vdanen/rhvex-cve huggingface dataset:
CVE-2021-46986 (Low severity, published 2024-02-27)
CVSS score: 4.4 (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H)
CWE: CWE-416
Description: In the Linux kernel, the following vulnerability has been resolved:

usb: dwc3: gadget: Free gadget structure only after freeing endpoints

As part of commit e81a7018d93a ("usb: dwc3: allocate gadget structure
dynamically") the dwc3_gadget_release() was added which will free
the dwc->gadget structure upon the device's removal when
usb_del_gadget_udc() is called in dwc3_gadget_exit().

However, simply freeing the gadget results a dangling pointer
situation: the endpoints created in dwc3_gadget_init_endpoints()
have their dep->endpoint.ep_list members chained off the list_head
anchored at dwc->gadget->ep_list.  Thus when dwc->gadget is freed,
the first dwc3_ep in the list now has a dangling prev pointer and
likewise for the next pointer of the dwc3_ep at the tail of the list.
The dwc3_gadget_free_endpoints() that follows will result in a
use-after-free when it calls list_del().

This was caught by enabling KASAN and performing a driver unbind.
The recent commit 568262bf5492 ("usb: dwc3: core: Add shutdown
callback for dwc3") also exposes this as a panic during shutdown.

There are a few possibilities to fix this.  One could be to perform
a list_del() of the gadget->ep_list itself which removes it from
the rest of the dwc3_ep chain.

Another approach is what this patch does, by splitting up the
usb_del_gadget_udc() call into its separate "del" and "put"
components.  This allows dwc3_gadget_free_endpoints() to be
called before the gadget is finally freed with usb_put_gadget().
CVE-2021-3928 (Low severity, published 2021-10-28)
CVSS score: 7.3 (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:H)
CWE: CWE-119
Description: A flaw was found in vim. A possible stack-based buffer overflow could allow an attacker to input a specially crafted file leading to a crash or code execution. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Mitigation: Do not run untrusted vim scripts with -s {scriptin} as it is never safe to do so.
CVE-2021-46969 (Low severity, published 2024-02-26)
CVSS score: 4.4 (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H)
CWE: CWE-416
Description: In the Linux kernel, the following vulnerability has been resolved:

bus: mhi: core: Fix invalid error returning in mhi_queue

mhi_queue returns an error when the doorbell is not accessible in
the current state. This can happen when the device is in non M0
state, like M3, and needs to be waken-up prior ringing the DB. This
case is managed earlier by triggering an asynchronous M3 exit via
controller resume/suspend callbacks, that in turn will cause M0
transition and DB update.

So, since it's not an error but just delaying of doorbell update, there
is no reason to return an error.

This also fixes a use after free error for skb case, indeed a caller
queuing skb will try to free the skb if the queueing fails, but in
that case queueing has been done.
Statement: No Red Hat Products are affected by this vulnerability.
CVE-2021-47381 (Low severity, published 2024-05-20)
CVSS score: 4.4 (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N)
CWE: CWE-402
Description: In the Linux kernel, the following vulnerability has been resolved:

ASoC: SOF: Fix DSP oops stack dump output contents

Fix @buf arg given to hex_dump_to_buffer() and stack address used
in dump error output.
CVE-2021-20316 (Moderate severity, published 2022-01-09)
CVSS score: 5.9 (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:N)
CWE: CWE-362
Description: A flaw was found in the way Samba handled file/directory metadata. This flaw allows an authenticated attacker with permissions to read or modify share metadata, to perform this operation outside of the share.
Statement: As per upstream, "Prior to Samba 4.15.0, patches for this are not possible due to the prior design of the Samba VFS layer, which used pathname-based calls for most meta-data operations.
A two and a half year effort was undertaken to completely re-write the Samba VFS layer to stop the use of pathname-based calls in all cases involving reading and writing of metadata returned to the client. This work has finally been completed in Samba 4.15.0."
Mitigation: Do not enable SMB1 (please note SMB1 is disabled by default in Samba from version 4.11.0 and onwards). This prevents the creation of symbolic links via SMB1. If SMB1 must be enabled for backward compatibility then add the parameter:

unix extensions = no

to the [global] section of your smb.conf and restart smbd. This prevents SMB1 clients from creating symlinks on the exported file system.

However, if the same region of the file system is also exported using NFS, NFS clients can create symlinks that potentially can also hit the race condition. For non-patched versions of Samba, we recommend only exporting areas of the file system by either SMB2 or NFS, not both.
CVE-2021-3494 (Moderate severity, published 2021-04-09)
CVSS score: 6.1 (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N)
CWE: CWE-319
Description: A smart proxy that provides a restful API to various sub-systems of the Foreman is affected by the flaw which can cause a Man-in-the-Middle attack. The FreeIPA module of Foreman smart proxy does not check the SSL certificate, thus, an unauthenticated attacker can perform actions in FreeIPA if certain conditions are met. The highest threat from this flaw is to system confidentiality.
Mitigation: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVE-2021-36368 (None severity, published 2022-03-12)
CVSS score: 0 (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:N)
CWE: CWE-287
Description: An issue was discovered in OpenSSH before 8.9. If a client is using public-key authentication with agent forwarding but without -oLogLevel=verbose, and an attacker has silently modified the server to support the None authentication option, then the user cannot determine whether FIDO authentication is going to confirm that the user wishes to connect to that server, or that the user wishes to allow that server to connect to a different server on the user's behalf. NOTE: the vendor's position is "this is not an authentication bypass, since nothing is being bypassed.
Statement: Red Hat Product Security does not consider this to be a vulnerability.
CVE-2021-3640 (Moderate severity, published 2021-07-17)
CVSS score: 6.7 (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)
CWE: CWE-416
Description: A flaw use-after-free in function sco_sock_sendmsg() of the Linux kernel HCI subsystem was found in the way user calls ioct UFFDIO_REGISTER or other way triggers race condition of the call sco_conn_del() together with the call sco_sock_sendmsg() with the expected controllable faulting memory page. A privileged local user could use this flaw to crash the system or escalate their privileges on the system.
Statement: This issue is rated as having a Moderate impact because of the privileges (CAP_NET_ADMIN in initial namespace) required for exploiting the issue.
Mitigation: Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVE-2021-43546 (Low severity, published 2021-12-06)
CVSS score: 5.4 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L)
CWE: CWE-1021
Description: It was possible to recreate previous cursor spoofing attacks against users with a zoomed native cursor. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
CVE-2021-4185 (Moderate severity, published 2021-12-28)
CVSS score: 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
CWE: CWE-835
Description: An infinite-loop flaw was found in Wireshark RTMPT. This flaw allows an attacker with local network access to pass specially crafted capture files, causing an application to halt, crash, or go into an infinite loop.
CVE-2021-33644 (Moderate severity, published 2022-08-09)
CVSS score: 6.8 (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:H)
CWE: CWE-125
Description: A flaw was found in libtar. This flaw allows an attacker who submits a crafted tar file with size in header struct being 0 to trigger a calling of malloc(0) for a variable gnu_longname, causing an out-of-bounds read.
CVE-2021-40690 (Moderate severity, published 2021-09-16)
CVSS score: 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
CWE: CWE-200
Description: All versions of Apache Santuario - XML Security for Java prior to 2.2.3 and 2.1.7 are vulnerable to an issue where the "secureValidation" property is not passed correctly when creating a KeyInfo from a KeyInfoReference element. This allows an attacker to abuse an XPath Transform to extract any local .xml files in a RetrievalMethod element.
Statement: Since OpenShift Container Platform (OCP) 4.7, the logging-elasticsearch6-container is shipping as a part of the OpenShift Logging product (openshift-logging/elasticsearch6-rhel8). The elasticsearch component delivered in OCP 4.6 is marked as `Out of support scope` because these versions are already under Maintenance Phase of the support.
CVE-2021-32055 (Moderate severity, published 2021-05-04)
CVSS score: 9.1 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H)
CWE: CWE-119
Description: Mutt 1.11.0 through 2.0.x before 2.0.7 (and NeoMutt 2019-10-25 through 2021-05-04) has a $imap_qresync issue in which imap/util.c has an out-of-bounds read in situations where an IMAP sequence set ends with a comma. NOTE: the $imap_qresync setting for QRESYNC is not enabled by default.
Statement: This flaw doesn't affect the Mutt versions shipped with Red Hat Enterprise Linux 6, 7 and 8 as it depends on QRESYNC feature included on newer versions of Mutt than the ones distributed by Red Hat.
CVE-2021-43815 (Low severity, published 2021-12-09)
CVSS score: 4.3 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N)
CWE: CWE-22
Description: Grafana is an open-source platform for monitoring and observability. Grafana prior to versions 8.3.2 and 7.5.12 has a directory traversal for arbitrary .csv files. It only affects instances that have the developer testing tool called TestData DB data source enabled and configured. The vulnerability is limited in scope, and only allows access to files with the extension .csv to authenticated users only. Grafana Cloud instances have not been affected by the vulnerability. Versions 8.3.2 and 7.5.12 contain a patch for this issue. There is a workaround available for users who cannot upgrade. Running a reverse proxy in front of Grafana that normalizes the PATH of the request will mitigate the vulnerability. The proxy will have to also be able to handle url encoded paths.
CVE-2021-23214 (Moderate severity, published 2021-11-10)
CVSS score: 8.1 (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)
CWE: CWE-89
Description: It was found that a PostgreSQL server could accept plain text data during the establishment of an SSL connection. When a user is requesting a certificate based authentication, an active Person in the Middle could use this flaw in order to inject arbitrary SQL commands.
Statement: In Red Hat Virtualization the manager appliance uses a vulnerable version of postgresql. Once a fix has been shipped for RHEL 8 the appliance can consume the fix via a regular yum update.
CVE-2021-47505 (Moderate severity, published 2024-05-23)
CVSS score: 6.6 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H)
CWE: CWE-416
Description: In the Linux kernel, the following vulnerability has been resolved:

aio: fix use-after-free due to missing POLLFREE handling

signalfd_poll() and binder_poll() are special in that they use a
waitqueue whose lifetime is the current task, rather than the struct
file as is normally the case.  This is okay for blocking polls, since a
blocking poll occurs within one task; however, non-blocking polls
require another solution.  This solution is for the queue to be cleared
before it is freed, by sending a POLLFREE notification to all waiters.

Unfortunately, only eventpoll handles POLLFREE.  A second type of
non-blocking poll, aio poll, was added in kernel v4.18, and it doesn't
handle POLLFREE.  This allows a use-after-free to occur if a signalfd or
binder fd is polled with aio poll, and the waitqueue gets freed.

Fix this by making aio poll handle POLLFREE.

A patch by Ramji Jiyani <ramjiyani@google.com>
(https://lore.kernel.org/r/20211027011834.2497484-1-ramjiyani@google.com)
tried to do this by making aio_poll_wake() always complete the request
inline if POLLFREE is seen.  However, that solution had two bugs.
First, it introduced a deadlock, as it unconditionally locked the aio
context while holding the waitqueue lock, which inverts the normal
locking order.  Second, it didn't consider that POLLFREE notifications
are missed while the request has been temporarily de-queued.

The second problem was solved by my previous patch.  This patch then
properly fixes the use-after-free by handling POLLFREE in a
deadlock-free way.  It does this by taking advantage of the fact that
freeing of the waitqueue is RCU-delayed, similar to what eventpoll does.
Statement: Following issue marked as moderate with "not affected" for Red Hat Enterprise Linux, as it is not vulnerable to this CVE. This is because the CVE does not impact the versions or configurations of the Linux kernel used in Red Hat's distributions. Additionally, some RHEL versions may be marked as "will not fix" due to the minimal impact of the issue, and no fix will be provided.
Mitigation: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVE-2021-47010 (Low severity, published 2024-02-27)
CVSS score: 4.4 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L)
CWE: CWE-402
Description: In the Linux kernel, the following vulnerability has been resolved:

net: Only allow init netns to set default tcp cong to a restricted algo

tcp_set_default_congestion_control() is netns-safe in that it writes
to &net->ipv4.tcp_congestion_control, but it also sets
ca->flags |= TCP_CONG_NON_RESTRICTED which is not namespaced.
This has the unintended side-effect of changing the global
net.ipv4.tcp_allowed_congestion_control sysctl, despite the fact that it
is read-only: 97684f0970f6 ("net: Make tcp_allowed_congestion_control
readonly in non-init netns")

Resolve this netns "leak" by only allowing the init netns to set the
default algorithm to one that is restricted. This restriction could be
removed if tcp_allowed_congestion_control were namespace-ified in the
future.

This bug was uncovered with
https://github.com/JonathonReinhart/linux-netns-sysctl-verify
CVE-2021-47440 (Low severity, published 2024-05-21)
CVSS score: 4.4 (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H)
CWE: CWE-476
Description: In the Linux kernel, the following vulnerability has been resolved:

net: encx24j600: check error in devm_regmap_init_encx24j600

devm_regmap_init may return error which caused by like out of memory,
this will results in null pointer dereference later when reading
or writing register:

general protection fault in encx24j600_spi_probe
KASAN: null-ptr-deref in range [0x0000000000000090-0x0000000000000097]
CPU: 0 PID: 286 Comm: spi-encx24j600- Not tainted 5.15.0-rc2-00142-g9978db750e31-dirty #11 9c53a778c1306b1b02359f3c2bbedc0222cba652
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014
RIP: 0010:regcache_cache_bypass drivers/base/regmap/regcache.c:540
Code: 54 41 89 f4 55 53 48 89 fb 48 83 ec 08 e8 26 94 a8 fe 48 8d bb a0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 4a 03 00 00 4c 8d ab b0 00 00 00 48 8b ab a0 00
RSP: 0018:ffffc900010476b8 EFLAGS: 00010207
RAX: dffffc0000000000 RBX: fffffffffffffff4 RCX: 0000000000000000
RDX: 0000000000000012 RSI: ffff888002de0000 RDI: 0000000000000094
RBP: ffff888013c9a000 R08: 0000000000000000 R09: fffffbfff3f9cc6a
R10: ffffc900010476e8 R11: fffffbfff3f9cc69 R12: 0000000000000001
R13: 000000000000000a R14: ffff888013c9af54 R15: ffff888013c9ad08
FS:  00007ffa984ab580(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055a6384136c8 CR3: 000000003bbe6003 CR4: 0000000000770ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
PKRU: 55555554
Call Trace:
 encx24j600_spi_probe drivers/net/ethernet/microchip/encx24j600.c:459
 spi_probe drivers/spi/spi.c:397
 really_probe drivers/base/dd.c:517
 __driver_probe_device drivers/base/dd.c:751
 driver_probe_device drivers/base/dd.c:782
 __device_attach_driver drivers/base/dd.c:899
 bus_for_each_drv drivers/base/bus.c:427
 __device_attach drivers/base/dd.c:971
 bus_probe_device drivers/base/bus.c:487
 device_add drivers/base/core.c:3364
 __spi_add_device drivers/spi/spi.c:599
 spi_add_device drivers/spi/spi.c:641
 spi_new_device drivers/spi/spi.c:717
 new_device_store+0x18c/0x1f1 [spi_stub 4e02719357f1ff33f5a43d00630982840568e85e]
 dev_attr_store drivers/base/core.c:2074
 sysfs_kf_write fs/sysfs/file.c:139
 kernfs_fop_write_iter fs/kernfs/file.c:300
 new_sync_write fs/read_write.c:508 (discriminator 4)
 vfs_write fs/read_write.c:594
 ksys_write fs/read_write.c:648
 do_syscall_64 arch/x86/entry/common.c:50
 entry_SYSCALL_64_after_hwframe arch/x86/entry/entry_64.S:113

Add error check in devm_regmap_init_encx24j600 to avoid this situation.
CVE-2021-21696 (Important severity, published 2021-11-04)
CVSS score: 9 (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H)
CWE: CWE-22
Description: An incorrect permissions validation vulnerability was found in Jenkins. An agent process read/write access to the libs/ directory inside build directories when using the FilePath APIs is not limited. This allows attackers in control of agent processes to replace the code of a trusted library with a modified variant, resulting in unsandboxed code execution in the Jenkins controller process.
Mitigation: Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.
CVE-2021-30984 (Moderate severity, published 2022-01-20)
CVSS score: 7.5 (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H)
CWE: CWE-362
Description: A flaw was found in webkitgtk. The vulnerability occurs due to improper state handling, which can lead to a race condition. An attacker with network access could pass specially crafted web content files causing an application to halt, crash, or may lead to arbitrary code execution.
CVE-2021-47293 (Moderate severity, published 2024-05-20)
CVSS score: 4.2 (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L)
CWE: CWE-20
Description: In the Linux kernel, the following vulnerability has been resolved:

net/sched: act_skbmod: Skip non-Ethernet packets

Currently tcf_skbmod_act() assumes that packets use Ethernet as their L2
protocol, which is not always the case.  As an example, for CAN devices:

	$ ip link add dev vcan0 type vcan
	$ ip link set up vcan0
	$ tc qdisc add dev vcan0 root handle 1: htb
	$ tc filter add dev vcan0 parent 1: protocol ip prio 10 \
		matchall action skbmod swap mac

Doing the above silently corrupts all the packets.  Do not perform skbmod
actions for non-Ethernet packets.
Statement: This vulnerability is classified as moderate severity due to its potential impact on packet integrity
Mitigation: Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.
CVE-2021-39926 (Moderate severity, published 2021-11-16)
CVSS score: 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
CWE: CWE-120
Description: A flaw was found in Wireshark. A process failure on crafted or malformed HCI_ISO input can cause a denial of service via packet injection or a crafted capture file.
CVE-2021-47339 (Low severity, published 2024-05-20)
CVSS score: 3.3 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N)
CWE: CWE-401
Description: In the Linux kernel, the following vulnerability has been resolved:

media: v4l2-core: explicitly clear ioctl input data

As seen from a recent syzbot bug report, mistakes in the compat ioctl
implementation can lead to uninitialized kernel stack data getting used
as input for driver ioctl handlers.

The reported bug is now fixed, but it's possible that other related
bugs are still present or get added in the future. As the drivers need
to check user input already, the possible impact is fairly low, but it
might still cause an information leak.

To be on the safe side, always clear the entire ioctl buffer before
calling the conversion handler functions that are meant to initialize
them.
CVE-2021-3586 (Important severity, published 2021-06-09)
CVSS score: 9.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
CWE: CWE-305
Description: A flaw was found in servicemesh-operator. The NetworkPolicy resources installed for Maistra do not properly specify which ports may be accessed, allowing access to all ports on these resources from any pod. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Mitigation: Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update as soon as possible.
CVE-2021-33582 (Important severity, published 2021-08-31)
CVSS score: 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
CWE: CWE-400
Description: A flaw was found in cyrus-imapd. A bad string hashing algorithm used in internal hash tables allows user inputs to be stored in predictable buckets.  A user may cause a CPU denial of service by maliciously directing many inputs to a single bucket. The highest threat from this vulnerability is to system availability.
CVE-2021-3139 (Important severity, published 2021-01-12)
CVSS score: 8.1 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N)
CWE: CWE-20
Description: A flaw was found in the Linux kernel’s implementation of the Linux SCSI target host, where an authenticated attacker could write to any block on the exported SCSI device backing store. This flaw allows an authenticated attacker to send LIO block requests to the Linux system to overwrite data on the backing store. The highest threat from this vulnerability is to integrity. In addition, this flaw affects the tcmu-runner package, where the affected SCSI command is called.
Statement: This issue did not affect the version of tcmu-runner as shipped with Red Hat Gluster Storage 3, as it did not include support for Extended Copy (XCOPY). 

Red Hat Ceph Storage 3 and 4 are affected, as they ship an affected version of tcmu-runner with XCOPY.

Red Hat OpenShift Container Storage (RHOCS) 4 shipped tcmu-runner package for the usage of RHOCS 4.2 only, that has reached End Of Life. The shipped version of tcmu-runner package is no longer used and supported with the release of RHOCS 4.3.
Mitigation: As this feature can be guarded behind an authentication and firewall rules, limit access with firewall rules and enforcing strong password hygiene.  This may not be a suitable option if many uncontrolled hosts mount the networked iSCSI device.
CVE-2021-3569 (Moderate severity, published 2020-05-22)
CVSS score: 6.2 (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
CWE: CWE-120
Description: A stack corruption bug was found in libtpms while decrypting data using RSA. This flaw could result in a SIGBUS (bad memory access) and termination of swtpm. The highest threat from this vulnerability is to system availability.
CVE-2021-23994 (Important severity, published 2021-04-18)
CVSS score: 8.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
CWE: CWE-787
Description: A WebGL framebuffer was not initialized early enough, resulting in memory corruption and an out of bound write. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.