CVE-2023-5173 (published 2023-09-27T14:13:51.511Z)
In a non-standard configuration of Firefox, an integer overflow could have occurred based on network traffic (possibly under influence of a local unprivileged webpage), leading to an out-of-bounds write to privileged process memory. 
*This bug only affects Firefox if a non-standard preference allowing non-HTTPS Alternate Services (`network.http.altsvc.oe`) is enabled.* This vulnerability affects Firefox < 118.
Affected products: Vendor: Mozilla
Product: Firefox
Versions: unspecified