CVE-2021-29945
Assigner: mozilla
Published: 2021-06-24T13:19:50
State: PUBLISHED
affected: product: Firefox ESR
vendor: Mozilla
versions: lessThan: 78.10
status: affected
version: unspecified
versionType: custom
product: Thunderbird
vendor: Mozilla
versions: lessThan: 78.10
status: affected
version: unspecified
versionType: custom
product: Firefox
vendor: Mozilla
versions: lessThan: 88
status: affected
version: unspecified
versionType: custom
descriptions: value: The WebAssembly JIT could miscalculate the size of a return type, which could lead to a null read and result in a crash. *Note: This issue only affected x86-32 platforms. Other platforms are unaffected.*. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.
problemTypes: descriptions: description: Incorrect size computation in WebAssembly JIT could lead to null-reads
type: text