CVE-2021-29981 - log back

CVE-2021-29981 edited at 12 Aug 2021 07:02:42
Description
- A security issue has been found in Firefox before version 91. An issue present in lowering/register allocation could have led to obscure but deterministic register confusion failures in JITted code that would lead to a potentially exploitable crash.
+ A security issue has been found in Firefox and Thunderbird before version 91. An issue present in lowering/register allocation could have led to obscure but deterministic register confusion failures in JITted code that would lead to a potentially exploitable crash.
References
https://www.mozilla.org/security/advisories/mfsa2021-33/
+ https://www.mozilla.org/security/advisories/mfsa2021-36/
https://bugzilla.mozilla.org/show_bug.cgi?id=1707774
CVE-2021-29981 created at 10 Aug 2021 15:31:34
Severity
+ High
Remote
+ Remote
Type
+ Arbitrary code execution
Description
+ A security issue has been found in Firefox before version 91. An issue present in lowering/register allocation could have led to obscure but deterministic register confusion failures in JITted code that would lead to a potentially exploitable crash.
References
+ https://www.mozilla.org/security/advisories/mfsa2021-33/
+ https://bugzilla.mozilla.org/show_bug.cgi?id=1707774
Notes