Description
JIT optimizations involving the Javascript arguments object could confuse later optimizations. This risk was already mitigated by various precautions in the code, resulting in this bug rated at only moderate severity. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Mozilla Firefox ESR
unspecified to < 78.1affected
Mozilla Firefox
unspecified to < 79affected
Mozilla Thunderbird
unspecified to < 78.1affected
References
- https://www.mozilla.org/security/advisories/mfsa2020-30/ ↗
- https://www.mozilla.org/security/advisories/mfsa2020-32/ ↗
- https://www.mozilla.org/security/advisories/mfsa2020-33/ ↗
- https://bugzilla.mozilla.org/show_bug.cgi?id=1647293 ↗
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00025.html ↗
- https://usn.ubuntu.com/4443-1/ ↗