Description
Incorrect alias information in IonMonkey JIT compiler for setting array elements could lead to a type confusion. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Firefox ESR < 68.4.1, Thunderbird < 68.4.1, and Firefox < 72.0.1.
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 < 68.4.1affected
Mozilla Thunderbird
unspecified to < 68.4.1affected
Mozilla Firefox
unspecified to < 72.0.1affected
References
- https://www.mozilla.org/security/advisories/mfsa2020-04/ ↗
- https://www.mozilla.org/security/advisories/mfsa2020-03/ ↗
- https://bugzilla.mozilla.org/show_bug.cgi?id=1607443 ↗
- https://security.gentoo.org/glsa/202003-02 ↗
- https://usn.ubuntu.com/4335-1/ ↗
- http://packetstormsecurity.com/files/162568/Firefox-72-IonMonkey-JIT-Type-Confusion.html ↗
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-17026 ↗