In non-standard configurations, a JPEG image created by JavaScript could have caused an internal variable to overflow, resulting in an out of bounds write, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox < 78. Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12422 Reference (s):
- GENTOO:GLSA-202007-10
- URL: https://security.gentoo.org/glsa/202007-10
- https://bugzilla.mozilla.org/show_bug.cgi?id=1450353
- URL: https://bugzilla.mozilla.org/show_bug.cgi?id=1450353
- https://www.mozilla.org/security/advisories/mfsa2020-24/