PRIOn knowledge basePRION:CVE-2020-12421Code injection
When performing add-on updates, certificate chains terminating in non-built-in-roots were rejected (even if they were legitimately added by an administrator.) This could have caused add-ons to become out-of-date silently without notification to the user. This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.
References
lists.opensuse.org/opensuse-security-announce/2020-07/msg00023.html
lists.opensuse.org/opensuse-security-announce/2020-07/msg00026.html
lists.opensuse.org/opensuse-security-announce/2020-07/msg00027.html
lists.opensuse.org/opensuse-security-announce/2020-07/msg00049.html
bugzilla.mozilla.org/show_bug.cgi?id=1308251
security.gentoo.org/glsa/202007-09
security.gentoo.org/glsa/202007-10
usn.ubuntu.com/4421-1/
www.mozilla.org/security/advisories/mfsa2020-24/
www.mozilla.org/security/advisories/mfsa2020-25/
www.mozilla.org/security/advisories/mfsa2020-26/
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