firefox/thunderbird is vulnerable to denial of service. A type confusion vulnerability can occur when manipulating JavaScript objects due to issues in Array.pop
. This can allow for an exploitable crash. We are aware of targeted attacks in the wild abusing this flaw.
access.redhat.com/errata/RHSA-2019:1604
access.redhat.com/security/updates/classification/#critical
bugzilla.mozilla.org/show_bug.cgi?id=1544386
security.gentoo.org/glsa/201908-12
www.mozilla.org/en-US/security/advisories/mfsa2019-18/
www.mozilla.org/en-US/security/advisories/mfsa2019-19/
www.mozilla.org/security/advisories/mfsa2019-18/
www.mozilla.org/security/advisories/mfsa2019-20/