Detections
Analytics
CVE-2017-7801
critical
Description
A use-after-free vulnerability can occur while re-computing layout for a "marquee" element during window resizing where the updated style object is freed while still in use. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.
References
https://www.mozilla.org/security/advisories/mfsa2017-20/
https://www.mozilla.org/security/advisories/mfsa2017-19/
https://www.mozilla.org/security/advisories/mfsa2017-18/
https://www.debian.org/security/2017/dsa-3968
https://www.debian.org/security/2017/dsa-3928
https://security.gentoo.org/glsa/201803-14
https://bugzilla.mozilla.org/show_bug.cgi?id=1371259
https://access.redhat.com/errata/RHSA-2017:2534
https://access.redhat.com/errata/RHSA-2017:2456