Detections
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CVE-2017-7800
critical
Description
A use-after-free vulnerability can occur in WebSockets when the object holding the connection is freed before the disconnection operation is finished. This results in an 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=1374047
https://access.redhat.com/errata/RHSA-2017:2534
https://access.redhat.com/errata/RHSA-2017:2456