CVE-2017-7800
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 3.0%
exploitation probability
3.0%top 13% of all CVEs
observed exploitation
nono source reports it
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://access.redhat.com/errata/RHSA-2017:2456https://access.redhat.com/errata/RHSA-2017:2534https://bugzilla.mozilla.org/show_bug.cgi?id=1374047https://security.gentoo.org/glsa/201803-14https://www.debian.org/security/2017/dsa-3928https://www.debian.org/security/2017/dsa-3968https://www.mozilla.org/security/advisories/mfsa2017-18/https://www.mozilla.org/security/advisories/mfsa2017-19/https://www.mozilla.org/security/advisories/mfsa2017-20/http://www.securityfocus.com/bid/100196http://www.securitytracker.com/id/1039124