CVE-2017-7753
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 3.1%
exploitation probability
3.1%top 13% of all CVEs
observed exploitation
nono source reports it
An out-of-bounds read occurs when applying style rules to pseudo-elements, such as ::first-line, using cached style data. 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=1353312https://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/100315http://www.securitytracker.com/id/1039124