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CVE-2017-7801

CVE-2017-7801

3Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackepss 2.6%
exploitation probability
2.6%top 15% of all CVEs
observed exploitation
nono source reports it
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.
Affected products
Mozilla · FirefoxMozilla · Firefox ESRMozilla · Thunderbird
References
https://access.redhat.com/errata/RHSA-2017:2456https://access.redhat.com/errata/RHSA-2017:2534https://bugzilla.mozilla.org/show_bug.cgi?id=1371259https://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/100197http://www.securitytracker.com/id/1039124