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CVE-2017-7828

CVE-2017-7828

EPSS 7.4%
A use-after-free vulnerability can occur when flushing and resizing layout because the "PressShell" object has been freed while still in use. This results in a potentially exploitable crash during these operations. This vulnerability affects Firefox < 57, Firefox ESR < 52.5, and Thunderbird < 52.5.
Affected products
Mozilla · FirefoxMozilla · Firefox ESRMozilla · Thunderbird

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References
https://access.redhat.com/errata/RHSA-2017:3247https://access.redhat.com/errata/RHSA-2017:3372https://bugzilla.mozilla.org/show_bug.cgi?id=1406750https://bugzilla.mozilla.org/show_bug.cgi?id=1412252https://lists.debian.org/debian-lts-announce/2017/11/msg00018.htmlhttps://lists.debian.org/debian-lts-announce/2017/12/msg00001.htmlhttps://www.debian.org/security/2017/dsa-4035https://www.debian.org/security/2017/dsa-4061https://www.debian.org/security/2017/dsa-4075https://www.mozilla.org/security/advisories/mfsa2017-24/https://www.mozilla.org/security/advisories/mfsa2017-25/https://www.mozilla.org/security/advisories/mfsa2017-26/