A use-after-free issue has been found in firefox < 55.0 and thunderbird < 52.3, 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.
A use-after-free issue has been found in firefox < 55.0 and thunderbird < 52.3, 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.
https://www.mozilla.org/en-US/security/advisories/mfsa2017-18/#CVE-2017-7801 https://bugzilla.mozilla.org/show_bug.cgi?id=1371259