CVE-2017-7784 log

Source	CVE Red Hat MITRE NVD Debian Ubuntu SUSE Alpine Mageia CVE Details CIRCL Bugs Arch Linux Red Hat Gentoo SUSE GitHub Lists oss-security full-disclosure bugtraq Misc GitHub code web search
Severity	Critical
Remote	Yes
Type	Arbitrary code execution
Description	A use-after-free issue has been found in firefox < 55.0 and thunderbird < 52.3, when reading an image observer during frame reconstruction after the observer has been freed. This results in a potentially exploitable crash.

Group	Package	Affected	Fixed	Severity	Status	Ticket
AVG-385	thunderbird	52.2.1-1	52.3.0-1	Critical	Fixed
AVG-375	firefox	54.0.1-1	55.0-1	Critical	Fixed

Date	Advisory	Group	Package	Severity	Type
10 Aug 2017	ASA-201708-3	AVG-375	firefox	Critical	multiple issues
23 Aug 2017	ASA-201708-18	AVG-385	thunderbird	Critical	multiple issues

References
https://www.mozilla.org/en-US/security/advisories/mfsa2017-18/#CVE-2017-7784 https://bugzilla.mozilla.org/show_bug.cgi?id=1376087