CVE-2020-12387 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 race condition has been found in Firefox before 76.0 and Thunderbird before 68.8.0, when running shutdown code for Web Worker, leading to a use-after-free vulnerability. This results in a potentially exploitable crash.

Group	Package	Affected	Fixed	Severity	Status	Ticket
AVG-1155	thunderbird	68.7.0-2	68.8.0-1	Critical	Fixed
AVG-1148	firefox	75.0-1	76.0-1	Critical	Fixed

Date	Advisory	Group	Package	Severity	Type
09 May 2020	ASA-202005-7	AVG-1155	thunderbird	Critical	multiple issues
06 May 2020	ASA-202005-3	AVG-1148	firefox	Critical	multiple issues

References
https://www.mozilla.org/en-US/security/advisories/mfsa2020-16/#CVE-2020-12387 https://www.mozilla.org/en-US/security/advisories/mfsa2020-18/#CVE-2020-12387 https://bugzilla.mozilla.org/show_bug.cgi?id=1545345

References

https://www.mozilla.org/en-US/security/advisories/mfsa2020-16/#CVE-2020-12387
https://www.mozilla.org/en-US/security/advisories/mfsa2020-18/#CVE-2020-12387
https://bugzilla.mozilla.org/show_bug.cgi?id=1545345