CVE-2020-26971 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	High
Remote	Yes
Type	Arbitrary code execution
Description	A security issue was found in Firefox before 84.0 and Thunderbird before 78.6 where certain blit values provided by the user were not properly constrained, leading to a heap buffer overflow on some video drivers.

Group	Package	Affected	Fixed	Severity	Status	Ticket
AVG-1362	firefox	83.0-2	84.0-1	High	Fixed
AVG-1315	thunderbird	78.5.0-1	78.6.0-1	High	Fixed	FS#68853

Date	Advisory	Group	Package	Severity	Type
16 Dec 2020	ASA-202012-25	AVG-1362	firefox	High	multiple issues
16 Dec 2020	ASA-202012-23	AVG-1315	thunderbird	High	multiple issues

References
https://www.mozilla.org/en-US/security/advisories/mfsa2020-54/#CVE-2020-26971 https://www.mozilla.org/en-US/security/advisories/mfsa2020-56/#CVE-2020-26971 https://bugzilla.mozilla.org/show_bug.cgi?id=1663466

References

https://www.mozilla.org/en-US/security/advisories/mfsa2020-54/#CVE-2020-26971
https://www.mozilla.org/en-US/security/advisories/mfsa2020-56/#CVE-2020-26971
https://bugzilla.mozilla.org/show_bug.cgi?id=1663466