CVE-2020-26973 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	Content spoofing
Description	A security issue was found in Firefox before 84.0 and Thunderbird before 78.6 where certain input to the CSS Sanitizer confused it, resulting in incorrect components being removed. This could have been used as a sanitizer bypass.

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-2020-26973 https://www.mozilla.org/en-US/security/advisories/mfsa2020-56/#CVE-2020-26973 https://bugzilla.mozilla.org/show_bug.cgi?id=1680084

References

https://www.mozilla.org/en-US/security/advisories/mfsa2020-54/#CVE-2020-26973
https://www.mozilla.org/en-US/security/advisories/mfsa2020-56/#CVE-2020-26973
https://bugzilla.mozilla.org/show_bug.cgi?id=1680084