CVE-2021-29946 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	Low
Remote	Yes
Type	Access restriction bypass
Description	A security issue has been found in Firefox before version 88 and Thunderbird before version 78.10. Ports that were written as an integer overflow above the bounds of a 16-bit integer could have bypassed port blocking restrictions when used in the Alt-Svc header.

Group	Package	Affected	Fixed	Severity	Status	Ticket
AVG-1836	thunderbird	78.9.1-3	78.10.0-1	High	Fixed
AVG-1834	firefox	87.0-2	88.0-1	High	Fixed

Date	Advisory	Group	Package	Severity	Type
29 Apr 2021	ASA-202104-4	AVG-1836	thunderbird	High	multiple issues
29 Apr 2021	ASA-202104-3	AVG-1834	firefox	High	multiple issues

References
https://www.mozilla.org/en-US/security/advisories/mfsa2021-16/#CVE-2021-29946 https://www.mozilla.org/en-US/security/advisories/mfsa2021-14/#CVE-2021-29946 https://bugzilla.mozilla.org/show_bug.cgi?id=1698503

References

https://www.mozilla.org/en-US/security/advisories/mfsa2021-16/#CVE-2021-29946
https://www.mozilla.org/en-US/security/advisories/mfsa2021-14/#CVE-2021-29946
https://bugzilla.mozilla.org/show_bug.cgi?id=1698503