CVE-2021-23953 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	Information disclosure
Description	A security issue was found in Firefox before version 85.0 and Thunderbird before version 78.7. If a user clicked into a specifically crafted PDF, the PDF reader could be confused into leaking cross-origin information, when said information is served as chunked data.

Group	Package	Affected	Fixed	Severity	Status	Ticket
AVG-1496	thunderbird	78.6.1-1	78.7.0-1	High	Fixed
AVG-1492	firefox	84.0.2-1	85.0-1	High	Fixed

Date	Advisory	Group	Package	Severity	Type
06 Feb 2021	ASA-202102-2	AVG-1496	thunderbird	High	multiple issues
01 Feb 2021	ASA-202102-1	AVG-1492	firefox	High	multiple issues

References
https://www.mozilla.org/en-US/security/advisories/mfsa2021-03/#CVE-2021-23953 https://www.mozilla.org/en-US/security/advisories/mfsa2021-05/#CVE-2021-23953 https://bugzilla.mozilla.org/show_bug.cgi?id=1683940

References

https://www.mozilla.org/en-US/security/advisories/mfsa2021-03/#CVE-2021-23953
https://www.mozilla.org/en-US/security/advisories/mfsa2021-05/#CVE-2021-23953
https://bugzilla.mozilla.org/show_bug.cgi?id=1683940