A file with a long filename could have had its...

Vulnerability Description

A file with a long filename could have had its filename truncated to remove the valid extension, leaving a malicious extension in its place. This could potentially led to user confusion and the execution of malicious code.<br/>*Note*: This issue was originally included in the advisories for Thunderbird 102.6, but a patch (specific to Thunderbird) was omitted, resulting in it actually being fixed in Thunderbird 102.6.1. This vulnerability affects Firefox < 108, Thunderbird < 102.6.1, Thunderbird < 102.6, and Firefox ESR < 102.6.

References

• https://www.mozilla.org/security/advisories/mfsa2022-52/
• https://www.mozilla.org/security/advisories/mfsa2022-53/
• https://www.mozilla.org/security/advisories/mfsa2022-51/
• https://www.mozilla.org/security/advisories/mfsa2022-54/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1746139
• https://security.gentoo.org/glsa/202305-06
• https://security.gentoo.org/glsa/202305-13