CVE-2023-29542 Information

Description

A newline in a filename could have been used to bypass the file extension security mechanisms that replace malicious file extensions such as .lnk with .download. This could have led to accidental execution of malicious code.

This bug only affects Firefox and Thunderbird on Windows. Other versions of Firefox and Thunderbird are unaffected. This vulnerability affects Firefox < 112 Firefox ESR < 102.10 and Thunderbird < 102.10.

Reference

https://www.mozilla.org/security/advisories/mfsa2023-14/ https://www.mozilla.org/security/advisories/mfsa2023-13/ https://bugzilla.mozilla.org/show_bug.cgi?id=1815062 https://bugzilla.mozilla.org/show_bug.cgi?id=1810793 https://www.mozilla.org/security/advisories/mfsa2023-15/