CVE-2024-11706: Mozilla Firefox

Medium severity, CVSS 6.5. EPSS: 0.5% chance of exploitation in the next 30 days.

A null pointer dereference may have inadvertently occurred in `pk12util`, and specifically in the `SEC_ASN1DecodeItem_Util` function, when handling malformed or improperly formatted input files. This vulnerability affects Firefox < 133 and Thunderbird < 133.

Affected products

• Mozilla Firefox: before 133.0 (fixed in 133.0)
• Mozilla Thunderbird: before 133.0 (fixed in 133.0)

Published 2024-11-26. Last modified 2026-06-17.