Known Exploited Vulnerability: CVE-2016-9079

Mozilla Firefox, Firefox ESR, and Thunderbird Use-After-Free Vulnerability

Catalog version: 2026.06.09 Date added: 2023-06-22 Due date: 2023-07-13 CISA catalog

Vendor: Mozilla

Product: Firefox, Firefox ESR, and Thunderbird

Required action: Apply updates per vendor instructions.

Known ransomware campaign use: Unknown

Notes: https://www.mozilla.org/en-US/security/advisories/mfsa2016-92/#CVE-2016-9079 https://nvd.nist.gov/vuln/detail/CVE-2016-9079

CWEs

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