Mozilla Firefox, Firefox ESR, and Thunderbird
YES - ON THE CISA KEV LIST
CVE-2016-9079
Mozilla Firefox, Firefox ESR, and Thunderbird Use-After-Free Vulnerability
overdue since 2023-07-13
Mozilla: 13 entries (0.7% of all KEV entries are from this vendor); 0 added in 2026.
BOD 26-04 note: this is the date printed in the CISA catalog. A federal agency's actual deadline is set by its SSVC tier - Act (3 days), Attend (14 days), Track (60 days), or the next scheduled upgrade - counted from the KEV listing date or the date the vulnerability is identified in its environment, whichever comes first. Use the tier helper on each CVE page for your own window.
Your BOD 26-04 window (SSVC tier helper)
Your remediation window ends:
Description
Mozilla Firefox, Firefox ESR, and Thunderbird contain a use-after-free vulnerability in SVG Animation, targeting Firefox and Tor browser users on Windows.
Required action (CISA)
Apply updates per vendor instructions.
Notes
https://www.mozilla.org/en-US/security/advisories/mfsa2016-92/#CVE-2016-9079; https://nvd.nist.gov/vuln/detail/CVE-2016-9079
References
Other KEV entries for this vendor: Mozilla
- CVE-2010-3765 - Multiple Products (2025-10-06)
- CVE-2024-9680 - Firefox (2024-10-15)
- CVE-2015-4495 - Firefox (2022-05-25)
- CVE-2019-11707 - Firefox and Thunderbird (2022-05-23)
- CVE-2019-11708 - Firefox and Thunderbird (2022-05-23)
- CVE-2013-1690 - Firefox and Thunderbird (2022-03-28)
- CVE-2022-26486 - Firefox (2022-03-07)
- CVE-2022-26485 - Firefox (2022-03-07)
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