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Mozilla: CISA KEV History

Every Mozilla vulnerability in the CISA Known Exploited Vulnerabilities catalog: confirmed in-the-wild exploitation, addition timeline, and ransomware linkage. Rebuilt automatically on every site deploy.

Snapshot: 2026-09-08 · Source: CISA KEV Catalog · Full KEV dashboard

KEV entries
13
Added, last 12 months
1
Ransomware-linked
1
Latest addition
2025-10-06

Mozilla KEV additions per month, last 24 months

2024-10: 1 added124/102024-11: 0 added2024-12: 0 added2025-01: 0 added25/012025-02: 0 added2025-03: 0 added2025-04: 0 added25/042025-05: 0 added2025-06: 0 added2025-07: 0 added25/072025-08: 0 added2025-09: 0 added2025-10: 1 added125/102025-11: 0 added2025-12: 0 added2026-01: 0 added26/012026-02: 0 added2026-03: 0 added2026-04: 0 added26/042026-05: 0 added2026-06: 0 added2026-07: 0 added26/072026-08: 0 added2026-09: 0 added

Most-listed products: Firefox and Thunderbird, Firefox, Multiple Products, Firefox, Firefox ESR, and Thunderbird.

Latest 13 of 13 Mozilla KEV entries

CVEVulnerabilityAddedRansomware
CVE-2010-3765Mozilla Multiple Products Remote Code Execution Vulnerability2025-10-06No
CVE-2024-9680Mozilla Firefox Use-After-Free Vulnerability2024-10-15Yes
CVE-2016-9079Mozilla Firefox, Firefox ESR, and Thunderbird Use-After-Free Vulnerability2023-06-22No
CVE-2015-4495Mozilla Firefox Security Feature Bypass Vulnerability2022-05-25No
CVE-2019-11707Mozilla Firefox and Thunderbird Type Confusion Vulnerability2022-05-23No
CVE-2019-11708Mozilla Firefox and Thunderbird Sandbox Escape Vulnerability2022-05-23No
CVE-2013-1690Mozilla Firefox and Thunderbird Denial-of-Service Vulnerability2022-03-28No
CVE-2022-26486Mozilla Firefox Use-After-Free Vulnerability2022-03-07No
CVE-2022-26485Mozilla Firefox Use-After-Free Vulnerability2022-03-07No
CVE-2013-1675Mozilla Firefox Information Disclosure Vulnerability2022-03-03No
CVE-2020-6819Mozilla Firefox And Thunderbird Use-After-Free Vulnerability2021-11-03No
CVE-2020-6820Mozilla Firefox And Thunderbird Use-After-Free Vulnerability2021-11-03No
CVE-2019-17026Mozilla Firefox And Thunderbird Type Confusion Vulnerability2021-11-03No

CVE links go to our explainer when one exists, otherwise to the NVD record.

Data: official CISA KEV catalog, fetched at build time. Figures may be reused with attribution to East Bay Cyber and CISA. See also the KEV Velocity Dashboard and all tracked vendors.