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Mozilla — security advisories

24 advisories13 exploitedlatest 2026-07-10⚡ RSS feed

Tracked Mozilla products:

Firefox, SeaMonkey, Thunderbird Firefox Firefox, Firefox ESR, Thunderbird Firefox and Thunderbird Mozilla Products Firefox, Thunderbird Firefox, Firefox ESR and Thunderbird Firefox for iOS Thunderbird

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[UPDATE] [high] Mozilla Firefox, Firefox ESR and Thunderbird: Multiple vulnerabilities

highCVE-2026-12289 CVE-2026-12290 CVE-2026-12291 CVE-2026-12292cert-bund2026-07-10

[UPDATE] [high] Mozilla Firefox: Multiple vulnerabilities

highCVE-2026-8388 CVE-2026-8389 CVE-2026-8390 CVE-2026-8391cert-bund2026-07-09

[UPDATE] [high] Mozilla Firefox and Thunderbird: Multiple vulnerabilities

highCVE-2026-8388 CVE-2026-8391 CVE-2026-8401 CVE-2026-8706cert-bund2026-07-09

[NEW] [medium] Mozilla Firefox for iOS: Vulnerability allows display of false information

mediumCVE-2026-13356cert-bund2026-07-07

Vulnerability in Mozilla Firefox for iOS (July 7, 2026)

unknownCVE-2026-13356cert-fr-avis2026-07-07

[UPDATE] [medium] Mozilla Thunderbird: Multiple vulnerabilities

mediumCVE-2026-57962 CVE-2026-57963cert-bund2026-07-03

[UPDATE] [high] Mozilla Firefox: Vulnerability allows code execution

highCVE-2026-14241cert-bund2026-07-02

Mozilla Products Multiple Vulnerabilities

unknownCVE-2026-14241 CVE-2026-57962 CVE-2026-57963hkcert2026-07-02

Multiple vulnerabilities in Mozilla Thunderbird (July 2, 2026)

unknownCVE-2026-57963 CVE-2026-57962cert-fr-avis2026-07-02

Vulnerability in Mozilla Firefox (July 1, 2026)

unknownCVE-2026-14241cert-fr-avis2026-07-01

Mozilla security advisory (AV26-644)

unknowncccs2026-06-30

CVE-2010-3765: Mozilla Multiple Products Remote Code Execution Vulnerability

criticalexploitedCVE-2010-3765cisa-kev2025-10-06

CVE-2024-9680: Mozilla Firefox Use-After-Free Vulnerability

criticalexploitedCVE-2024-9680cisa-kev2024-10-15

CVE-2016-9079: Mozilla Firefox, Firefox ESR, and Thunderbird Use-After-Free Vulnerability

criticalexploitedCVE-2016-9079cisa-kev2023-06-22

CVE-2015-4495: Mozilla Firefox Security Feature Bypass Vulnerability

criticalexploitedCVE-2015-4495cisa-kev2022-05-25

CVE-2019-11708: Mozilla Firefox and Thunderbird Sandbox Escape Vulnerability

criticalexploitedCVE-2019-11708cisa-kev2022-05-23

CVE-2019-11707: Mozilla Firefox and Thunderbird Type Confusion Vulnerability

criticalexploitedCVE-2019-11707cisa-kev2022-05-23

CVE-2013-1690: Mozilla Firefox and Thunderbird Denial-of-Service Vulnerability

criticalexploitedCVE-2013-1690cisa-kev2022-03-28

CVE-2022-26486: Mozilla Firefox Use-After-Free Vulnerability

criticalexploitedCVE-2022-26486cisa-kev2022-03-07

CVE-2022-26485: Mozilla Firefox Use-After-Free Vulnerability

criticalexploitedCVE-2022-26485cisa-kev2022-03-07

CVE-2013-1675: Mozilla Firefox Information Disclosure Vulnerability

criticalexploitedCVE-2013-1675cisa-kev2022-03-03

CVE-2020-6820: Mozilla Firefox And Thunderbird Use-After-Free Vulnerability

criticalexploitedCVE-2020-6820cisa-kev2021-11-03

CVE-2020-6819: Mozilla Firefox And Thunderbird Use-After-Free Vulnerability

criticalexploitedCVE-2020-6819cisa-kev2021-11-03

CVE-2019-17026: Mozilla Firefox And Thunderbird Type Confusion Vulnerability

criticalexploitedCVE-2019-17026cisa-kev2021-11-03