Mozilla

Firefox

3102 Schwachstellen gefunden.

Hinweis: Diese Liste kann unvollständig sein. Daten werden ohne Gewähr im Ursprungsformat bereitgestellt.
4.3

CVE-2025-6425

  • EPSS 0.41%
  • Veröffentlicht 24.06.2025 12:27:59
  • Zuletzt bearbeitet 13.04.2026 15:17:06

An attacker who enumerated resources from the WebCompat extension could have obtained a persistent UUID that identified the browser, and persisted between containers and normal/private browsing mode, but not profiles. This vulnerability was fixed in ...

9.8

CVE-2025-49710

  • EPSS 0.41%
  • Veröffentlicht 11.06.2025 12:07:50
  • Zuletzt bearbeitet 13.04.2026 15:16:59

An integer overflow was present in `OrderedHashTable` used by the JavaScript engine. This vulnerability was fixed in Firefox 139.0.4.

9.8

CVE-2025-49709

  • EPSS 0.41%
  • Veröffentlicht 11.06.2025 12:07:49
  • Zuletzt bearbeitet 13.04.2026 15:16:58

Certain canvas operations could have lead to memory corruption. This vulnerability was fixed in Firefox 139.0.4.

7.3

CVE-2025-5272

  • EPSS 0.37%
  • Veröffentlicht 27.05.2025 12:29:30
  • Zuletzt bearbeitet 13.04.2026 15:17:05

Memory safety bugs present in Firefox 138 and Thunderbird 138. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed ...

6.5

CVE-2025-5271

  • EPSS 0.28%
  • Veröffentlicht 27.05.2025 12:29:29
  • Zuletzt bearbeitet 13.04.2026 15:17:05

Previewing a response in Devtools ignored CSP headers, which could have allowed content injection attacks. This vulnerability was fixed in Firefox 139 and Thunderbird 139.

7.5

CVE-2025-5270

  • EPSS 0.17%
  • Veröffentlicht 27.05.2025 12:29:28
  • Zuletzt bearbeitet 13.04.2026 15:17:05

In certain cases, SNI could have been sent unencrypted even when encrypted DNS was enabled. This vulnerability was fixed in Firefox 139 and Thunderbird 139.

8.1

CVE-2025-5269

  • EPSS 0.43%
  • Veröffentlicht 27.05.2025 12:29:27
  • Zuletzt bearbeitet 13.04.2026 15:17:04

Memory safety bug present in Firefox ESR 128.10, and Thunderbird 128.10. This bug showed evidence of memory corruption and we presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability was fixed in Firefo...

8.1

CVE-2025-5268

  • EPSS 0.44%
  • Veröffentlicht 27.05.2025 12:29:26
  • Zuletzt bearbeitet 13.04.2026 15:17:04

Memory safety bugs present in Firefox 138, Thunderbird 138, Firefox ESR 128.10, and Thunderbird 128.10. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbi...

4.3

CVE-2025-5266

  • EPSS 0.43%
  • Veröffentlicht 27.05.2025 12:29:25
  • Zuletzt bearbeitet 13.04.2026 15:17:04

Script elements loading cross-origin resources generated load and error events which leaked information enabling XS-Leaks attacks. This vulnerability was fixed in Firefox 139, Firefox ESR 128.11, Thunderbird 139, and Thunderbird 128.11.

5.4

CVE-2025-5267

  • EPSS 0.35%
  • Veröffentlicht 27.05.2025 12:29:25
  • Zuletzt bearbeitet 13.04.2026 15:17:04

A clickjacking vulnerability could have been used to trick a user into leaking saved payment card details to a malicious page. This vulnerability was fixed in Firefox 139, Firefox ESR 128.11, Thunderbird 139, and Thunderbird 128.11.