Mozilla

Firefox

2996 Schwachstellen gefunden.

Hinweis: Diese Liste kann unvollständig sein. Daten werden ohne Gewähr im Ursprungsformat bereitgestellt.
6.1

CVE-2025-6430

  • EPSS 0.09%
  • Veröffentlicht 24.06.2025 12:28:01
  • Zuletzt bearbeitet 03.11.2025 20:19:19

When a file download is specified via the `Content-Disposition` header, that directive would be ignored if the file was included via a `<embed>` or `<object>` tag, potentially making a website vulnerable to a cross-site scripting attack. ...

8.8

CVE-2025-6426

  • EPSS 0.04%
  • Veröffentlicht 24.06.2025 12:28:00
  • Zuletzt bearbeitet 14.07.2025 19:15:33

The executable file warning did not warn users before opening files with the `terminal` extension. *This bug only affects Firefox for macOS. Other versions of Firefox are unaffected.* This vulnerability affects Firefox < 140, Firefox ESR < 128.12, T...

6.5

CVE-2025-6429

  • EPSS 0.11%
  • Veröffentlicht 24.06.2025 12:28:00
  • Zuletzt bearbeitet 03.11.2025 20:19:19

Firefox could have incorrectly parsed a URL and rewritten it to the youtube.com domain when parsing the URL specified in an `embed` tag. This could have bypassed website security checks that restricted which domains users were allowed to embed. This...

9.8

CVE-2025-6424

  • EPSS 0.28%
  • Veröffentlicht 24.06.2025 12:27:59
  • Zuletzt bearbeitet 03.11.2025 20:19:18

A use-after-free in FontFaceSet resulted in a potentially exploitable crash. This vulnerability affects Firefox < 140, Firefox ESR < 115.25, Firefox ESR < 128.12, Thunderbird < 140, and Thunderbird < 128.12.

4.3

CVE-2025-6425

  • EPSS 0.1%
  • Veröffentlicht 24.06.2025 12:27:59
  • Zuletzt bearbeitet 03.11.2025 20:19:18

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 affects Firef...

9.8

CVE-2025-49710

  • EPSS 0.1%
  • Veröffentlicht 11.06.2025 12:07:50
  • Zuletzt bearbeitet 16.06.2025 16:40:48

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

9.8

CVE-2025-49709

  • EPSS 0.1%
  • Veröffentlicht 11.06.2025 12:07:49
  • Zuletzt bearbeitet 16.06.2025 16:41:05

Certain canvas operations could have lead to memory corruption. This vulnerability affects Firefox < 139.0.4.

7.3

CVE-2025-5272

  • EPSS 0.37%
  • Veröffentlicht 27.05.2025 12:29:30
  • Zuletzt bearbeitet 11.06.2025 12:15:28

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 affects Fi...

6.5

CVE-2025-5271

  • EPSS 0.28%
  • Veröffentlicht 27.05.2025 12:29:29
  • Zuletzt bearbeitet 11.06.2025 12:15:28

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

7.5

CVE-2025-5270

  • EPSS 0.17%
  • Veröffentlicht 27.05.2025 12:29:28
  • Zuletzt bearbeitet 11.06.2025 12:15:28

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