Mozilla

Thunderbird

1786 Schwachstellen gefunden.

Hinweis: Diese Liste kann unvollständig sein. Daten werden ohne Gewähr im Ursprungsformat bereitgestellt.
7.5

CVE-2026-6747

  • EPSS 0.4%
  • Veröffentlicht 21.04.2026 12:40:45
  • Zuletzt bearbeitet 30.06.2026 03:21:14

Use-after-free in the WebRTC component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

9.8

CVE-2026-6748

  • EPSS 0.4%
  • Veröffentlicht 21.04.2026 12:40:45
  • Zuletzt bearbeitet 30.06.2026 03:21:15

Uninitialized memory in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

7.5

CVE-2026-6746

  • EPSS 0.59%
  • Veröffentlicht 21.04.2026 12:40:44
  • Zuletzt bearbeitet 30.06.2026 03:21:14

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

9.8

CVE-2026-5735

  • EPSS 0.26%
  • Veröffentlicht 07.04.2026 12:43:15
  • Zuletzt bearbeitet 30.06.2026 03:21:09

Memory safety bugs present in Firefox 149.0.1 and Thunderbird 149.0.1. 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 wa...

9.8

CVE-2026-5734

  • EPSS 0.33%
  • Veröffentlicht 07.04.2026 12:43:14
  • Zuletzt bearbeitet 30.06.2026 03:21:09

Memory safety bugs present in Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploite...

9.8

CVE-2026-5731

  • EPSS 0.34%
  • Veröffentlicht 07.04.2026 12:43:11
  • Zuletzt bearbeitet 30.06.2026 03:21:08

Memory safety bugs present in Firefox ESR 115.34.0, Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these co...

8.2

CVE-2026-4371

  • EPSS 0.36%
  • Veröffentlicht 24.03.2026 20:27:15
  • Zuletzt bearbeitet 30.06.2026 03:20:32

A malicious mail server could send malformed strings with negative lengths, causing the parser to read memory outside the buffer. If a mail server or connection to a mail server were compromised, an attacker could cause the parser to malfunction, pot...

6.5

CVE-2026-3889

  • EPSS 0.2%
  • Veröffentlicht 24.03.2026 20:27:14
  • Zuletzt bearbeitet 13.04.2026 15:17:35

Spoofing issue in Thunderbird. This vulnerability was fixed in Thunderbird 149 and Thunderbird 140.9.

9.8

CVE-2026-4721

  • EPSS 0.42%
  • Veröffentlicht 24.03.2026 12:30:44
  • Zuletzt bearbeitet 30.06.2026 03:20:40

Memory safety bugs present in Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been ...

9.8

CVE-2026-4720

  • EPSS 0.42%
  • Veröffentlicht 24.03.2026 12:30:43
  • Zuletzt bearbeitet 30.06.2026 03:20:40

Memory safety bugs present in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148. 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 arb...