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Mozilla Firefox und Thunderbird: Mehrere Schwachstellen
view advisory published 2026-07-21
Ein Angreifer kann mehrere Schwachstellen in Mozilla Firefox und Mozilla Thunderbird ausnutzen, um beliebigen Code auszuführen, Sicherheitsmaßnahmen zu umgehen, vertrauliche Informationen offenzulegen, Berechtigungen zu erweitern, Sandbox-Escapes durchzuführen, Daten zu manipulieren, einen Denial-of-Service-Zustand auszulösen oder Speicherbeschädigungen zu verursachen.
01
describes (67)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-14899US | — | — | ||
The code to parse MIME headers for display when forwarding a message (if the setting to view all headers was enabled) had an off-by-one error, allowing a single byte to be read fro… | ||||
| CVE-2026-16412US | — | — | ||
Memory safety bugs present in Thunderbird ESR 140.12 and Thunderbird 152. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of the… | ||||
| CVE-2026-16411US | — | — | ||
Memory safety bugs present in Thunderbird 152. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploite… | ||||
| CVE-2026-16410US | — | — | ||
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | ||||
| CVE-2026-16409US | — | — | ||
Invalid pointer in the Security: PSM component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | ||||
| CVE-2026-16408US | — | — | ||
Integer overflow in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | ||||
| CVE-2026-16407US | — | — | ||
Mitigation bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | ||||
| CVE-2026-16406US | — | — | ||
Mitigation bypass in the Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | ||||
| CVE-2026-16405US | — | — | ||
Information disclosure in the Networking: WebSockets component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | ||||
| CVE-2026-16404US | — | — | ||
Spoofing issue in Firefox for Android. This vulnerability was fixed in Firefox 153. | ||||
| CVE-2026-16403US | — | — | ||
Spoofing issue in the Address Bar component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | ||||
| CVE-2026-16402US | — | — | ||
Integer overflow in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | ||||
| CVE-2026-16401US | — | — | ||
Privilege escalation in the Data Loss Prevention component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | ||||
| CVE-2026-16400US | — | — | ||
Information disclosure in the DOM: Security component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | ||||
| CVE-2026-16399US | — | — | ||
Site isolation issue in the DOM: Navigation component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | ||||
| CVE-2026-16398US | — | — | ||
Site isolation issue in the Graphics component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | ||||
| CVE-2026-16397US | — | — | ||
Clickjacking issue in the WebExtensions component in Firefox for Android. This vulnerability was fixed in Firefox 153. | ||||
| CVE-2026-16396US | — | — | ||
Privilege escalation in WebExtensions. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | ||||
| CVE-2026-16395US | — | — | ||
Integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | ||||
| CVE-2026-16394US | — | — | ||
Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | ||||
showing 20 of 67
02
references
External citations — patches, advisories, analysis.
- Oracle Linux Security Advisory ELSA-2026-47101 vom 2026-08-04external
- Oracle Linux Security Advisory ELSA-2026-49921 vom 2026-08-05external
- Red Hat Security Advisory RHSA-2026:47101 vom 2026-07-29external
- Red Hat Security Advisory RHSA-2026:47104 vom 2026-08-03external
- Red Hat Security Advisory RHSA-2026:47105 vom 2026-07-29external
- Red Hat Security Advisory RHSA-2026:49621 vom 2026-08-03external
- Red Hat Security Advisory RHSA-2026:49921 vom 2026-08-04external
- Red Hat Security Advisory RHSA-2026:49922 vom 2026-08-04external
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