CVE-2026-2791

Mitigation bypass in the Networking: Cache component. This vulnerability affects Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8...

CVE-2026-2790

Same-origin policy bypass in the Networking: JAR component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8...

CVE-2026-2790 Same-origin policy bypass in the Networking: JAR component

Same-origin policy bypass in the Networking: JAR component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8...

CVE-2026-2790 Same-origin policy bypass in the Networking: JAR component

Same-origin policy bypass in the Networking: JAR component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8...

EUVD-2026-8441

Incorrect boundary conditions in the Audio/Video: GMP component. This vulnerability affects Firefox 148, Firefox ESR 115.33, and Firefox ESR 140.8...

EUVD-2026-8440

Use-after-free in the Graphics: ImageLib component. This vulnerability affects Firefox 148, Firefox ESR 115.33, and Firefox ESR 140.8...

EUVD-2026-8508

Use-after-free in the DOM: Window and Location component. This vulnerability affects Firefox 148, Firefox ESR 115.33, and Firefox ESR 140.8...

CVE-2026-2786

Use-after-free in the JavaScript Engine component. This vulnerability affects Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8...

CVE-2026-2785

Invalid pointer in the JavaScript Engine component. This vulnerability affects Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8...

EUVD-2026-8505

Mitigation bypass in the DOM: Security component. This vulnerability affects Firefox 148 and Firefox ESR 140.8...

CVE-2026-2784 Mitigation bypass in the DOM: Security component

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8...

CVE-2026-2782

Privilege escalation in the Netmonitor component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8...

EUVD-2026-8502

Integer overflow in the Libraries component in NSS. This vulnerability affects Firefox 148 and Firefox ESR 140.8...

CVE-2026-2781

Integer overflow in the Libraries component in NSS. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, Thunderbird 140.8, and Firefox ESR 115.35...

CVE-2026-2779

Incorrect boundary conditions in the Networking: JAR component. This vulnerability affects Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8...

EUVD-2026-8499

Incorrect boundary conditions in the Networking: JAR component. This vulnerability affects Firefox 148 and Firefox ESR 140.8...

CVE-2026-2780

Privilege escalation in the Netmonitor component. This vulnerability affects Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8...

EUVD-2026-8501

Privilege escalation in the Netmonitor component. This vulnerability affects Firefox 148 and Firefox ESR 140.8...

CVE-2026-2780

CVE-2026-2780: Privilege escalation in the Netmonitor component of Firefox/Thunderbird. The vulnerability is fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8. Affected products include Firefox family and Thunderbird; root cause is in the Netmonitor component. Remedi...

CVE-2026-2777 Privilege escalation in the Messaging System component

Privilege escalation in the Messaging System component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8...