CVE-2026-6782

Information disclosure in the IP Protection component. This vulnerability was fixed in Firefox 150 and Thunderbird 150...

CVE-2026-6775

Incorrect boundary conditions in the WebRTC component. This vulnerability was fixed in Firefox 150 and Thunderbird 150...

CVE-2026-6778

Invalid pointer in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150 and Thunderbird 150...

CVE-2026-6765

Information disclosure in the Form Autofill component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10...

CVE-2026-6752

Incorrect boundary conditions in the WebRTC component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10...

CVE-2026-6755

Mitigation bypass in the DOM: postMessage component. This vulnerability was fixed in Firefox 150 and Thunderbird 150...

CVE-2026-6747

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

CVE-2026-6786

Mozilla Firefox and Thunderbird are affected by memory safety bugs in versions Firefox ESR 140.9 , Thunderbird ESR 140.9 , Firefox 149 , and Thunderbird 149 . These bugs can lead to memory corruption , which might be exploited by a remote attacker to execute arbitrary code by reading data beyond ...

CVE-2026-6786

Memory safety bugs present in Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149. 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 in...

CVE-2026-6785

Memory safety bugs present in Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149. 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...

EUVD-2026-24126

Memory safety bugs present in Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149. 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...

CVE-2026-6785

Memory safety bugs present in Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149. 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...

CVE-2026-6782

Information disclosure in the IP Protection component. This vulnerability was fixed in Firefox 150 and Thunderbird 150...

CVE-2026-6782

Information disclosure in the IP Protection component. This vulnerability was fixed in Firefox 150 and Thunderbird 150...

CVE-2026-6782

The Firefox web browser and Thunderbird email client are susceptible to an information disclosure vulnerability in the IP Protection component . This flaw could allow a malicious actor to gain access to confidential data . The issue has been resolved in Firefox 150 and Thunderbird 150 . Exploitat...

CVE-2026-6780

The Audio/Video: Playback component in Mozilla Firefox and Mozilla Thunderbird is vulnerable to a denial-of-service (DoS) attack. The root cause is an uncontrolled resource consumption issue within the playback functions, which can be exploited by an attacker to trigger service interruptions . Th...

CVE-2026-6779

Other issue in the JavaScript Engine component. This vulnerability was fixed in Firefox 150 and Thunderbird 150...

CVE-2026-6778

Invalid pointer in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150 and Thunderbird 150...

CVE-2026-6777

Other issue in the Networking: DNS component. This vulnerability was fixed in Firefox 150 and Thunderbird 150...

CVE-2026-6776 Incorrect boundary conditions in the WebRTC: Networking component

Incorrect boundary conditions in the WebRTC: Networking component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10...