CVE-2026-12314

A memory safety bug was identified and fixed in Firefox 152 , Firefox ESR 140.12 , Thunderbird 152 , and Thunderbird 140.12 . While the specific technical root cause for CVE-2026-12314 is not detailed beyond its classification as a memory safety issue, several connected documents indicate that si...

EUVD-2026-37105

Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12...

CVE-2026-12313 Information disclosure, sandbox escape in the Security: Process Sandboxing component

Information disclosure, sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12...

CVE-2026-12313 Information disclosure, sandbox escape in the Security: Process Sandboxing component

Information disclosure, sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12...

CVE-2026-12312

A memory safety bug has been identified in Firefox and Thunderbird . The vulnerability is present in several versions, including Firefox 152 , Firefox ESR 140.12 , and Thunderbird 152 and Thunderbird 140.12 . This bug has been addressed in the aforementioned versions. No specific root cause detai...

CVE-2026-12310

A memory safety bug exists in Firefox and Thunderbird , specifically affecting Firefox 152 , Firefox ESR 140.12 , Thunderbird 152 , and Thunderbird 140.12 . The vulnerability has been addressed in the specified versions. While the specific root cause component is not detailed in the primary descr...

CVE-2026-12310

Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12...

EUVD-2026-37101

Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12...

EUVD-2026-37100

Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12...

CVE-2026-12308

A memory safety bug has been identified and fixed in Mozilla Thunderbird 152 and Firefox 152 , along with several Extended Support Release (ESR) versions including Firefox ESR 140.12 and Thunderbird 140.12 . The vulnerability is associated with the Thunderbird client and the Firefox web browser. ...

EUVD-2026-37099

Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12...

CVE-2026-12307

A memory safety bug has been identified and fixed in Firefox and Thunderbird . This vulnerability affects Firefox 152 , Firefox ESR 140.12 , Thunderbird 152 , and Thunderbird 140.12 . The issue was specifically addressed as a memory safety fix in the Thunderbird client. No specific technical deta...

CVE-2026-12306

Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12...

EUVD-2026-37097

Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12...

EUVD-2026-37096

Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12...

CVE-2026-12305

Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12...

CVE-2026-12305

Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12...

EUVD-2026-37095

Same-origin policy bypass in the Networking: Cookies component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12...

CVE-2026-12303

The Firefox web browser and Thunderbird email client are affected by an information disclosure vulnerability in the Graphics: WebGPU component. The root cause is incorrect boundary conditions , which allows an attacker to read data from buffer areas beyond the allowed limits and potentially acces...

CVE-2026-12302 Mitigation bypass in the DOM: Security component

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12...