SUSE-SU-2026:2582-1: MozillaFirefox&distro=SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS SUSE Linux Enterprise

Vulnerability summary

SUSE-SU-2026:2582-1 is a vulnerability in MozillaFirefox&distro=SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS SUSE Linux Enterprise with no CVSS score yet.

Timeline

1. 23-06-2026
   PublishedVulnerability first disclosed.
2. 13-07-2026
   Last modifiedVulnerability information updated.

Description

Security update for MozillaFirefox This update for MozillaFirefox fixes the following issues: Update to Firefox 140.12.0 ESR (MFSA 2026-58, bsc#1268071): - CVE-2026-12289: Privilege escalation in the Graphics: WebRender component. - CVE-2026-12290: Memory safety bug fixed in Firefox ESR 140.12. - CVE-2026-12291: Use-after-free in the Networking: HTTP component. - CVE-2026-12292: Incorrect boundary conditions in the Web Audio component. - CVE-2026-12294: Sandbox escape in the DOM: Workers component. - CVE-2026-12295: Sandbox escape in the DOM: Navigation component. - CVE-2026-12296: Sandbox escape in the Security: Process Sandboxing component. - CVE-2026-12297: Sandbox escape due to incorrect boundary conditions in the Networking component. - CVE-2026-12298: Memory safety bug fixed in Firefox ESR 140.12. - CVE-2026-12299: JIT miscompilation in the DOM: Core & HTML component. - CVE-2026-12302: Mitigation bypass in the DOM: Security component. - CVE-2026-12304: Same-origin policy bypass in the Networking: Cookies component. - CVE-2026-12305: Memory safety bug fixed in Firefox ESR 140.12. - CVE-2026-12306: Memory safety bug fixed in Firefox ESR 140.12. - CVE-2026-12307: Memory safety bug fixed in Firefox ESR 140.12. - CVE-2026-12308: Memory safety bug fixed in Firefox ESR 140.12. - CVE-2026-12309: Memory safety bug fixed in Firefox ESR 140.12. - CVE-2026-12310: Memory safety bug fixed in Firefox ESR 140.12. - CVE-2026-12311: Information disclosure, sandbox escape in the Security: Process Sandboxing component. - CVE-2026-12312: Memory safety bug fixed in Firefox ESR 140.12. - CVE-2026-12313: Information disclosure, sandbox escape in the Security: Process Sandboxing component. - CVE-2026-12314: Memory safety bug fixed in Firefox ESR 140.12. - CVE-2026-12315: Mitigation bypass in the DOM: Security component. - CVE-2026-12324: Incorrect boundary conditions in the Graphics: CanvasWebGL component. - CVE-2026-12325: Denial-of-service in the Graphics: ImageLib component. - CVE-2026-12327: Memory safety bugs fixed in Firefox ESR 140.12, Thunderbird ESR 140.12, Firefox 152 and Thunderbird 152. - CVE-2026-12328: Memory safety bugs fixed in Firefox ESR 115.37, Firefox ESR 140.12, Thunderbird ESR 140.12, Firefox 152 and Thunderbird 152. - CVE-2026-12329: Memory safety bug fixed in Firefox ESR 140.12. - CVE-2026-12330: Incorrect boundary conditions in the Internationalization component.

No weakness data has been published for this record.