SUSE · Security update for MozillaFirefox
Affects SUSESource GCVE Database
Mentioned vulnerabilities
Not known to be exploited · CVSS 8.8 High · patch available : patch SUSE soon.
Data as of 10 Nov 2026, 20:06 UTC
- Patch
- Available
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 16 Jun 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 10 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| SUSE Product Security Team SUSE | Affected
| Fixed in
|
Description
This update for MozillaFirefox fixes the following issue 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.
References
- suse.com/support/security/rating/ (opens in a new tab)
- ftp.suse.com/pub/projects/security/csaf/2026/opensuse-su-2026_21043-1.json (opens in a new tab)
- bugzilla.suse.com/1268071 (opens in a new tab)
- suse.com/security/cve/CVE-2026-12289/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-12290/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-12291/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-12292/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-12294/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-12295/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-12296/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-12297/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-12298/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-12299/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-12302/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-12304/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-12305/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-12306/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-12307/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-12308/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-12309/ (opens in a new tab)