SUSE · Security update for MozillaFirefox
Affects SUSESource GCVE Database
Not known to be exploited · CVSS 8.8 High.
Data as of 5 Nov 2026, 00:56 UTC
Thin evidence
One scorer or none| CISA-ADP | CVSS 3.1 | 8.8 |
|---|
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 29 Sep 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 5 Nov 2026.
What to do
AI-suggested
Apply the update to Firefox Extended Support Release 153.6.0 ESR as provided by the vendor (SUSE Product Security Team) to remediate these vulnerabilities. This update contains official fixes for all listed issues. No additional mitigation steps are indicated beyond applying this security update.
Description
This security update for Mozilla Firefox Extended Support Release 153.6.0 ESR addresses multiple vulnerabilities including privilege escalations, sandbox escapes, same-origin policy bypasses, use-after-free bugs, incorrect boundary conditions, uninitialized memory disclosures, and JIT miscompilations across various components such as DLL services, DOM, JavaScript engine, graphics, networking, audio/video, and layout. These issues collectively pose significant risks to browser security and stability.
References
- suse.com/support/security/rating/ (opens in a new tab)
- ftp.suse.com/pub/projects/security/csaf/suse-su-2026_4928-1.json (opens in a new tab)
- suse.com/support/update/announcement/2026/suse-su-20264928-1/ (opens in a new tab)
- bugzilla.suse.com/1286261 (opens in a new tab)
- bugzilla.suse.com/1286385 (opens in a new tab)
- bugzilla.suse.com/1286955 (opens in a new tab)
- bugzilla.suse.com/1287809 (opens in a new tab)
- suse.com/security/cve/CVE-2026-100801/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-111497/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-113470/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-117860/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-117861/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-117862/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-117863/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-117864/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-117865/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-117866/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-117867/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-117868/ (opens in a new tab)