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CVE-2026-100756VulnerabilityPublished Updated

SUSE · Security update for MozillaFirefox

Affects SUSESource GCVE Database

0

Mentioned vulnerabilities

Authoritative record:CVE-2026-100756· High 8.1

Not known to be exploited · CVSS 8.1 High.

Data as of 27 Oct 2026, 22:29 UTC

CVSS 3.1 base score
8.1High
How severe the flaw is on the 0–10 CVSS scale.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 29 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
SUSE Product Security Team SUSEAffected
  • <153.4
  • <157
  • <115.42
  • <140.17
Fixed in
  • 153.4
  • 157
  • 115.42
  • 140.17

AI-suggested

A security update to Firefox Extended Support Release 153.4.0 ESR is available that fixes all listed vulnerabilities. Users and administrators should apply this update promptly to mitigate the risks associated with these vulnerabilities. No additional mitigation steps are indicated beyond applying the official update.

Description

This security update for Mozilla Firefox Extended Support Release 153.4.0 ESR addresses multiple vulnerabilities across various components including networking, audio/video playback, DOM, graphics, JavaScript, storage, sandboxing, and others. The issues fixed include information disclosure, use-after-free, sandbox escapes, privilege escalations, mitigation bypasses, denial-of-service, and same-origin policy bypasses. These vulnerabilities collectively pose significant risks to confidentiality, integrity, and sandbox isolation within the browser environment.

References

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