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VulnerabilityPublished

CVE-2026-124945: Mozilla Firefox · Invalid pointer in the Layout: Text and Fonts component

Affects Mozilla FirefoxSource CVE Database V5

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Not known to be exploited.

Data as of 10 Nov 2026, 13:36 UTC

Severity
High

Rated High by Threat Radar's AI analysis · CVSS not yet scored by NVD

Thin evidence

One scorer or none

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 10 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: 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 10 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
Mozilla FirefoxAffected
  • <160
Fixed in
  • 160

AI-suggested

Users and administrators should update Firefox to version 160 or later to remediate this vulnerability. The vendor advisory confirms the issue is fixed in Firefox 160, so applying this official update fully addresses the risk.

Description

CVE-2026-124945 is a high-impact vulnerability involving an invalid pointer in the Layout: Text and Fonts component of Mozilla Firefox. This flaw was addressed and fixed in Firefox version 160. The issue is part of a broader set of high-impact security vulnerabilities resolved in this release.

References

Community reviews

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