CVE-2026-124949: Firefox other issue in SVG component

CVE-2026-124949 · Severity: info · Published 2026-11-10

Mozilla Firefox is a web browser used by millions to access the internet. An unspecified issue in Firefox's SVG (scalable vector graphics) processing component could allow attackers to compromise the browser. This vulnerability has been patched in Firefox 160.

Technologies: Mozilla Firefox. Vendors: Mozilla.

Quick answers

Is CVE-2026-124949 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-124949 being exploited in the wild.
How severe is CVE-2026-124949?
Informational severity, published 10 November 2026.
Which products and versions are affected?
Mozilla Firefox.
Is there a fix for CVE-2026-124949?
Yes: fixed in Firefox 160. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2026-124949?
Check whether you run Mozilla Firefox. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • Fixed in: Firefox 160

Technical details

An unspecified vulnerability exists in the SVG component of Firefox. The exact vulnerability class and attack preconditions are not disclosed in the advisory. The vulnerability is fixed in Firefox 160.

Affected products

  • Mozilla Firefox

Timeline

  • 2026-11-10: disclosed
  • 2026-11-10: patched

References

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