Vulnerabilities

Use-after-free in the Layout component.

Use-after-free in the Layout component. This vulnerability was fixed in Firefox 159.

Read at NIST National Vulnerability Database (CVE API 2.0)

Vendor

Mozilla

Product

Firefox

Fix

available

Exposure class

Browser

NVD status

Received

• NIST National Vulnerability Database (CVE API 2.0) (nvd.nist.gov)
• CVE-2026-118020 on this site · NVD · CVE.org · Vulnpedia

Other items that share a CVE or were clustered with this one.

1. 12
   CVE NVD 4d ago

   Use-after-free in the SVG component.

   Fix available CVE-2026-118017 Mozilla
2. 12
   CVE NVD 4d ago

   Use-after-free in the Graphics component.

   Fix available CVE-2026-117989 Mozilla
3. 12
   CVE NVD 4d ago

   Use-after-free in the Graphics component.

   Fix available CVE-2026-117987 Mozilla
4. 12
   CVE NVD 4d ago

   Use-after-free in the Graphics component.

   Fix available CVE-2026-117986 Mozilla
5. 12
   CVE NVD 4d ago

   Use-after-free in the Graphics component.

   Fix available CVE-2026-117983 Mozilla
6. 12
   CVE NVD 4d ago

   Use-after-free in the Graphics component.

   Fix available CVE-2026-117980 Mozilla
7. 12
   CVE NVD 4d ago

   Use-after-free in the XML component.

   Fix available CVE-2026-117974 Mozilla
8. 12
   CVE NVD 4d ago

   Use-after-free in the Graphics component.

   Fix available CVE-2026-117972 Mozilla
9. 12
   CVE NVD 4d ago

   Use-after-free in the Layout: Positioned component.

   Fix available CVE-2026-117954 Mozilla
10. 12
    CVE NVD 4d ago

    Use-after-free in the SVG component.

    Fix available CVE-2026-117948 Mozilla
11. 12
    CVE NVD 4d ago

    Use-after-free in the XML component.

    Fix available CVE-2026-117947 Mozilla
12. 12
    CVE NVD 4d ago

    Use-after-free in the Layout component.

    Fix available CVE-2026-117944 Mozilla
13. 12
    CVE NVD 4d ago

    Use-after-free in the XML component.

    Fix available CVE-2026-117939 Mozilla
14. 12
    CVE NVD 4d ago

    Use-after-free in the Layout component.

    Fix available CVE-2026-117938 Mozilla
15. 12
    CVE NVD 4d ago

    Use-after-free in the Layout component.

    Fix available CVE-2026-117934 Mozilla
16. 12
    CVE NVD 4d ago

    Use-after-free in the SVG component.

    Fix available CVE-2026-117927 Mozilla
17. 12
    CVE NVD 4d ago

    Use-after-free in the XSLT component.

    Fix available CVE-2026-117924 Mozilla
18. 12
    CVE NVD 4d ago

    Use-after-free in the XSLT component.

    Fix available CVE-2026-117916 Mozilla
19. 12
    CVE NVD 4d ago

    Use-after-free in the SVG component.

    Fix available CVE-2026-117914 Mozilla
20. 12
    CVE NVD 4d ago

    Use-after-free in the SVG component.

    Fix available CVE-2026-117913 Mozilla