Use-after-free in the Graphics: WebGPU component

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Summary

CVECVE-2026-12293
StatePUBLISHED
Assignermozilla
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-16 13:16:29 UTC
Updated2026-06-16 17:16:33 UTC
DescriptionUse-after-free in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Mozilla Firefox unaffected 152 * rpm Not specified
CNA Mozilla Thunderbird unaffected 152 * rpm Not specified

References

ReferenceSourceLinkTags
www.mozilla.org/security/advisories/mfsa2026-57 [email protected] www.mozilla.org
www.mozilla.org/security/advisories/mfsa2026-60 [email protected] www.mozilla.org
bugzilla.mozilla.org/show_bug.cgi [email protected] bugzilla.mozilla.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: superhei (en)

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