CVE-2026-8090

Description

Use-after-free in the DOM: Networking component. This vulnerability was fixed in Firefox 150.0.2, Firefox ESR 140.10.2, Firefox ESR 115.35.2, Thunderbird 150.0.2, and Thunderbird 140.10.2.

PUBLISHED Reserved 2026-05-07 | Published 2026-05-07 | Updated 2026-05-08 | Assigner mozilla

Product status

Credits

Kevin Brosnan

References

bugzilla.mozilla.org/show_bug.cgi?id=2034352

www.mozilla.org/security/advisories/mfsa2026-40/

www.mozilla.org/security/advisories/mfsa2026-41/

www.mozilla.org/security/advisories/mfsa2026-42/

www.mozilla.org/security/advisories/mfsa2026-43/

www.mozilla.org/security/advisories/mfsa2026-44/

cve.org (CVE-2026-8090)

nvd.nist.gov (CVE-2026-8090)

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