CVE-2026-8090 PUBLISHED

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

• Kevin Brosnan

• https://bugzilla.mozilla.org/show_bug.cgi?id=2034352
• https://www.mozilla.org/security/advisories/mfsa2026-40/
• https://www.mozilla.org/security/advisories/mfsa2026-41/
• https://www.mozilla.org/security/advisories/mfsa2026-42/