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.

Affected Platforms

Weakness Type

CWE-416, CWE-825

References

• 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/
• https://www.mozilla.org/security/advisories/mfsa2026-43/
• https://www.mozilla.org/security/advisories/mfsa2026-44/