Moole Vulnerability Database

Find real vulnerabilities before they ship

High

CVE-2026-8090

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.

VectorNETWORK

PublishedMay 07, 2026, 13:16

Published Bysecurity@mozilla.org

Base Score

Score7.3

Affected Versions

No affected versions found.

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/

Weakness Type

CWE-416

CVSS Metrics

Base Score

7.3

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Base SeverityHigh

Version

3.1

Attack Vector (AV)

NETWORK