Moole Vulnerability Database

Find real vulnerabilities before they ship

High

CVE-2026-8947

Use-after-free in the DOM: Bindings (WebIDL) component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

VectorNETWORK

PublishedMay 19, 2026, 14:16

Published Bysecurity@mozilla.org

Base Score

Score7.3

Affected Versions

No affected versions found.

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2038439
https://www.mozilla.org/security/advisories/mfsa2026-46/
https://www.mozilla.org/security/advisories/mfsa2026-47/
https://www.mozilla.org/security/advisories/mfsa2026-48/
https://www.mozilla.org/security/advisories/mfsa2026-50/
https://www.mozilla.org/security/advisories/mfsa2026-51/

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