Moole Vulnerability Database

Find real vulnerabilities before they ship

Medium

CVE-2026-8391

Other issue in the JavaScript Engine component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11.

VectorNETWORK

PublishedMay 12, 2026, 14:17

Published Bysecurity@mozilla.org

Base Score

Score5.3

Affected Versions

No affected versions found.

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2038575
https://www.mozilla.org/security/advisories/mfsa2026-45/
https://www.mozilla.org/security/advisories/mfsa2026-47/
https://www.mozilla.org/security/advisories/mfsa2026-48/
https://www.mozilla.org/security/advisories/mfsa2026-51/

Weakness Type

CWE-20

CVSS Metrics

Base Score

5.3

Vector String

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

Base SeverityMedium

Version

3.1

Attack Vector (AV)

NETWORK