CVE-2026-8388

Description

Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11.

References

https://www.mozilla.org/security/advisories/mfsa2026-51/

https://www.mozilla.org/security/advisories/mfsa2026-48/

https://www.mozilla.org/security/advisories/mfsa2026-47/

https://www.mozilla.org/security/advisories/mfsa2026-45/

https://bugzilla.mozilla.org/show_bug.cgi?id=2036978

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3

EPSS