CVE-2026-100822

medium

Description

Spoofing issue in the Networking: HTTP component. This vulnerability was fixed in Firefox ESR 153.4 and Firefox 157.

References

https://www.mozilla.org/security/advisories/mfsa2026-97/

https://www.mozilla.org/security/advisories/mfsa2026-100/

https://bugzilla.mozilla.org/show_bug.cgi?id=2051115

Details

Source: Mitre, NVD

Published: 2026-09-29

Updated: 2026-09-29

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 6.5

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

Severity: Medium