Denial-of-service in the XML component. This vulnerability affects Firefox < 149.
https://www.mozilla.org/security/advisories/mfsa2026-20/
https://bugzilla.mozilla.org/show_bug.cgi?id=1955311
Source: Mitre, NVD
Published: 2026-03-24
Updated: 2026-03-24
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P
Severity: Medium
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity: High
