VDB

DEBIAN-CVE-2026-2775

DEBIAN-CVE-2026-2775 PUBLISHED CVSS 9.800000190734863 CRITICAL

Mitigation bypass in the DOM: HTML Parser component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

Risk Scores

CVSS 3.1
9.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products

VendorProductVersions
Debian:11firefox-esr128.5.0, *, *
Debian:14firefox-esr140.8.0, 140.8.0, 140.7.0
Debian:13firefox-esr*, *, *
Debian:13thunderbird128.14.0, 128.14.0, 128.14.0
Debian:12firefox-esr140.8.0, 0, 102.11.0esr-1
Debian:11thunderbird*, *, *
Debian:14thunderbird0, 1:128.13.0esr-1, 1:128.14.0esr-1
Debian:12thunderbird102.13.1-1, 102.13.1-1, 102.13.1-1

Exploit Intelligence

Timeline

  • Feb 24, 2026 CVE Published
  • Apr 28, 2026 CVE Updated
Open in Interactive Console →
$ Console Community · 100/wk Open console ›