VDB

DEBIAN-CVE-2026-2770

DEBIAN-CVE-2026-2770 PUBLISHED CVSS 9.800000190734863 CRITICAL

Use-after-free in the DOM: Bindings (WebIDL) 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 v3.1
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:12firefox-esr115.10.0, 140.8.0, 140.7.0
Debian:13thunderbird140.5.0, 140.5.0, 1:128.14.0esr-1
Debian:13firefox-esr128.14.0esr-1~deb11u1, 0, 140.8.0
Debian:14firefox-esr140.7.0, 140.8.0, 140.8.0
Debian:11firefox-esr*, 0, 102.1.0esr-1
Debian:11thunderbird*, *, *
Debian:14thunderbird128.13.0, 0, 1:128.13.0esr-1
Debian:12thunderbird*, 1:128.14.0esr-1~deb12u1, 1:128.14.0esr-1~deb13u1

Timeline

  • Feb 24, 2026 CVE Published
  • Apr 28, 2026 CVE Updated
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