VDB

DEBIAN-CVE-2026-4696

DEBIAN-CVE-2026-4696 PUBLISHED CVSS 9.800000190734863 CRITICAL

Use-after-free in the Layout: Text and Fonts component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

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:13thunderbird1:128.14.0esr-1, 1:128.14.0esr-1~deb11u1, 1:128.14.0esr-1~deb12u1
Debian:12thunderbird1:128.10.1esr-1, 1:128.10.1esr-1~deb11u1, 1:128.10.1esr-1~deb12u1
Debian:14thunderbird140.6.0, 140.6.0, 140.6.0
Debian:14firefox-esr0, 128.13.0esr-1, 128.14.0esr-1
Debian:11firefox-esr115.9.1esr-1~deb12u1, 0, 102.1.0esr-1
Debian:12firefox-esr102.12.0esr-1, *, 102.12.0esr-1~deb12u1
Debian:13firefox-esr0, 128.13.0esr-1, 128.14.0esr-1
Debian:11thunderbird128.9.0, 128.9.0, 129.0

Exploit Intelligence

Timeline

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