VDB

DEBIAN-CVE-2025-14321

DEBIAN-CVE-2025-14321 PUBLISHED CVSS 9.800000190734863 CRITICAL

Use-after-free in the WebRTC: Signaling component. This vulnerability was fixed in Firefox 146, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6.

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:11thunderbird115.10.1-1, 115.10.1-1, 115.11.0-1
Debian:14firefox-esr0, 128.13.0esr-1, 128.14.0esr-1~deb12u1
Debian:14thunderbird1:137.0-1, 1:136.0-1, 1:135.0-1
Debian:11firefox-esr91.13.0esr-1~deb10u1, 91.2.0esr-1, 91.3.0esr-1
Debian:13thunderbird1:140.3.0esr-1, 1:140.3.0esr-1~deb12u1, 1:140.3.0esr-1~deb13u1
Debian:13firefox-esr140.6.0, 140.6.0, 140.5.0
Debian:12thunderbird115.7.0-1, 1:102.11.0-1, 1:102.12.0-1
Debian:12firefox-esr0, 102.11.0esr-1, 102.12.0esr-1

Timeline

  • Dec 9, 2025 CVE Published
  • Apr 28, 2026 CVE Updated
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