Detections
Analytics

Echo: firefox-esr: security update to 140.8.0esr-1~deb13u1

high Tenable Cloud Security Plugin ID 464120

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - Heap buffer overflow in libvpx. This vulnerability was fixed in Firefox 147.0.4, Firefox ESR 140.7.1,
 Firefox ESR 115.32.1, Thunderbird 140.7.2, and Thunderbird 147.0.2. (CVE-2026-2447)

Solution

Update the firefox-esr library and its related packages to version 140.8.0esr-1~deb13u1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-2447

Plugin Details

Severity: High

ID: 464120

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Medium

Score: 6.9

Percentile: 96.95

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2026-2447

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 5/13/2026

Vulnerability Publication Date: 2/16/2026

Reference Information

CVE: CVE-2026-2447