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

medium Tenable Cloud Security Plugin ID 460199

Description

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

- Tor Browser before 8.0.1 has an information exposure vulnerability. It allows remote attackers to detect
the browser's UI locale by measuring a button width, even if the user has a "Don't send my language"
setting. (CVE-2019-12383)

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-2019-12383

Plugin Details

Severity: Medium

ID: 460199

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

CVSS Score Source: CVE-2019-12383

CVSS v3

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.8

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

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: 5/21/2019

Reference Information

CVE: CVE-2019-12383