Detections
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Echo: libxfont: security update to 1:2.0.4-1+deb11u1

high Tenable Self-Hosted Container Security Plugin ID 465627

Description

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

 - A heap buffer overflow in BitmapScaleBitmaps in libXfont2 before 2.0.8 due to an overflowing 32bit size
 could be used by attackers able to access the X Server to execute code within the X server cont
 (CVE-2026-56001)

Solution

Update the libxfont library and its related packages to version 1:2.0.4-1+deb11u1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-56001

Plugin Details

Severity: High

ID: 465627

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.1

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 6.7

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

CVSS Score Source: CVE-2026-56001

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/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: 7/8/2026

Vulnerability Publication Date: 7/8/2026

Reference Information

CVE: CVE-2026-56001