Alpine: multiple libxfont2 packages: security update to 2.0.8-r0

high Tenable Cloud Security Plugin ID 444517

Description

There are packages installed that are affected by multiple vulnerabilities referenced in the following CVEs:

- 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)

- A heap bufferflow in pcfReadFont() due to missing glyph bounds checking in libXfont2 before 2.0.8 allows
attackers authenticated as X client to execute code within the X server. (CVE-2026-56002)

- A heap buffer overflow due to missing size checking in the property buffer when parsing PCF files in
libXfont2 ComputeScaledProperties() before libXfont2 before 2.0.8 could be used by attackers using
authenticated X clients to execute code within the X server. (CVE-2026-56003)

Solution

Update the libxfont2 library and its related packages to version 2.0.8-r0 or later.

See Also

https://security.alpinelinux.org/vuln/CVE-2026-56001

https://security.alpinelinux.org/vuln/CVE-2026-56002

https://security.alpinelinux.org/vuln/CVE-2026-56003

Plugin Details

Severity: High

ID: 444517

Version: Revision 1.1

Type: Local

Published: 7/8/2026

Updated: 7/8/2026

Supported Sensors: Agentless Assessment

Risk Information

CVSS v2

Risk Factor: High

Base Score: 7.1

Temporal Score: 5.3

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

CVSS Score Source: CVE-2026-56003

CVSS v3

Risk Factor: High

Base Score: 8.5

Temporal Score: 7.4

Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/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

Vulnerability Publication Date: 7/8/2026

Reference Information

CVE: CVE-2026-56001, CVE-2026-56002, CVE-2026-56003