Detections
Analytics
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
Plugin Details
Severity: High
ID: 444517
Version: Revision 1.4
Type: Local
Published: 7/8/2026
Updated: 7/14/2026
Supported Sensors: Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security
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-2026-56003
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
Vulnerability Publication Date: 7/8/2026