EulerOS 2.0 SP12 : libXfont2 (EulerOS-SA-2026-3272)

high Nessus Plugin ID 343690

Synopsis

The remote EulerOS host is missing multiple security updates.

Description

According to the versions of the libXfont2 packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

A heap buffer overflow 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)

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)

Tenable has extracted the preceding description block directly from the EulerOS libXfont2 security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected libXfont2 packages.

See Also

http://www.nessus.org/u?6a389c3f

Plugin Details

Severity: High

ID: 343690

File Name: EulerOS_SA-2026-3272.nasl

Version: 1.1

Type: Local

Published: 9/8/2026

Updated: 9/8/2026

Supported Sensors: Nessus

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

CPE: cpe:/o:huawei:euleros:2.0, p-cpe:/a:huawei:euleros:libxfont2-help, p-cpe:/a:huawei:euleros:libxfont2

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/EulerOS/release, Host/EulerOS/rpm-list, Host/EulerOS/sp

Excluded KB Items: Host/EulerOS/uvp_version

Exploit Ease: No known exploits are available

Patch Publication Date: 9/8/2026

Vulnerability Publication Date: 7/8/2026

Reference Information

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