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EulerOS 2.0 SP13 : bzip2 (EulerOS-SA-2026-2959)

medium Nessus Plugin ID 332856

Synopsis

The remote EulerOS host is missing a security update.

Description

According to the versions of the bzip2 packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

 bzip2 contains an offbyone error in the bzip2recover utility. When processing a specially crafted file, the application performs an outofbounds write to a global buffer, resulting in memory corruption and a crash (denial of service).

 This issue was fixed in bzip2 patch 35d122a3df8b0cc4082a4d89fdc6ee99f375fe67(CVE-2026-42250)

Tenable has extracted the preceding description block directly from the EulerOS bzip2 security advisory.

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

Solution

Update the affected bzip2 packages.

See Also

http://www.nessus.org/u?572bd021

Plugin Details

Severity: Medium

ID: 332856

File Name: EulerOS_SA-2026-2959.nasl

Version: 1.1

Type: Local

Published: 8/6/2026

Updated: 8/6/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.77

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

CVSS Score Source: CVE-2026-42250

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: Medium

Base Score: 4.8

Threat Score: 1.1

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Vulnerability Information

CPE: cpe:/o:huawei:euleros:2.0, p-cpe:/a:huawei:euleros:bzip2-devel, p-cpe:/a:huawei:euleros:bzip2-help, p-cpe:/a:huawei:euleros:bzip2

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: 8/6/2026

Vulnerability Publication Date: 5/28/2026

Reference Information

CVE: CVE-2026-42250