bzip2 contains an off‑by‑one error in the bzip2recover utility. When processing a specially crafted file, the application performs an out‑of‑bounds write to a global buffer, resulting in memory corruption and a crash (denial of service). This issue was fixed in bzip2 patch 35d122a3df8b0cc4082a4d89fdc6ee99f375fe67

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-099542 advisory.

    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 patch35d122a3df8b0cc4082a4d89fdc6ee99f375fe67

Tenable has extracted the preceding description block directly from the Unity Linux security advisory.

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

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.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - 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)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	Name	Product	Family	Type	Severity
336296	Unity Linux 20.1070e Security Update: bzip2 (UTSA-2026-099542)	Nessus	Unity Linux Local Security Checks	Local	medium
333464	EulerOS 2.0 SP11 : bzip2 (EulerOS-SA-2026-3060)	Nessus	Huawei Local Security Checks	Local	medium
333451	EulerOS 2.0 SP11 : bzip2 (EulerOS-SA-2026-3115)	Nessus	Huawei Local Security Checks	Local	medium
332902	EulerOS 2.0 SP13 : bzip2 (EulerOS-SA-2026-3009)	Nessus	Huawei Local Security Checks	Local	medium
332856	EulerOS 2.0 SP13 : bzip2 (EulerOS-SA-2026-2959)	Nessus	Huawei Local Security Checks	Local	medium
318082	Linux Distros Unpatched Vulnerability : CVE-2026-42250	Nessus	Misc.	Local	medium

Detections

Analytics

CVE-2026-42250

medium

Tenable Plugins

medium

medium

medium

medium

medium

medium