Detections
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Linux Distros Unpatched Vulnerability : CVE-2026-42250
medium Nessus Plugin ID 318082
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Synopsis
The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be patched.Description
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.
Solution
There is no known solution at this time.See Also
https://access.redhat.com/security/cve/cve-2026-42250
Plugin Details
Severity: Medium
ID: 318082
File Name: unpatched_CVE_2026_42250.nasl
Version: 1.4
Type: Local
Agent: unix
Family: Misc.
Published: 6/1/2026
Updated: 6/9/2026
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.4
CVSS v2
Risk Factor: Medium
Base Score: 4.3
Temporal Score: 3.7
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: 5.1
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:U/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:debian:debian_linux:11.0, p-cpe:/a:centos:centos:libkrun, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:redhat:enterprise_linux:gjs, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, p-cpe:/a:centos:centos:bzip2, p-cpe:/a:centos:centos:gjs, cpe:/o:redhat:enterprise_linux:6, p-cpe:/a:centos:centos:mingw32-bzip2, p-cpe:/a:centos:centos:sequoia-sq, p-cpe:/a:centos:centos:bzip2-libs, cpe:/o:debian:debian_linux:12.0, p-cpe:/a:redhat:enterprise_linux:mozjs60, cpe:/o:canonical:ubuntu_linux:25.10, p-cpe:/a:centos:centos:trustee-guest-components, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:redhat:enterprise_linux:mingw32-bzip2-static, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:redhat:enterprise_linux:mingw64-bzip2-static, p-cpe:/a:centos:centos:mingw32-bzip2-static, cpe:/o:centos:centos:8, p-cpe:/a:centos:centos:mozjs60, p-cpe:/a:redhat:enterprise_linux:mingw64-bzip2, cpe:/o:redhat:enterprise_linux:8, cpe:/o:debian:debian_linux:13.0, cpe:/o:redhat:enterprise_linux:10, cpe:/o:canonical:ubuntu_linux:14.04:-:lts, p-cpe:/a:centos:centos:mingw64-bzip2, p-cpe:/a:debian:debian_linux:bzip2, p-cpe:/a:centos:centos:mingw64-bzip2-static, p-cpe:/a:redhat:enterprise_linux:bzip2, p-cpe:/a:centos:centos:mozjs60-devel, p-cpe:/a:centos:centos:gjs-devel, p-cpe:/a:centos:centos:trustee-kbs, p-cpe:/a:centos:centos:goose, p-cpe:/a:canonical:ubuntu_linux:bzip2, p-cpe:/a:centos:centos:mingw-bzip2, cpe:/o:canonical:ubuntu_linux:26.04:-:lts, p-cpe:/a:redhat:enterprise_linux:mozjs60-devel, p-cpe:/a:redhat:enterprise_linux:trustee-guest-components, cpe:/o:centos:centos:7, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:bzip2-libs, p-cpe:/a:redhat:enterprise_linux:mingw32-bzip2, p-cpe:/a:redhat:enterprise_linux:bzip2-devel, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, cpe:/o:debian:debian_linux:14.0, p-cpe:/a:centos:centos:bzip2-devel, p-cpe:/a:redhat:enterprise_linux:goose, p-cpe:/a:redhat:enterprise_linux:mingw-bzip2, p-cpe:/a:redhat:enterprise_linux:sequoia-sq, p-cpe:/a:redhat:enterprise_linux:trustee-kbs, p-cpe:/a:redhat:enterprise_linux:libkrun, p-cpe:/a:redhat:enterprise_linux:gjs-devel
Required KB Items: Host/local_checks_enabled, Host/cpu, global_settings/vendor_unpatched, Host/OS/identifier
Exploit Ease: No known exploits are available
Vulnerability Publication Date: 5/28/2026
Reference Information
CVE: CVE-2026-42250