Detections
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Linux Distros Unpatched Vulnerability : CVE-2026-43951
medium Nessus Plugin ID 319910
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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.- Out-of-bounds Read vulnerability in Apache HTTP Server with mod_headers and mod_mime and multiple response languages. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67. (CVE-2026-43951)
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-2026-43951
Plugin Details
Severity: Medium
ID: 319910
File Name: unpatched_CVE_2026_43951.nasl
Version: 1.5
Type: Local
Agent: unix
Family: Misc.
Published: 6/9/2026
Updated: 6/20/2026
Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Low
Score: 3.3
CVSS v2
Risk Factor: Medium
Base Score: 6.4
Temporal Score: 5.4
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:P
CVSS Score Source: CVE-2026-43951
CVSS v3
Risk Factor: Medium
Base Score: 6.5
Temporal Score: 6
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Temporal Vector: CVSS:3.0/E:U/RL:U/RC:C
Vulnerability Information
CPE: cpe:/o:canonical:ubuntu_linux:20.04:-:lts, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, p-cpe:/a:redhat:enterprise_linux:httpd-filesystem, p-cpe:/a:redhat:enterprise_linux:mod_http2, p-cpe:/a:redhat:enterprise_linux:httpd-tools, p-cpe:/a:redhat:enterprise_linux:mod_md, p-cpe:/a:centos:centos:httpd-tools, p-cpe:/a:centos:centos:mod_session, p-cpe:/a:centos:centos:httpd-core, p-cpe:/a:centos:centos:httpd-devel, cpe:/o:debian:debian_linux:12.0, p-cpe:/a:redhat:enterprise_linux:mod_lua, p-cpe:/a:redhat:enterprise_linux:mod_ldap, cpe:/o:canonical:ubuntu_linux:25.10, cpe:/o:redhat:enterprise_linux:9, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:redhat:enterprise_linux:httpd-manual, cpe:/o:centos:centos:8, p-cpe:/a:centos:centos:httpd-manual, 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:mod_proxy_html, p-cpe:/a:redhat:enterprise_linux:httpd-devel, p-cpe:/a:redhat:enterprise_linux:mod_ssl, p-cpe:/a:centos:centos:mod_md, p-cpe:/a:canonical:ubuntu_linux:apache2, p-cpe:/a:redhat:enterprise_linux:mod_session, p-cpe:/a:centos:centos:mod_http2, p-cpe:/a:centos:centos:mod_ssl, p-cpe:/a:redhat:enterprise_linux:mod_proxy_html, cpe:/o:canonical:ubuntu_linux:26.04:-:lts, p-cpe:/a:debian:debian_linux:apache2, p-cpe:/a:redhat:enterprise_linux:httpd, p-cpe:/a:centos:centos:httpd-filesystem, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, p-cpe:/a:centos:centos:httpd, p-cpe:/a:centos:centos:mod_ldap, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, p-cpe:/a:centos:centos:mod_lua, p-cpe:/a:redhat:enterprise_linux:httpd-core
Required KB Items: Host/cpu, Host/local_checks_enabled, global_settings/vendor_unpatched, Host/OS/identifier
Exploit Ease: No known exploits are available
Vulnerability Publication Date: 6/8/2026
Reference Information
CVE: CVE-2026-43951