Detections
Analytics

Linux Distros Unpatched Vulnerability : CVE-2026-32776

medium Nessus Plugin ID 302511

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.

 - libexpat before 2.7.5 allows a NULL pointer dereference with empty external parameter entity content.
 (CVE-2026-32776)

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-2026-32776

Plugin Details

Severity: Medium

ID: 302511

File Name: unpatched_CVE_2026_32776.nasl

Version: 1.1

Type: local

Agent: unix

Family: Misc.

Published: 3/16/2026

Updated: 3/16/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 4.3

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

CVSS Score Source: CVE-2026-32776

CVSS v3

Risk Factor: Medium

Base Score: 4

Temporal Score: 3.7

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

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

Vulnerability Information

CPE: p-cpe:/a:centos:centos:expat-static, p-cpe:/a:redhat:enterprise_linux:expat-devel, cpe:/o:redhat:enterprise_linux:6, p-cpe:/a:centos:centos:expat-devel, p-cpe:/a:centos:centos:mingw64-expat, p-cpe:/a:redhat:enterprise_linux:mingw32-expat, p-cpe:/a:redhat:enterprise_linux:expat, cpe:/o:redhat:enterprise_linux:9, cpe:/o:centos:centos:8, cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:enterprise_linux:10, p-cpe:/a:centos:centos:expat, p-cpe:/a:redhat:enterprise_linux:mingw-expat, p-cpe:/a:redhat:enterprise_linux:mingw64-expat, p-cpe:/a:centos:centos:compat-expat1, p-cpe:/a:centos:centos:mingw-expat, p-cpe:/a:centos:centos:mingw32-expat, cpe:/o:centos:centos:7, p-cpe:/a:redhat:enterprise_linux:compat-expat1, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:expat-static

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: 3/16/2026

Reference Information

CVE: CVE-2026-32776