Detections
Analytics
Linux Distros Unpatched Vulnerability : CVE-2026-32777
medium Nessus Plugin ID 302508
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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.- libexpat before 2.7.5 allows an infinite loop while parsing DTD content. (CVE-2026-32777)
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-2026-32777
Plugin Details
Severity: Medium
ID: 302508
File Name: unpatched_CVE_2026_32777.nasl
Version: 1.7
Type: Local
Agent: unix
Family: Misc.
Published: 3/16/2026
Updated: 3/23/2026
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: 4.6
Temporal Score: 4.1
Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C
CVSS Score Source: CVE-2026-32777
CVSS v3
Risk Factor: Medium
Base Score: 5.5
Temporal Score: 5.2
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Temporal Vector: CVSS:3.0/E:P/RL:U/RC:C
Vulnerability Information
CPE: cpe:/o:debian:debian_linux:11.0, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, p-cpe:/a:centos:centos:expat-static, p-cpe:/a:canonical:ubuntu_linux:cableswig, p-cpe:/a:redhat:enterprise_linux:expat-devel, cpe:/o:redhat:enterprise_linux:6, p-cpe:/a:canonical:ubuntu_linux:cadaver, p-cpe:/a:canonical:ubuntu_linux:coin3, p-cpe:/a:centos:centos:expat-devel, p-cpe:/a:canonical:ubuntu_linux:ayttm, p-cpe:/a:canonical:ubuntu_linux:smart, cpe:/o:debian:debian_linux:12.0, p-cpe:/a:canonical:ubuntu_linux:vtk, p-cpe:/a:centos:centos:mingw64-expat, p-cpe:/a:redhat:enterprise_linux:mingw32-expat, p-cpe:/a:redhat:enterprise_linux:expat, cpe:/o:canonical:ubuntu_linux:25.10, cpe:/o:redhat:enterprise_linux:9, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:centos:centos:8, p-cpe:/a:canonical:ubuntu_linux:vnc4, p-cpe:/a:canonical:ubuntu_linux:xmlrpc-c, cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:enterprise_linux:10, cpe:/o:debian:debian_linux:13.0, cpe:/o:canonical:ubuntu_linux:14.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:matanza, p-cpe:/a:centos:centos:expat, p-cpe:/a:debian:debian_linux:expat, p-cpe:/a:canonical:ubuntu_linux: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, p-cpe:/a:canonical:ubuntu_linux:tdom, p-cpe:/a:canonical:ubuntu_linux:wbxml2, p-cpe:/a:canonical:ubuntu_linux:insighttoolkit4, cpe:/o:centos:centos:7, p-cpe:/a:redhat:enterprise_linux:compat-expat1, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:canonical:ubuntu_linux:swish-e, p-cpe:/a:canonical:ubuntu_linux:gdcm, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libxmltok, 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 Available: true
Exploit Ease: Exploits are available
Vulnerability Publication Date: 3/16/2026
Reference Information
CVE: CVE-2026-32777