Detections
Analytics
Linux Distros Unpatched Vulnerability : CVE-2026-120433
high Nessus Plugin ID 375289
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.- Netpbm before 10.86.51, 11.x before 11.02.30, and 11.03 before 11.15.08 contains a stack-based buffer overflow in the picttoppm paintPoly() function due to an unbounded polygon point count. Attackers can supply a crafted PICT file with a polygon exceeding 100 points to overwrite the fixed pts array, causing crashes or potentially code execution. (CVE-2026-120433)
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-2026-120433
Plugin Details
Severity: High
ID: 375289
File Name: unpatched_CVE_2026_120433.nasl
Version: 1.4
Type: Local
Agent: unix
Family: Misc.
Published: 11/2/2026
Updated: 11/5/2026
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.9
Percentile: 58.37
CVSS v2
Risk Factor: High
Base Score: 8.3
Temporal Score: 7.1
Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:P/A:P
CVSS Score Source: CVE-2026-120433
CVSS v3
Risk Factor: High
Base Score: 7.8
Temporal Score: 7.1
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:U/RL:U/RC:C
CVSS v4
Risk Factor: High
Base Score: 8.5
Threat Score: 5.9
Threat Vector: CVSS:4.0/E:U
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Vulnerability Information
CPE: cpe:/a:redhat:enterprise_linux:10, cpe:/a:redhat:enterprise_linux:8, cpe:/a:redhat:enterprise_linux:9, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, cpe:/o:canonical:ubuntu_linux:26.04:-:lts, cpe:/o:canonical:ubuntu_linux:26.10, cpe:/o:centos:centos:8, cpe:/o:debian:debian_linux:12.0, cpe:/o:debian:debian_linux:13.0, cpe:/o:debian:debian_linux:14.0, cpe:/o:redhat:enterprise_linux:10, cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:canonical:ubuntu_linux:netpbm-free, p-cpe:/a:centos:centos:netpbm-devel, p-cpe:/a:centos:centos:netpbm-doc, p-cpe:/a:centos:centos:netpbm-progs, p-cpe:/a:centos:centos:netpbm, p-cpe:/a:debian:debian_linux:netpbm-free, p-cpe:/a:redhat:enterprise_linux:netpbm-devel, p-cpe:/a:redhat:enterprise_linux:netpbm-doc, p-cpe:/a:redhat:enterprise_linux:netpbm-progs, p-cpe:/a:redhat:enterprise_linux:netpbm
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: 11/2/2026
Reference Information
CVE: CVE-2026-120433