Detections
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Linux Distros Unpatched Vulnerability : CVE-2025-15536
medium Nessus Plugin ID 291616
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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.- A weakness has been identified in BYVoid OpenCC up to 1.1.9. This vulnerability affects the function opencc::MaxMatchSegmentation of the file src/MaxMatchSegmentation.cpp. This manipulation causes heap-based buffer overflow. The attack is restricted to local execution. The exploit has been made available to the public and could be used for attacks. Patch name: 345c9a50ab07018f1b4439776bad78a0d40778ec. To fix this issue, it is recommended to deploy a patch. (CVE-2025-15536)
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-2025-15536
Plugin Details
Severity: Medium
ID: 291616
File Name: unpatched_CVE_2025_15536.nasl
Version: 1.2
Type: local
Agent: unix
Family: Misc.
Published: 1/19/2026
Updated: 1/21/2026
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
CVSS v2
Risk Factor: Medium
Base Score: 4.4
Temporal Score: 3.7
Vector: CVSS2#AV:L/AC:M/Au:N/C:P/I:P/A:P
CVSS Score Source: CVE-2025-15536
CVSS v3
Risk Factor: High
Base Score: 7.3
Temporal Score: 6.7
Vector: CVSS:3.0/AV:L/AC:L/PR:L/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: 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:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
Vulnerability Information
CPE: cpe:/o:debian:debian_linux:11.0, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:redhat:enterprise_linux:opencc-tools, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, cpe:/o:debian:debian_linux:12.0, cpe:/o:canonical:ubuntu_linux:25.10, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:centos:centos:opencc-tools, cpe:/o:debian:debian_linux:13.0, p-cpe:/a:centos:centos:opencc-doc, p-cpe:/a:redhat:enterprise_linux:opencc, p-cpe:/a:canonical:ubuntu_linux:opencc, p-cpe:/a:centos:centos:opencc, p-cpe:/a:debian:debian_linux:opencc, 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:opencc-devel, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, cpe:/o:debian:debian_linux:14.0, p-cpe:/a:centos:centos:opencc-devel, p-cpe:/a:redhat:enterprise_linux:opencc-doc
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: 1/18/2026
Reference Information
CVE: CVE-2025-15536