Detections
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Linux Distros Unpatched Vulnerability : CVE-2026-40510

low Nessus Plugin ID 321650

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.

 - OpenSC before 0.27.0-rc1, fixed in commit 3f24f0b, contains a stack buffer overflow vulnerability in piv_process_history() in src/libopensc/card-piv.c that allows physically present attackers to trigger memory corruption by presenting a crafted PIV smart card or USB device returning a URL field longer than 118 bytes in the Key History Object ASN.1 response. (CVE-2026-40510)

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-2026-40510

Plugin Details

Severity: Low

ID: 321650

File Name: unpatched_CVE_2026_40510.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Misc.

Published: 6/20/2026

Updated: 6/20/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v3

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 6.2

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

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

CVSS Score Source: CVE-2026-40510

CVSS v4

Risk Factor: Low

Base Score: 1

Threat Score: 0.1

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:P/AC:H/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

CVSS Score Source: CVE-2026-40510

Vulnerability Information

CPE: p-cpe:/a:centos:centos:opensc, cpe:/o:centos:centos:7, p-cpe:/a:redhat:enterprise_linux:opensc, cpe:/o:redhat:enterprise_linux:7, cpe:/o:redhat:enterprise_linux:9, cpe:/o:centos:centos:8, cpe:/o:redhat:enterprise_linux:10, p-cpe:/a:centos:centos:opensc-libs, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:opensc-libs

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: 5/29/2026

Reference Information

CVE: CVE-2026-40510