Linux Distros Unpatched Vulnerability : CVE-2026-48864

high Nessus Plugin ID 317038

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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 flaw was found in libsolv. This heap buffer overflow occurs during the decompression of attacker- controlled compressed data within `.solv` files due to insufficient input validation. An attacker can provide a specially crafted `.solv` file, which, when processed by a vulnerable application, can lead to out-of-bounds memory access. This could result in information disclosure, alteration of program execution, or a denial of service. (CVE-2026-48864)

Note that Nessus relies on the presence of the package as reported by the vendor.

Solution

There is no known solution at this time.

Plugin Details

Severity: High

ID: 317038

File Name: unpatched_CVE_2026_48864.nasl

Version: 1.3

Type: Local

Agent: unix

Family: Misc.

Published: 5/27/2026

Updated: 6/2/2026

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: 5.8

Temporal Score: 5.2

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

CVSS Score Source: CVE-2026-48864

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7.4

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:P/RL:U/RC:C

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:14.0, p-cpe:/a:centos:centos:libsolv-tools, cpe:/o:centos:centos:8, cpe:/o:debian:debian_linux:11.0, p-cpe:/a:redhat:enterprise_linux:libsolv-tools-base, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, cpe:/o:centos:centos:7, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, p-cpe:/a:centos:centos:libsolv, p-cpe:/a:canonical:ubuntu_linux:libsolv, p-cpe:/a:debian:debian_linux:libsolv, cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:enterprise_linux:10, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:libsolv-devel, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:25.10, p-cpe:/a:redhat:enterprise_linux:python2-solv, cpe:/o:debian:debian_linux:13.0, p-cpe:/a:redhat:enterprise_linux:python3-solv, p-cpe:/a:centos:centos:libsolv-tools-base, p-cpe:/a:centos:centos:python2-solv, p-cpe:/a:redhat:enterprise_linux:libsolv, p-cpe:/a:redhat:enterprise_linux:libsolv-demo, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:centos:centos:python3-solv, cpe:/o:canonical:ubuntu_linux:26.04:-:lts, p-cpe:/a:centos:centos:libsolv-devel, p-cpe:/a:redhat:enterprise_linux:libsolv-tools, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:centos:centos:libsolv-demo, cpe:/o:debian:debian_linux:12.0

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: 5/26/2026

Reference Information

CVE: CVE-2026-48864

Detections

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