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AlmaLinux 9.2 [TuxCare] Security Update: libsolv / libsolv-demo / libsolv-devel / libsolv-tools / perl-solv / etc (ALMALINUX9.2:CLSA-2026:1783524329)

high Nessus Plugin ID 352641

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Synopsis

The AlmaLinux host is missing one or more security updates.

Description

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1783524329 advisory.

 - 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 has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages based on the guidance in TuxCare advisory ALMALINUX9.2:CLSA-2026:1783524329.

See Also

https://cve.tuxcare.com/els/releases/CLSA-2026:1783524329

http://www.nessus.org/u?8f432e4d

Plugin Details

Severity: High

ID: 352641

File Name: tuxcare_alma_linux_9.2_CLSA-2026-1783524329.nasl

Version: 1.1

Type: Local

Published: 9/30/2026

Updated: 9/30/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.93

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.6

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

CVSS Score Source: CVE-2026-48864

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

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:O/RC:C

Vulnerability Information

Required KB Items: Host/OS/extended-third-party, Host/local_checks_enabled, Host/AlmaLinux/release, Host/AlmaLinux/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/8/2026

Vulnerability Publication Date: 5/26/2026

Reference Information

CVE: CVE-2026-48864

CLSA: 2026:1783524329