Rocky Linux 10.0 [CIQ] Security Update: libxml2 / libxml2-debuginfo / libxml2-debugsource / libxml2-devel / etc Multiple Vulnerabilities (crlsa-2025_10630)

critical Nessus Plugin ID 357655

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Synopsis

The Rocky Linux host is missing one or more security updates.

Description

The Rocky Linux 10.0 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-2025_10630 advisory.

* libxml: Heap use after free (UAF) leads to Denial of service (DoS) (CVE-2025-49794)

* libxml: Null pointer dereference leads to Denial of service (DoS) (CVE-2025-49795)

* libxml: Type confusion leads to Denial of service (DoS) (CVE-2025-49796)

* libxml2: Integer Overflow in xmlBuildQName() Leads to Stack Buffer Overflow in libxml2 (CVE-2025-6021)

Tenable has extracted the preceding description block directly from the CIQ security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages based on the guidance in CIQ advisory crlsa-2025_10630.

Plugin Details

Severity: Critical

ID: 357655

File Name: ciq_rocky_linux_10_0_crlsa-2025_10630.nasl

Version: 1.2

Type: Local

Family: Rocky Linux Local Security Checks

Published: 10/1/2026

Updated: 10/2/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.3

Percentile: 96.81

Vendor

Vendor Severity: Unknown

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7.4

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

CVSS Score Source: CVE-2025-49796

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 8.2

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/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/RockyLinux/release, Host/RockyLinux/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/3/2025

Vulnerability Publication Date: 6/16/2025

Reference Information

CVE: CVE-2025-49794, CVE-2025-49795, CVE-2025-49796, CVE-2025-6021

Detections

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