Rocky Linux 9 [CIQ] Security Update: glibc / glibc-all-langpacks / glibc-benchtests / etc Multiple Vulnerabilities (crlsa-2026_2786)

high Nessus Plugin ID 358484

Synopsis

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

Description

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-2026_2786 advisory.

* glibc: Integer overflow in memalign leads to heap corruption (CVE-2026-0861)

* glibc: glibc: Information disclosure via zero-valued network query (CVE-2026-0915)

* glibc: wordexp with WRDE_REUSE and WRDE_APPEND may return uninitialized memory (CVE-2025-15281)

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-2026_2786.

See Also

https://access.redhat.com/errata/RHSA-2026:2786

https://bugzilla.redhat.com/show_bug.cgi?id=2429771

https://bugzilla.redhat.com/show_bug.cgi?id=2430201

https://bugzilla.redhat.com/show_bug.cgi?id=2431196

https://errata.build.resf.org/RLSA-2026:2786

http://www.nessus.org/u?08f5ac65

http://www.nessus.org/u?8511d7ec

Plugin Details

Severity: High

ID: 358484

File Name: ciq_rocky_linux_9_crlsa-2026_2786.nasl

Version: 1.1

Type: Local

Published: 10/1/2026

Updated: 10/1/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 94.05

Vendor

Vendor Severity: Unknown

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

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

CVSS Score Source: CVE-2026-0915

CVSS v3

Risk Factor: High

Base Score: 8.4

Temporal Score: 7.6

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

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS Score Source: CVE-2026-0861

Vulnerability Information

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2/24/2026

Vulnerability Publication Date: 1/12/2026

Reference Information

CVE: CVE-2025-15281, CVE-2026-0861, CVE-2026-0915