Detections
Analytics

AlmaLinux 9 : gawk (ALSA-2026:73512)

medium Nessus Plugin ID 352187

Synopsis

The remote AlmaLinux host is missing one or more security updates.

Description

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:73512 advisory.

 * gawk: gawk: Memory corruption via integer overflow (CVE-2026-40468)
 * gawk: Gawk: Buffer overflow in ftype() routine may lead to code execution or denial of service (CVE-2026-40553)
 * gawk: gawk: Denial of Service due to Use After Free vulnerability in io.c (CVE-2026-40467)

Tenable has extracted the preceding description block directly from the AlmaLinux 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 gawk and / or gawk-all-langpacks packages.

See Also

https://access.redhat.com/errata/RHSA-2026:73512

https://errata.almalinux.org/9/ALSA-2026-73512.html

Plugin Details

Severity: Medium

ID: 352187

File Name: alma_linux_ALSA-2026-73512.nasl

Version: 1.1

Type: Local

Published: 9/30/2026

Updated: 9/30/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.6

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7

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

CVSS Score Source: CVE-2026-40468

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 7.9

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:U/RL:O/RC:C

CVSS v4

Risk Factor: Medium

Base Score: 5.1

Threat Score: 1.2

Threat Vector: CVSS:4.0/E:U

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

CVSS Score Source: CVE-2026-40553

Vulnerability Information

CPE: cpe:/o:alma:linux:9, cpe:/o:alma:linux:9::appstream, cpe:/o:alma:linux:9::baseos, cpe:/o:alma:linux:9::crb, cpe:/o:alma:linux:9::highavailability, cpe:/o:alma:linux:9::nfv, cpe:/o:alma:linux:9::realtime, cpe:/o:alma:linux:9::resilientstorage, cpe:/o:alma:linux:9::sap, cpe:/o:alma:linux:9::sap_hana, cpe:/o:alma:linux:9::supplementary, p-cpe:/a:alma:linux:gawk-all-langpacks, p-cpe:/a:alma:linux:gawk

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/AlmaLinux/release, Host/AlmaLinux/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 9/29/2026

Vulnerability Publication Date: 7/13/2026

Reference Information

CVE: CVE-2026-40467, CVE-2026-40468, CVE-2026-40553

CWE: 121, 190, 825

RHSA: 2026:73512