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AlmaLinux 8 : libtiff (ALSA-2026:69095)

critical Nessus Plugin ID 348602

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Synopsis

The remote AlmaLinux host is missing a security update.

Description

The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:69095 advisory.

 * libtiff: libtiff: Arbitrary code execution via process_command_opts() function (CVE-2026-52490)

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

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 libtiff, libtiff-devel and / or libtiff-tools packages.

See Also

https://access.redhat.com/errata/RHSA-2026:69095

https://errata.almalinux.org/8/ALSA-2026-69095.html

Plugin Details

Severity: Critical

ID: 348602

File Name: alma_linux_ALSA-2026-69095.nasl

Version: 1.1

Type: Local

Published: 9/21/2026

Updated: 9/21/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.28

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2026-52490

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

CPE: cpe:/o:alma:linux:8, cpe:/o:alma:linux:8::appstream, cpe:/o:alma:linux:8::baseos, cpe:/o:alma:linux:8::highavailability, cpe:/o:alma:linux:8::nfv, cpe:/o:alma:linux:8::powertools, cpe:/o:alma:linux:8::realtime, cpe:/o:alma:linux:8::resilientstorage, cpe:/o:alma:linux:8::sap, cpe:/o:alma:linux:8::sap_hana, cpe:/o:alma:linux:8::supplementary, p-cpe:/a:alma:linux:libtiff-devel, p-cpe:/a:alma:linux:libtiff-tools, p-cpe:/a:alma:linux:libtiff

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: 9/21/2026

Vulnerability Publication Date: 8/24/2026

Reference Information

CVE: CVE-2026-52490

CWE: 78

RHSA: 2026:69095