RHEL 9 : libtiff (RHSA-2026:43537)

high Nessus Plugin ID 329065

Synopsis

The remote Red Hat host is missing a security update for libtiff.

Description

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:43537 advisory.

The libtiff packages contain a library of functions for manipulating Tagged Image File Format (TIFF) files.

Security Fix(es):

* libtiff: TIFFRasterScanlineSize64 produce too-big size and could cause OOM (CVE-2023-52355)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux 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 RHEL libtiff package based on the guidance in RHSA-2026:43537.

See Also

https://access.redhat.com/errata/RHSA-2026:43537

https://access.redhat.com/security/updates/classification/#moderate

https://bugzilla.redhat.com/show_bug.cgi?id=2251326

http://www.nessus.org/u?368f7040

Plugin Details

Severity: High

ID: 329065

File Name: redhat-RHSA-2026-43537.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 7/22/2026

Updated: 7/22/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.28

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

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

CVSS Score Source: CVE-2023-52355

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

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

Vulnerability Information

CPE: cpe:/o:redhat:rhel_eus:9.6, p-cpe:/a:redhat:enterprise_linux:libtiff-devel, p-cpe:/a:redhat:enterprise_linux:libtiff-tools, p-cpe:/a:redhat:enterprise_linux:libtiff

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/22/2026

Vulnerability Publication Date: 1/25/2024

Reference Information

CVE: CVE-2023-52355

CWE: 787

RHSA: 2026:43537