RHEL 7 : perl-GD (RHSA-2026:49758)

critical Nessus Plugin ID 331805

Synopsis

The remote Red Hat host is missing a security update for perl-GD.

Description

The remote Redhat Enterprise Linux 7 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:49758 advisory.

This is a autoloadable interface module for GD, a popular library for creating and manipulating PNG files.
With this library you can create PNG images on the fly or modify existing files.

Security Fix(es):

* perl-GD: perl-GD: Arbitrary command execution and file overwrite via crafted filenames (CVE-2026-11526)

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 perl-GD package based on the guidance in RHSA-2026:49758.

Plugin Details

Severity: Critical

ID: 331805

File Name: redhat-RHSA-2026-49758.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Red Hat Local Security Checks

Published: 8/3/2026

Updated: 8/3/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.9

Percentile: 96.84

Vendor

Vendor Severity: Critical

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-2026-11526

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:redhat:enterprise_linux:7, cpe:/o:redhat:rhel_els:7, p-cpe:/a:redhat:enterprise_linux:perl-gd

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

Exploit Ease: No known exploits are available

Patch Publication Date: 8/3/2026

Vulnerability Publication Date: 6/10/2026

Reference Information

CVE: CVE-2026-11526

CWE: 78

RHSA: 2026:49758

Detections

Analytics