SUSE SLES12 Security Update : giflib (SUSE-SU-2026:2667-1)

high Nessus Plugin ID 323247

Synopsis

The remote SUSE host is missing a security update.

Description

The remote SUSE Linux SLES12 host has packages installed that are affected by a vulnerability as referenced in the SUSE- SU-2026:2667-1 advisory.

This update for giflib fixes the following issue

- CVE-2026-26740: heap out-of-bounds read when processing a specially crafted GIF file containing a GCE block with a truncated extension byte count (bsc#1259836).

Tenable has extracted the preceding description block directly from the SUSE 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 giflib-devel, giflib-progs, libgif6 and / or libgif6-32bit packages.

Plugin Details

Severity: High

ID: 323247

File Name: suse_SU-2026-2667-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 6/27/2026

Updated: 6/27/2026

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: Medium

Score: 5.0

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 7

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

CVSS Score Source: CVE-2026-26740

CVSS v3

Risk Factor: High

Base Score: 8.2

Temporal Score: 7.4

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

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

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:12, p-cpe:/a:novell:suse_linux:giflib-devel, p-cpe:/a:novell:suse_linux:libgif6-32bit, p-cpe:/a:novell:suse_linux:libgif6, p-cpe:/a:novell:suse_linux:giflib-progs

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/26/2026

Vulnerability Publication Date: 3/18/2026

Reference Information

CVE: CVE-2026-26740

SuSE: SUSE-SU-2026:2667-1

Detections

Analytics