RHSA-2026:33456: Important: giflib security update

Published Jun 30, 2026
·
Updated

giflib is a library for reading and writing gif images.Security Fix(es): giflib: giflib: Denial of Service via buffer overflow in EGifGCBToExtension (CVE-2026-26740) 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.

Affected Software

16 affected componentsFixes available
Red Hat Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Update Support Extension
Red Hat Red Hat Enterprise Linux Server - TUS
Red Hat Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions
redhat/giflib<5.1.4-3.el8_8.2
5.1.4-3.el8_8.2
redhat/giflib<5.1.4-3.el8_8.2
5.1.4-3.el8_8.2
redhat/giflib-debuginfo<5.1.4-3.el8_8.2
5.1.4-3.el8_8.2
redhat/giflib-debuginfo<5.1.4-3.el8_8.2
5.1.4-3.el8_8.2
redhat/giflib-debugsource<5.1.4-3.el8_8.2
5.1.4-3.el8_8.2
redhat/giflib-debugsource<5.1.4-3.el8_8.2
5.1.4-3.el8_8.2
redhat/giflib-utils-debuginfo<5.1.4-3.el8_8.2
5.1.4-3.el8_8.2
redhat/giflib-utils-debuginfo<5.1.4-3.el8_8.2
5.1.4-3.el8_8.2
redhat/giflib<5.1.4-3.el8_8.2
5.1.4-3.el8_8.2
redhat/giflib-debuginfo<5.1.4-3.el8_8.2
5.1.4-3.el8_8.2
redhat/giflib-debugsource<5.1.4-3.el8_8.2
5.1.4-3.el8_8.2
redhat/giflib-utils-debuginfo<5.1.4-3.el8_8.2
5.1.4-3.el8_8.2

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/giflib to a version that resolves this vulnerability.

    Fixed in 5.1.4-3.el8_8.2
  2. Upgrade

    Upgrade redhat/giflib-debuginfo to a version that resolves this vulnerability.

    Fixed in 5.1.4-3.el8_8.2
  3. Upgrade

    Upgrade redhat/giflib-debugsource to a version that resolves this vulnerability.

    Fixed in 5.1.4-3.el8_8.2
  4. Upgrade

    Upgrade redhat/giflib-utils-debuginfo to a version that resolves this vulnerability.

    Fixed in 5.1.4-3.el8_8.2

Event History

Jun 30, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·09:39 AM
Data Sourced
via Red Hat·09:39 AM
Severity
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Frequently Asked Questions

1

What is the severity of RHSA-2026:33456?

The severity of RHSA-2026:33456 is rated as high with a score of 7.

2

How do I fix RHSA-2026:33456?

To fix RHSA-2026:33456, update the giflib package to the latest version available for your system.

3

What vulnerabilities does RHSA-2026:33456 address?

RHSA-2026:33456 addresses security vulnerabilities in the giflib package that may lead to a denial of service or arbitrary code execution.

4

Which systems are affected by RHSA-2026:33456?

RHSA-2026:33456 affects Red Hat Enterprise Linux Server for Power LE, x86_64, and related versions under Extended Update Support.

5

When was RHSA-2026:33456 published?

RHSA-2026:33456 was published on June 30, 2026.

Company

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RHSA-2026:33456 - Important: giflib security update - SecAlerts