CVE-2026-5201 Gdk-pixbuf: gdk-pixbuf: denial of service via heap-based buffer overflow when processing a specially crafted jpeg image

What is CVE-2026-5201?

CVE-2026-5201 is a high-severity memory corruption vulnerability in Redhat Enterprise Linux, published on 31 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A flaw was found in the gdk-pixbuf library. This heap-based buffer overflow vulnerability occurs in the JPEG image loader due to improper validation of color component counts when processing a specially crafted JPEG image. A remote attacker can exploit this flaw without user interaction, for example, via thumbnail generation. Successful exploitation leads to application crashes and denial of service (DoS) conditions.

Weakness: CWE-122

Which versions are affected by CVE-2026-5201?

It affects 18 products.

Products include Gnome Gdk-Pixbuf, Redhat Ai Inference Server, Redhat Enterprise Linux, Redhat Enterprise Linux Aus, Redhat Enterprise Linux Els, Redhat Enterprise Linux Eus and 12 more.

How do I fix CVE-2026-5201?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-5201 being exploited?

There is no known exploitation of CVE-2026-5201 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Other vulnerabilities in Redhat Enterprise Linux

• CVE-2017-12447 Memory corruption in n/a High 7.8
• CVE-2015-7673 Memory corruption in n/a Medium 6.8
• CVE-2012-2370 Integer overflow in n/a Medium 5.0
• CVE-2011-2485 Denial of service in n/a Medium 4.3

All Redhat Enterprise Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALSA-2026:10707, ALSA-2026:10708, ALSA-2026:10741, ALSA-2026:19127, ALSA-2026:19210, AZL-81435 and 48 more.