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CVE-2026-5201

HighPublished

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

Published: Mar 31, 2026
Updated: Jul 15, 2026
Assigning CNA: redhat
Evidence observed: Aug 11, 2026

Primary CVSS

7.5/ 10High

nvd · CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS probability estimate

1.1%

Low · next 30 days

Percentile: 62.9%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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.

Sources

CVE-2026-5201PoC
CVE-2026-5201: Heap-based buffer overflow in gdk-pixbuf JPEG loader (CWE-122, CVSS 7.5)

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