CVE-2026-103641 Gegl: gegl04: gegl: out-of-bounds read in the radiance hdr uncompressed scanline decoder

Medium 5.5 Published Updated

An out-of-bounds read in the GEGL Radiance HDR loader allows attackers to crash applications by opening crafted image files.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-103641?

CVE-2026-103641 is a medium-severity memory corruption vulnerability in Red Hat Enterprise Linux 10, published on 1 Oct 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

A flaw was found in GEGL. The Radiance HDR loader reads past the end of a memory-mapped image when an uncompressed scanline is shorter than the width declared in the file header. Opening a crafted HDR file crashes the application that uses the loader.

Weakness: CWE-125

Which versions are affected by CVE-2026-103641?

How do I fix CVE-2026-103641?

No fix has been published for CVE-2026-103641 yet. Limit exposure of the affected software until one is available.

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

Is CVE-2026-103641 being exploited?

There is no known exploitation of CVE-2026-103641 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2026-103641, GHSA-xgjx-3hgh-j2p3, UBUNTU-CVE-2026-103641.

Is CVE-2026-103641 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free