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

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-01 · updated 2026-10-01
Weakness: CWE-125

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.

Affected products

Red Hat Enterprise Linux 10: all versions
Red Hat Enterprise Linux 7: all versions
Red Hat Enterprise Linux 8: all versions
Red Hat Enterprise Linux 9: all versions

References

https://access.redhat.com/security/cve/CVE-2026-103641
https://bugzilla.redhat.com/show_bug.cgi?id=2544420

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