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CVE-2026-40250

HIGH

7.1

Description

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. In versions 3.4.0 through 3.4.9, 3.3.0 through 3.3.9, and 3.2.0 through 3.2.7, `internal_dwa_compressor.h:1040` performs `chan->width * chan->bytes_per_element` in `int32` arithmetic without a `(size_t)` cast. This is the same overflow pattern fixed in other decoders by CVE-2026-34589/34588/34544, but this line was missed. Versions 3.4.10, 3.3.10, and 3.2.8 contain a fix that addresses `internal_dwa_compressor.h:1040`.

Details CVE

Score CVSS v3.17.1

SeveriteHIGH

Vecteur CVSSCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H

Vecteur d'attaqueLOCAL

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurREQUIRED

Publie4/21/2026

Derniere modification4/22/2026

Sourcenvd

Observations honeypot0

Produits affectes

openexr:openexr

Faiblesses (CWE)

CWE-190

References

https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v3.2.8(security-advisories@github.com)

https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v3.3.10(security-advisories@github.com)

https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v3.4.10(security-advisories@github.com)

https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-m5qw-23x2-6phj(security-advisories@github.com)

Correlations IOC

Aucune correlation enregistree

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