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CVE-2026-40250

HIGH

7.1

Beschreibung

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`.

CVE Details

CVSS v3.1 Bewertung7.1

SchweregradHIGH

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

AngriffsvektorLOCAL

KomplexitatLOW

Erforderliche PrivilegienNONE

BenutzerinteraktionREQUIRED

Veroffentlicht4/21/2026

Zuletzt geandert4/22/2026

Quellenvd

Honeypot-Sichtungen0

Betroffene Produkte

openexr:openexr

Schwachen (CWE)

CWE-190

Referenzen

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)

IOC Korrelationen

Keine Korrelationen erfasst

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