PT-2026-33908 · Openexr · Openexr

Published 2026-04-21 · Updated 2026-05-11 · CVE-2026-40244

Positive Technologies (AI Summary)

CVSS v4.0

8.4

High

Base vector

AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions OpenEXR versions 3.4.0 through 3.4.9 OpenEXR versions 3.3.0 through 3.3.9 OpenEXR versions 3.2.0 through 3.2.7

Description An integer overflow occurs in the reference implementation of the EXR image storage format. Specifically, the file internal dwa compressor.h:1722 performs the calculation curc->width * curc->height using int32 arithmetic without a (size t) cast.

Recommendations Update versions 3.4.0 through 3.4.9 to 3.4.10. Update versions 3.3.0 through 3.3.9 to 3.3.10. Update versions 3.2.0 through 3.2.7 to 3.2.8.

Fix

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

CVE-2026-40244

OESA-2026-2179

OESA-2026-2180

OESA-2026-2181

OPENSUSE-SU-2026:10665-1

Affected Products

Openexr

References · 25

• https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-j526-66f6-fxhx · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-40244 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-40250 · Security Note
• https://cve.org/CVERecord?id=CVE-2026-40244 · Security Note
• https://osv.dev/vulnerability/BELL-CVE-2026-40244 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-40244 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-40244 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2026-2181 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2026-2179 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-40244 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-12-CVE-2026-40244 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2026:10665-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-40244 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2026-2180 · Vendor Advisory
• https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v3.4.10 · Note