Buffer overflow in Academysoftwarefoundation Openexr
CVE-2026-34544
OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From version 3.4.0 to before version 3.4.8, a crafted B44 or B44A EXR file can cause an out-of…
Vulnerability class: Integer Overflow
EPSS: 0.002 (15.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Academysoftwarefoundation Openexr — versions >= 3.4.0, < 3.4.8
- Openexr
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Product, x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2026-34544?
- CVE-2026-34544 is a high-severity vulnerability in Academysoftwarefoundation Openexr, classified under Integer Overflow or Wraparound. CVSS score: 7.3/10. Published 2026-04-01.
- How severe is CVE-2026-34544?
- High severity. CVSS v3 base score is 7.3 out of 10.