Buffer overflow in Academysoftwarefoundation Openexr
CVE-2026-45696
OpenEXR is the reference implementation and specification for the EXR image format, widely used in the motion picture industry. In versions 3.4.0 through 3.4.11, the HTJ2K (High-Throughput JPEG 2000) decoder, ht_undo_impl() in OpenEXRCore…
Vulnerability class: Buffer Overflow
EPSS: 0.003 (21.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Academysoftwarefoundation Openexr — versions >= 3.4.0, < 3.4.11
- Openexr
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_MISC, Release Notes)
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Frequently asked questions
- What is CVE-2026-45696?
- CVE-2026-45696 is a medium-severity vulnerability in Academysoftwarefoundation Openexr, classified under Heap-based Buffer Overflow. CVSS score: 6.5/10. Published 2026-06-18.
- How severe is CVE-2026-45696?
- Medium severity. CVSS v3 base score is 6.5 out of 10.