Vulnerability details

CVE-2026-43906

AcademySoftwareFoundation OpenImageIO

OpenImageIO: HEIF Heap overflow

CVSS 4.0
8.5High

Official description

OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant to VFX / animation. Prior to 3.0.18.0 and 3.1.13.0, a heap-based buffer overflow in the HEIF decoder of OpenImageIO allows out-of-bounds writes via crafted images due to a subimage metadata mismatch, leading to memory corruption and potential code execution. This vulnerability is fixed in 3.0.18.0 and 3.1.13.0.

CVSS scores

ScoreVersionSourceVector
8.5High 4.0 CVEProject cvelistV5 (CNA) (GitHub_M) CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Affected products

VendorProductVersionsSource
AcademySoftwareFoundation OpenImageIO < 3.0.18.0 CVEProject cvelistV5 (CNA)
AcademySoftwareFoundation OpenImageIO >= 3.1.4.0-beta, < 3.1.13.0 CVEProject cvelistV5 (CNA)

References and advisories

1
Kolun on Telegram @kolunsec Exploited CVEs, key news and a daily digest Alerts for this product's next CVEsFollow the product to get new vulnerabilities on Telegram.

Details

Published
2026-05-14
Last updated
2026-05-15
State
Published
Assigner (CNA)
GitHub_M

Exploit prediction (EPSS)

0.18%
Probability of exploitation in 30 days
8.4%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
Proof of concept
Technical impact
Total

Weaknesses (CWE)

  • CWE-122
    Heap-based Buffer Overflow