Stack-based buffer overflow in oiio - CVE-2026-59181
Published: July 13, 2026
Vulnerability identifier: #VU137382
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-59181
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: OpenImageIO
Affected software:
oiio
oiio
Detailed vulnerability description
The vulnerability allows a remote attacker to cause a denial of service or modify data.
The vulnerability exists due to stack-based buffer overflow in CineonInput::open() when parsing a crafted Cineon image file with an unchecked numberOfElements value. A remote attacker can trick the victim into opening a specially crafted .cin file to cause a denial of service or modify data.
User interaction is required to open a crafted file.
How to mitigate CVE-2026-59181
Install security update from vendor's website.