Heap-based buffer overflow in oiio - CVE-2024-55194
Published: July 13, 2026
Vulnerability identifier: #VU137379
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-55194
CWE-ID: CWE-122
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 heap-based buffer overflow.
The vulnerability exists due to a heap-based buffer overflow in src/include/OpenImageIO/fmath.h when processing a corrupted or truncated pgm file. A remote attacker can supply a specially crafted pgm file to cause a heap-based buffer overflow.
The issue was observed while fuzzing oiiotool, including during use of the --autotrim and --printstats options.
How to mitigate CVE-2024-55194
Install security update from vendor's website.