NULL pointer dereference in OpenEXR - CVE-2025-48073
Published: April 8, 2026
Vulnerability identifier: #VU125321
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-48073
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to a null pointer dereference in ScanLineProcess::run_fill when processing a deep scanline image with a large sample count in reduceMemory mode. A remote attacker can supply a specially crafted EXR file to cause a denial of service.
Affected software
OpenEXR
How to mitigate CVE-2025-48073
Install security update from vendor's website.
OpenEXR - update to 3.3.3