Integer Overflow to Buffer Overflow in OpenEXR - #VU141327
Published: August 8, 2026
Vulnerability identifier: #VU141327
CSH Severity: High
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-680
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause memory corruption.
The vulnerability exists due to an integer overflow to buffer overflow in deep EXR decoding of sample_count_table_size when parsing a crafted deep EXR file. A remote attacker can supply a specially crafted file to cause memory corruption.
User interaction is required to open or process a crafted deep EXR file. Only ILP32 or other 32-bit size_t builds are vulnerable.
Affected software
OpenEXR
Remediation
Install security update from vendor's website.
OpenEXR - addressed in versions 3.2.11, 3.3.13, 3.4.14