SB2025112557 - Multiple vulnerabilities in OpenEXR



SB2025112557 - Multiple vulnerabilities in OpenEXR

Published: November 25, 2025

Security Bulletin ID SB2025112557
CSH Severity
High
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 33% Medium 67%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 vulnerabilities.


1) Integer overflow (CVE-ID: CVE-2025-64182)

CWE-ID: CWE-190 - Integer overflow

CVSSv4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to integer overflow within the OpenEXR.InputFile wrapper. A remote attacker can pass specially crafted file to the application, trigger an integer overflow and perform a denial of service (DoS) attack.


2) Use-after-free (CVE-ID: CVE-2025-64183)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the PyObject_StealAttrString() function in pyOpenEXR_old.cpp. A remote attacker can pass a specially crafted EXR file and execute arbitrary code on the system.


3) Use of uninitialized variable (CVE-ID: CVE-2025-64181)

CWE-ID: CWE-457 - Use of Uninitialized Variable

CVSSv4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability exists due to usage of an uninitialized variable when handling EXR files. A remote attacker can pass a specially crafted file to the application and perform a denial of service attack. 


Remediation

Install update from vendor's website.