CVE-2025-64183 — Use After Free in Openexr
Severity
5.5MEDIUMNVD
EPSS
0.1%
top 80.79%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedNov 10
Latest updateApr 6
Description
OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. In versions 3.2.0 through 3.2.4, 3.3.0 through 3.3.5, and 3.4.0 through 3.4.2, there is a use-after-free in PyObject_StealAttrString of pyOpenEXR_old.cpp. The legacy adapter defines PyObject_StealAttrString that calls PyObject_GetAttrString to obtain a new reference, immediately decrefs it, and returns the pointer. Callers then pass this dangling pointe…
CVSS vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Affected Packages4 packages
▶CVEListV5academysoftwarefoundation/openexr>= 3.2.0, < 3.2.5, >= 3.3.0, < 3.3.6, >= 3.4.0, < 3.4.3+2
🔴Vulnerability Details
3OSV▶
CVE-2025-64183: OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry↗2025-11-10