Description
OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From version 3.4.0 to before version 3.4.7, an attacker providing a crafted .exr file with HTJ2K compression and a channel width of 32768 can write controlled data beyond the output heap buffer in any application that decodes EXR images. The write primitive is 2 bytes per overflow iteration or 4 bytes (by another path), repeating for each additional pixel past the overflow point. In this context, a heap write overflow can lead to remote code execution on systems. This issue has been patched in version 3.4.7.
INFO
Published Date :
2026-04-01T20:51:45.884Z
Last Modified :
2026-04-03T19:47:18.494Z
Source :
GitHub_M
AFFECTED PRODUCTS
The following products are affected by CVE-2026-34545 vulnerability.
| Vendors | Products |
|---|---|
| Academysoftwarefoundation |
|
| Openexr |
|
REFERENCES
Here, you will find a curated list of external links that provide in-depth information to CVE-2026-34545.
