OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant to VFX / animation. Prior to 3.0.18.0 and 3.1.13.0, a signed 32-bit integer overflow in the loop index expression i * 4 inside SwapRGBABytes() causes the function to compute a large negative pointer offset when processing kABGR DPX images with large dimensions. The immediate crash is an out-of-bounds read (the memcpy at line 45 reads from &input[i * 4] first), but the subsequent write operations at lines 46–49 target the same wrapped offset — making this a combined OOB read+write primitive. This vulnerability is fixed in 3.0.18.0 and 3.1.13.0.
CVSS Details
- CVSS 3.1 Base Score: 8.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Ubuntu | — | Upgrade libopenimageio2.5 (Ubuntu Pro)Upgrade libopenimageio-dev (Ubuntu Pro)Upgrade python-openimageio (Ubuntu Pro)Upgrade libopenimageio2.1 (Ubuntu Pro)Upgrade libopenimageio2.4t64 (Ubuntu Pro)Upgrade libopenimageio1.7 (Ubuntu Pro)Upgrade openimageio-tools (Ubuntu Pro)Upgrade python3-openimageio (Ubuntu Pro)Upgrade libopenimageio1.6 (Ubuntu Pro) | Jun 17, 2026 | Jun 16, 2026 |
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