OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant to VFX / animation. Prior to 3…
cve CVE-2026-65969 1 source, 1 claim · Watch
OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant to VFX / animation. Prior to 3.0.21.0, 3.1.16.0, and 3.2.0.3-beta1, A truncated tga can leave a pending gif frame that is processed during output close. gifsplitpalette() computes numpixels multiplied by the palette partition width in signed 32-bit arithmetic; a large image overflows that intermediate, corrupts subpixelsa, and drives an out-of-bounds read while building the gif palette, resulting in a process crash and denial of service. The affected implementation is identified by src… the claim
- Severity
- MEDIUM NVD
- CVSS
- 5.5 NVD
- Vendor
- AcademySoftwareFoundation NVD
- Product
- OpenImageIO NVD
- CWE
- CWE-125, CWE-190 NVD
How far exploitation has got
- No public code known
- Proof of concept
- Proof of concept, verified
- A Metasploit module
- Exploited in the wild
- Used in ransomware campaigns
Timeline
| 2026-09-18 | first spoke of it: OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant to VFX / animation. Prior to 3.0.21.0, 3.1.16.0, and 3.2.0.3-beta1, A truncated tga can leave a pending gif frame that is processed during output close. gifsplitpalette() computes numpixels multiplied by the palette partition width in signed 32-bit arithmetic; a large image overflows that intermediate, corrupts subpixelsa, and drives an out-of-bounds read while building the gif palette, resulting in a process crash and denial of service. The affected implementation is identified by src/gif.imageio/gif.h, GifSplitPalette(), numPixels, subPixelsA, GIFOutput, and truncated TGA input, which define the relevant source path, functions, state, and trigger. This issue is fixed in versions 3.0.21.0, 3.1.16.0, and 3.2.0.3-beta1. | NVD |
OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant to VFX / animation. Prior to 3.0.21.0, 3.1.16.0, and 3.2.0.3-beta1, A truncated tga can leave a pending gif frame that is processed during output close. gifsplitpalette() computes numpixels multiplied by the palette partition width in signed 32-bit arithmetic; a large image overflows that intermediate, corrupts subpixelsa, and drives an out-of-bounds read while building the gif palette, resulting in a process crash and denial of service. The affected implementation is identified by src/gif.imageio/gif.h, GifSplitPalette(), numPixels, subPixelsA, GIFOutput, and truncated TGA input, which define the relevant source path, functions, state, and trigger. This issue is fixed in versions 3.0.21.0, 3.1.16.0, and 3.2.0.3-beta1.
What it is to other things
| affects | openimageio/openimageio NVD |
| made_by | openimageio NVD |
In words only, so not counted until a person confirms one:
| made_by | academysoftwarefoundationNVD says “AcademySoftwareFoundation” |
| affects | academysoftwarefoundation/openimageioNVD says “AcademySoftwareFoundation · OpenImageIO” |
Every value, with what each source said and its receipt
| Property | Source | Said | Means here | ||||
|---|---|---|---|---|---|---|---|
| Automatable automatable | NVD | no At least one of those steps needs a person. receipt
What the source handed over{
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} | — | ||||
| CVSS cvss | NVD | 5.5receipt
What the source handed over{
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| CVSS vector cvss_vector | NVD | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:Hreceipt
What the source handed over{
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} | — | ||||
| CWE cwe | NVD | CWE-125, CWE-190receipt
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| Exploitation exploitation | NVD | none No evidence of exploitation, and no public proof of concept. receipt
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| Product product | NVD | OpenImageIOreceipt
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| Severity severity | NVD | MEDIUM From 4.0 to 6.9. receipt
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} | — | ||||
| Technical impact technical_impact | NVD | partial The attacker gains limited control, or limited information. receipt
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} | — | ||||
| Vendor vendor | NVD | AcademySoftwareFoundationreceipt
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} | — |