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5.5 Medium

CVE-2026-63635 OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant to VFX /…

Description

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 crafted psd with an invalid color_mode bypasses normal validation when oiio:rawcolor or psd:rawdata is enabled. psdinput::setup() then uses the attacker-controlled value to index fixed color-mode tables, causing a global out-of-bounds read and potentially a bogus allocation, resulting in denial of service. The affected implementation is identified by src/psd.imageio/psdinput.cpp, PSDInput::validate_header(), PSDInput::setup(), oiio:RawColor, psd:RawData, color_mode, and mode_channel_count, 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.

Affected products and versions

Product Affected versions Fixed in
OpenImageIO 3.2 3.2.0.0-dev → < 3.2.0.3-beta1 3.2.0.3-beta1
OpenImageIO 3.1 3.1.0.0 → < 3.1.16.0 3.1.16.0
OpenImageIO 3.0 earliest → < 3.0.21.0 3.0.21.0

References

Timeline

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Other CVEs of OpenImageIO

The 23 CVEs of OpenImageIO →
CVE-2026-113681 OpenImageIO before 3.0.20.0, 3.1.x before 3.1.15.0, and 3.2.x before 3.2.0.3-beta1 contains an integer overflow in… 6.8 Medium CVE-2026-65969 OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant to VFX /… 5.5 Medium CVE-2026-67549 OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant to VFX /… 7.6 High CVE-2026-63638 OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant to VFX /… 8.3 High
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