Quick answers
- Is CVE-2026-63635 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-63635 being exploited in the wild.
- How severe is CVE-2026-63635?
- Medium severity, with a CVSS score of 5.5, published 18 September 2026.
- Which products and versions are affected?
- Academy Software Foundation OpenImageIO before 3.0.21.0, 3.1.16.0, and 3.2.0.3-beta1.
- Is there a fix for CVE-2026-63635?
- A patch was published on 2026-07-04. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-63635 attacked?
- It is attacked with local access, in a software library.
- Am I affected by CVE-2026-63635?
- Check whether you run Academy Software Foundation OpenImageIO at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
A crafted PSD file with an invalid color_mode value bypasses validation when the oiio:RawColor or psd:RawData options are enabled, allowing the attacker-controlled value to be used as an index into fixed-size color-mode lookup tables in psdinput::setup(). This results in a global out-of-bounds read and potentially unbounded or bogus memory allocation. The vulnerability is patched by validating the color_mode before the RawColor early return path executes.
Affected products
- Academy Software Foundation OpenImageIO before 3.0.21.0, 3.1.16.0, and 3.2.0.3-beta1
Timeline
- 2026-07-04: patched
- 2026-09-18: disclosed