DEBIAN-CVE-2026-63638
- Source
- https://security-tracker.debian.org/tracker/CVE-2026-63638
- Import Source
- https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-63638.json
- JSON Data
- https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-63638
- Upstream
- Published
- 2026-09-18T16:17:08Z
- Modified
- 2026-09-20T20:00:07Z
- Severity
-
- 8.3 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
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 cineon image can declare unsupported component bit depth 26. cineoninput::open() maps it to a 32-bit imagespec, but libcineon maps the unsupported depth to an 8-byte value, so cineoninput::read_native_scanline() causes attacker-controlled data to be written beyond the 4-byte-per-pixel caller buffer, resulting in a heap out-of-bounds write and memory corruption. The affected implementation is identified by src/cineon.imageio/cineoninput.cpp, CineonInput::open(), CineonInput::read_native_scanline(), ComponentDataSize(), bit depth 26, and ImageSpec, 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.
- References
Affected packages
Debian:12 / openimageio
Package
- Name
- openimageio
- Purl
- pkg:deb/debian/openimageio?arch=source&distro=bookworm
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0 Unknown introduced version / All previous versions are affected
Affected versions
2.*
Debian:13 / openimageio
Package
- Name
- openimageio
- Purl
- pkg:deb/debian/openimageio?arch=source&distro=trixie
Debian:14 / openimageio
Package
- Name
- openimageio
- Purl
- pkg:deb/debian/openimageio?arch=source&distro=forky