DEBIAN-CVE-2026-43996

Source
https://security-tracker.debian.org/tracker/CVE-2026-43996
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-43996.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-43996
Upstream
Published
2026-05-14T20:17:07Z
Modified
2026-09-14T17:03:12Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/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 3.0.18.0 and 3.1.13.0, the bounds check in TGAInput::decode_pixel computes k + palbytespp as unsigned 32-bit arithmetic. When k = 0xFFFFFFFC and palbytespp = 4, the addition wraps to 0, which compares less than palette_alloc_size and passes the check. The subsequent palette access uses the unwrapped k (0xFFFFFFFC) as the index, reading ~4 GB past the start of the palette buffer — SEGV. This vulnerability is fixed in 3.0.18.0 and 3.1.13.0.

References

Affected packages

Debian:13 / openimageio

Package

Name
openimageio
Purl
pkg:deb/debian/openimageio?arch=source&distro=trixie

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

2.*
2.5.18.0+dfsg-1
2.5.19.1+dfsg-1
2.5.19.1+dfsg-2

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-43996.json"

Debian:14 / openimageio

Package

Name
openimageio
Purl
pkg:deb/debian/openimageio?arch=source&distro=forky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

2.*
2.5.18.0+dfsg-1
2.5.19.1+dfsg-1
2.5.19.1+dfsg-2

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-43996.json"