Out-of-bounds write in OpenImageIO
Priority MEDIUM 45CWE-123Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
A heap out-of-bounds write vulnerability exists in the way OpenImageIO v2.3.19.0 processes RLE encoded BMP images. A specially-crafted bmp file can write to arbitrary out of bounds memory, which can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.
Why it matters now
EPSS 0.01525 74th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| OpenImageIO Project | OpenImageIO | master-branch-9aeece7a; v2.3.19.0 | — | No fix listed | CNA |
- OpenImageIO VendorOpenImageIO Project Affected master-branch-9aeece7a; v2.3.19.0 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:openimageio:openimageio:2.3.19.0:*:*:*:*:*:*:* | 2.3.19.0 | Vulnerable | OpenImageIO Project |
- cpe:2.3:a:openimageio:openimageio:2.3.19.0:*:*:*:*:*:*:* Versions 2.3.19.0 Vulnerable ·OpenImageIO Project
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2022-38143
- 2026-10-03 Alias added: GHSA-q39q-7726-rg48
References
More OpenImageIO Project Openimageio vulnerabilities
- TI-2024-36790 OpenImageIO v3.1.0.0dev was discovered to contain a heap overflow via the component /OpenImageIO/fmath.h. CVSS 3.1CRITICAL 9.8
- TI-2024-36788 OpenImageIO v3.1.0.0dev was discovered to contain a heap overflow via the component… CVSS 3.1CRITICAL 9.8
- TI-2023-22558 Buffer Overflow vulnerability in OpenImageIO oiio v.2.4.12.0 allows a remote attacker to… CVSS 3.1CRITICAL 9.8
- TI-2022-20191 Heap-based buffer overflow in OpenImageIO CVSS 3.1CRITICAL 9.8
- TI-2022-20190 Out-of-bounds write in OpenImageIO CVSS 3.1CRITICAL 9.8
- TI-2022-20168 Heap-based buffer overflow in OpenImageIO CVSS 3.1CRITICAL 9.8
Sources
- CVE-2022-38143 · CVE Program
- CVE-2022-38143 · NVD
- FIRST EPSS
- GHSA-q39q-7726-rg48 · GitHub Advisory Database · CC BY 4.0
- CVE-2022-38143 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences