A heap out-of-bounds read vulnerability exists in the RLA format parser of OpenImageIO…
Priority MEDIUM 63CWE-193Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
A heap out-of-bounds read vulnerability exists in the RLA format parser of OpenImageIO master-branch-9aeece7a and v2.3.19.0. More specifically, in the way run-length encoded byte spans are handled. A malformed RLA file can lead to an out-of-bounds read of heap metadata which can result in sensitive information leak. An attacker can provide a malicious file to trigger this vulnerability.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00818 57th 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
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
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 · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:openimageio:openimageio:2.3.19.0:*:*:*:*:*:*:* | 2.3.19.0 | Vulnerable | OpenImageIO Project |
| cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* | 11.0 | Vulnerable | Debian |
- cpe:2.3:a:openimageio:openimageio:2.3.19.0:*:*:*:*:*:*:* Versions 2.3.19.0 Vulnerable ·OpenImageIO Project
- cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·Debian
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2022-36354
- 2026-10-03 Alias added: GHSA-fchc-223x-3cpc
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-2022-36354 · CVE Program
- CVE-2022-36354 · NVD
- FIRST EPSS
- GHSA-fchc-223x-3cpc · GitHub Advisory Database · CC BY 4.0
- CVE-2022-36354 · Red Hat security data · CC BY 4.0
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