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TI-2022-21363 Aliases CVE-2022-43595GHSA-f7fg-v9hq-5m57

NULL pointer dereference in OpenImageIO

Priority MEDIUM 60CWE-476Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-476.

Summary

Multiple denial of service vulnerabilities exist in the image output closing functionality of OpenImageIO Project OpenImageIO v2.4.4.2. Specially crafted ImageOutput Objects can lead to multiple null pointer dereferences. An attacker can provide malicious multiple inputs to trigger these vulnerabilities.This vulnerability applies to writing .fits files.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01316 70th 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
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
OpenImageIO ProjectOpenImageIOv2.4.4.2—No fix listedCNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:openimageio:openimageio:2.4.4.2:*:*:*:*:*:*:*2.4.4.2VulnerableOpenImageIO Project
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*11.0VulnerableDebian
  • cpe:2.3:a:openimageio:openimageio:2.4.4.2:*:*:*:*:*:*:* Versions 2.4.4.2 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.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-43595
  2. 2026-10-03 Alias added: GHSA-f7fg-v9hq-5m57

References

  • 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
See all 53 →

Sources