CVE-2022-43594: debian debian_linux NULL Pointer Dereference
Vulnerability summary
CVE-2022-43594 is a medium (CVSS 5.9) NULL Pointer Dereference vulnerability in debian debian_linux. EPSS estimates a 1.28% chance of exploitation in the next 30 days, higher than 69.6% of scored vulnerabilities. 1 public exploit is recorded.
Advisory lineage
Upstream 0 · Downstream 4 · Related 1Timeline
- 23-12-2022PublishedVulnerability first disclosed.
- 13-02-2025Last modifiedVulnerability information updated.
Description
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 .bmp files.
CVSS metrics
4 scores · 4 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated5.9MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.9MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVDNIST5.9MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
1.28%
Chance of exploitation in the next 30 days
Percentile
70%
Versus all other CVEs
30-day change
+0.01 pp
From 1.27% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (talosintelligence.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Debian2 products
- openimageio< 2.4.7.1+dfsg-2
- debian_linuxEOL11.0
Openimageio1 product
- openimageio2.4.4.2
Openimageio project1 product
- openimageiov2.4.4.2
Ubuntu1 product
- openimageioAll versions (No fix recorded)
4 vendors · 5 products
References
6 links
www.debian.org/security/2023/dsa-5384Third Party Advisory- security.gentoo.org/glsa/202305-33Third Party Advisory