5.9

CVE-2022-43603: debian debian_linux NULL Pointer Dereference

CVSS: 5.9v3.0MediumModified
AliasesUBUNTU-CVE-2022-43603DEBIAN-CVE-2022-43603
Published 23-12-2022Last modified 14-04-2025

Vulnerability summary

CVE-2022-43603 is a medium (CVSS 5.9) NULL Pointer Dereference vulnerability in debian debian_linux. EPSS estimates a 1.35% chance of exploitation in the next 30 days, higher than 71.2% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
34/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.9/10
010
Medium · v3.0 (CVE.org)
EPSS score
1.35%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 4 · Related 1

Timeline

  1. 23-12-2022
    PublishedVulnerability first disclosed.
  2. 14-04-2025
    Last modifiedVulnerability information updated.

Description

A denial of service vulnerability exists in the ZfileOutput::close() functionality of OpenImageIO Project OpenImageIO v2.4.4.2. A specially crafted ImageOutput Object can lead to denial of service. An attacker can provide a malicious file to trigger this vulnerability.

CVSS metrics

6 scores · 4 sources · 2 versions

EPSS trend

Probability

1.35%

Chance of exploitation in the next 30 days

Percentile

71%

Versus all other CVEs

30-day change

+0.03 pp

From 1.32% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.35%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (talosintelligence.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Debian2 products
Openimageio1 product
Openimageio project1 product
Ubuntu1 product
  • openimageioAll versions (No fix recorded)

4 vendors · 5 products

References

6 links