CVE-2022-43599

HIGHNVD 8.18.1—
EchelonGraph scoreMEDIUM confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2022-12-23. NVD baseline CVSS 8.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
8.1
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 2%CVSS: 8.1Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Multiple code execution vulnerabilities exist in the IFFOutput::close() functionality of OpenImageIO Project OpenImageIO v2.4.4.2. A specially crafted ImageOutput Object can lead to a heap buffer overflow. An attacker can provide malicious input to trigger these vulnerabilities.This vulnerability arises when the xmax variable is set to 0xFFFF and m_spec.format is TypeDesc::UINT8

CVSS v3
8.1
EG Score
8.1(medium)
EG Risk
52(Track*)
EG Risk 52/100SSVC: Track*

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity81% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS
78.2%
KEV
Not listed

Published

December 22, 2022

Last Modified

November 21, 2024

References (6)

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 12× in last 7d / 45× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 101 total refreshes for this CVE.

  1. 2026-07-23 14:16 UTCEPSS rescore
  2. 2026-07-23 02:14 UTCEG score recompute
  3. 2026-07-22 23:02 UTCEG score recompute
  4. 2026-07-22 14:06 UTCEPSS rescore
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  13. 2026-07-16 11:49 UTCOSV refresh
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  1. 2026-07-06 02:21 UTCEPSS rescore
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  11. 2026-06-28 10:49 UTCOSV refresh
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  40. 2026-06-10 22:17 UTCEPSS rescore
  41. 2026-06-10 20:47 UTCOSV refresh
  42. 2026-06-10 13:21 UTCEPSS rescore
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  44. 2026-06-08 14:15 UTCEPSS rescore
  45. 2026-06-07 15:23 UTCEPSS rescore
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  47. 2026-06-06 13:46 UTCEPSS rescore
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  73. 2026-05-26 07:17 UTCEPSS rescore
  74. 2026-05-25 09:53 UTCEG score recompute
  75. 2026-05-25 09:53 UTCGHSA enrichment

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Frequently asked(5)

What is CVE-2022-43599?
CVE-2022-43599 is a high vulnerability published on December 22, 2022. Multiple code execution vulnerabilities exist in the IFFOutput::close() functionality of OpenImageIO Project OpenImageIO v2.4.4.2. A specially crafted ImageOutput Object can lead to a heap buffer overflow. An attacker can provide malicious input to trigger these vulnerabilities.This vulnerability…
When was CVE-2022-43599 disclosed?
CVE-2022-43599 was first published in the National Vulnerability Database on December 22, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2022-43599 actively exploited?
CVE-2022-43599 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 78.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2022-43599?
CVE-2022-43599 has a CVSS v3 base score of 8.1 (NVD).
How do I remediate CVE-2022-43599?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-43599, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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