CVE-2021-3624

HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2022-04-19. NVD baseline CVSS 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: ghsa, nvd
7.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 7.8Exploit: NoneExposed: 0

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

There is an integer overflow vulnerability in dcraw. When the victim runs dcraw with a maliciously crafted X3F input image, arbitrary code may be executed in the victim's system.

CVSS v3
7.8
EG Score
7.8(medium)
EPSS
55.1%
KEV
Not listed

Published

April 18, 2022

Last Modified

November 21, 2024

References (2)

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 11× in last 7d / 46× 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. 2026-07-21 15:22 UTCEPSS rescore
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  3. 2026-07-20 17:05 UTCEPSS rescore
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  17. 2026-07-13 04:37 UTCOSV refresh
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  45. 2026-06-08 14:15 UTCEPSS rescore
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  47. 2026-06-07 18:46 UTCOSV refresh
  48. 2026-06-07 15:23 UTCEPSS rescore
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  50. 2026-06-06 13:46 UTCEPSS rescore
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  74. 2026-05-26 07:17 UTCEPSS rescore
  75. 2026-05-23 08:51 UTCEG score recompute

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2021-3624?
CVE-2021-3624 is a high vulnerability published on April 18, 2022. There is an integer overflow vulnerability in dcraw. When the victim runs dcraw with a maliciously crafted X3F input image, arbitrary code may be executed in the victim's system.
When was CVE-2021-3624 disclosed?
CVE-2021-3624 was first published in the National Vulnerability Database on April 18, 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-2021-3624 actively exploited?
CVE-2021-3624 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 55.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2021-3624?
CVE-2021-3624 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2021-3624?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-3624, 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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