CVE-2022-28331

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2023-01-31. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 2%CVSS: 9.8Exploit: NoneExposed: 0

A fix is available — apply it.

On Windows, Apache Portable Runtime 1.7.0 and earlier may write beyond the end of a stack based buffer in apr_socket_sendv(). This is a result of integer overflow.

CVSS v3
9.8
EG Score
9.8(medium)
EPSS
72.9%
KEV
Not listed

Published

January 31, 2023

Last Modified

March 27, 2025

Advisory Details (1)

Auto-updated Jun 15, 2026
No patch confirmed yet.
generic
https://lists.apache.org/thread/5pfdfn7h0vsdo5xzjn97vghp0x42jj2r

Vendor Advisories for CVE-2022-28331(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(2)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatapr2023-09-04redhat
redhatjbcs-httpd24-apr2023-08-15redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(2)

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

Additional Vendor Advisories

(2)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 12× in last 7d / 48× 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 106 total refreshes for this CVE.

  1. 2026-07-22 14:06 UTCEPSS rescore
  2. 2026-07-22 14:06 UTCEPSS rescore
  3. 2026-07-21 15:22 UTCEPSS rescore
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  11. 2026-07-16 17:00 UTCEPSS rescore
  12. 2026-07-16 07:23 UTCOSV refresh
  13. 2026-07-15 16:56 UTCEPSS rescore
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  1. 2026-07-07 13:44 UTCEPSS rescore
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  15. 2026-06-28 06:52 UTCOSV refresh
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  18. 2026-06-25 13:48 UTCEPSS rescore
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  24. 2026-06-21 14:55 UTCEPSS rescore
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  26. 2026-06-19 19:24 UTCEPSS rescore
  27. 2026-06-19 19:24 UTCEPSS rescore
  28. 2026-06-18 17:51 UTCEPSS rescore
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  39. 2026-06-11 13:58 UTCEPSS rescore
  40. 2026-06-11 13:58 UTCEPSS rescore
  41. 2026-06-10 22:16 UTCEPSS rescore
  42. 2026-06-10 17:47 UTCOSV refresh
  43. 2026-06-10 13:20 UTCEPSS rescore
  44. 2026-06-08 14:15 UTCEPSS rescore
  45. 2026-06-08 14:15 UTCEPSS rescore
  46. 2026-06-07 15:23 UTCEPSS rescore
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  49. 2026-06-06 13:46 UTCEPSS rescore
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  51. 2026-06-05 22:45 UTCEPSS rescore
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  74. 2026-05-26 13:43 UTCEPSS rescore
  75. 2026-05-26 07:17 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2022-28331?
CVE-2022-28331 is a critical vulnerability published on January 31, 2023. On Windows, Apache Portable Runtime 1.7.0 and earlier may write beyond the end of a stack based buffer in aprsocketsendv(). This is a result of integer overflow.
When was CVE-2022-28331 disclosed?
CVE-2022-28331 was first published in the National Vulnerability Database on January 31, 2023, with the most recent update on March 27, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2022-28331 actively exploited?
CVE-2022-28331 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 72.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2022-28331?
CVE-2022-28331 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2022-28331?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-28331, 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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