CVE-2022-4904

HIGHNVD 8.68.6—
EchelonGraph scoreMEDIUM confidence

Score 8.6 from GitHub Security Advisory (severity: HIGH) published 2023-03-07. NVD baseline CVSS 8.6; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
8.6
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 8.6Exploit: NoneExposed: 0

A fix is available — apply it.

A flaw was found in the c-ares package. The ares_set_sortlist is missing checks about the validity of the input string, which allows a possible arbitrary length stack overflow. This issue may cause a denial of service or a limited impact on confidentiality and integrity.

CVSS v3
8.6
EG Score
8.6(medium)
EPSS
65.5%
KEV
Not listed

Published

March 6, 2023

Last Modified

December 2, 2025

References (8)

Vendor Advisories for CVE-2022-4904(8)

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

Patch Availability(15)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulibc-ares-dev (1.15.0-1ubuntu0.2) @ focal2026-05-25ubuntu
redhatc-ares-0:1.13.0-6.el8_8.32023-11-28redhat
redhatc-ares-0:1.17.1-5.el9_2.22023-11-21redhat
redhatc-ares-0:1.13.0-8.el82023-11-14redhat
redhatc-ares-0:1.19.1-1.el92023-11-07redhat
redhatc-ares-0:1.17.1-5.el9_0.22023-11-02redhat
redhatnodejs-1:16.20.2-1.el9_02023-10-09redhat
redhatnodejs:18-8080020230607122508.63b345852023-07-12redhat
redhatnodejs-1:16.19.1-1.el9_22023-05-09redhat
redhatnodejs:18-9020020230327152102.rhel92023-05-09redhat
redhatnodejs:14-8070020230306170042.bd1311ed2023-04-12redhat
redhatrh-nodejs14-nodejs-0:14.21.3-2.el72023-04-12redhat
redhatnodejs:14-8060020230306170237.ad008a3a2023-04-12redhat
redhatnodejs:16-8070020230314140722.bd1311ed2023-04-04redhat
redhatnodejs:14-8040020230306170312.522a0ee42023-03-30redhat

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(3)

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

Additional Vendor Advisories

(8)

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 13× 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. 2026-07-22 14:06 UTCEPSS rescore
  2. 2026-07-22 14:06 UTCEPSS rescore
  3. 2026-07-21 15:23 UTCEPSS rescore
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  11. 2026-07-16 03:53 UTCOSV refresh
  12. 2026-07-15 16:56 UTCEPSS rescore
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  1. 2026-07-06 16:25 UTCEPSS rescore
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  9. 2026-06-28 14:06 UTCEPSS rescore
  10. 2026-06-28 04:54 UTCEPSS rescore
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  12. 2026-06-28 03:34 UTCOSV refresh
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  24. 2026-06-21 01:58 UTCEPSS rescore
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  26. 2026-06-19 19:24 UTCEPSS rescore
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  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 14:47 UTCOSV refresh
  42. 2026-06-10 13:21 UTCEPSS rescore
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  44. 2026-06-08 14:15 UTCEPSS rescore
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  46. 2026-06-07 15:23 UTCEPSS rescore
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  63. 2026-05-29 13:43 UTCEPSS rescore
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  73. 2026-05-26 07:17 UTCEPSS rescore
  74. 2026-05-25 05:42 UTCEG score recompute
  75. 2026-05-25 05:42 UTCVendor advisory

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2022-4904?
CVE-2022-4904 is a high vulnerability published on March 6, 2023. A flaw was found in the c-ares package. The aressetsortlist is missing checks about the validity of the input string, which allows a possible arbitrary length stack overflow. This issue may cause a denial of service or a limited impact on confidentiality and integrity.
When was CVE-2022-4904 disclosed?
CVE-2022-4904 was first published in the National Vulnerability Database on March 6, 2023, with the most recent update on December 2, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2022-4904 actively exploited?
CVE-2022-4904 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 65.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2022-4904?
CVE-2022-4904 has a CVSS v3 base score of 8.6 (NVD).
How do I remediate CVE-2022-4904?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-4904, 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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