CVE-2023-5685

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 3.5%, top 12% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Trending — 3 sources updated this week
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 3%CVSS: 7.5Exploit: None knownExposed: 0

A fix is available — apply it.

A flaw was found in XNIO. The XNIO NotifierState that can cause a Stack Overflow Exception when the chain of notifier states becomes problematically large can lead to uncontrolled resource management and a possible denial of service (DoS).

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
50(Track)
EG Risk 50/100SSVC: 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
Severity75% × 45%
Exploitation3% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
3%
EPSS %ILE
89%
KEV
Not listed

Published

March 22, 2024

Last Modified

September 14, 2026

Advisory Details (9)

Auto-updated Sep 14, 2026
Patch available. Sources: redhat.
redhat Patch Available

2241822 – (CVE-2023-5685) CVE-2023-5685 xnio: StackOverflowException when the chain of notifier states becomes problematically big

https://bugzilla.redhat.com/show_bug.cgi?id=2241822
redhat Patch Available

CVE-2023-5685 - Red Hat Customer Portal

Affected: Red Hat Enterprise Linux 8 or OpenShift Container Platform 4, is affected by this vulnerability and a fix may be released to a

https://access.redhat.com/security/cve/CVE-2023-5685
redhat Patch Available
https://access.redhat.com/errata/RHSA-2024:2707
redhat Patch Available

Affected: Red Hat Enterprise Linux 7.

https://access.redhat.com/errata/RHSA-2024:10208
redhat Patch Available

Affected: Red Hat Enterprise Linux 7.

https://access.redhat.com/errata/RHSA-2024:10207
redhat Patch Available
https://access.redhat.com/errata/RHSA-2023:7641
redhat Patch Available

Affected: Red Hat Enterprise Linux 9.

https://access.redhat.com/errata/RHSA-2023:7639
redhat Patch Available

Affected: Red Hat Enterprise Linux 8.

https://access.redhat.com/errata/RHSA-2023:7638
redhat Patch Available

Affected: Red Hat Enterprise Linux 7.

https://access.redhat.com/errata/RHSA-2023:7637

Vendor Advisories for CVE-2023-5685(7)

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

Patch Availability(7)

Vendor / EcosystemFixed in / PatchReleasedSource
redhateap7-xalan-j2-0:2.7.1-26.redhat_00015.1.ep7.el72024-11-25redhat
redhateap7-xml-security-0:2.2.3-2.redhat_00001.1.el7eap2024-11-25redhat
redhatxnio2024-05-06redhat
redhateap7-jboss-xnio-base-0:3.8.11-1.SP1_redhat_00001.1.el8eap2023-12-04redhat
redhateap7-jboss-xnio-base-0:3.8.11-1.SP1_redhat_00001.1.el9eap2023-12-04redhat
redhatpatch2023-12-04redhat
redhateap7-jboss-xnio-base-0:3.8.11-1.SP1_redhat_00001.1.el7eap2023-12-04redhat

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.

Affected Packages

(5 across 5 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
jboss-xnio3.8.10-1 ... 3.8.8-1 (8 versions)——
Debian:12(1)
PackageVulnerable rangeFixed inDependents
jboss-xnio3.8.10-1, 3.8.8-1——
Debian:13(1)
PackageVulnerable rangeFixed inDependents
jboss-xnio3.8.10-1——
Debian:14(1)
PackageVulnerable rangeFixed inDependents
jboss-xnio3.8.10-1——
Maven(1)
PackageVulnerable rangeFixed inDependents
org.jboss.xnio:xnio-api2.0.0.CR2 ... 3.8.9.Final (152 versions)3.8.14.Final—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 10× in last 7d / 32× 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 176 total refreshes for this CVE.

  1. 2026-09-18 19:26 UTCEPSS rescore
  2. 2026-09-16 14:06 UTCEPSS rescore
  3. 2026-09-16 05:11 UTCEPSS rescore
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  5. 2026-09-15 03:08 UTCEPSS rescore
  6. 2026-09-14 20:27 UTCVendor advisory
  7. 2026-09-14 20:01 UTCEG score recompute
  8. 2026-09-14 20:01 UTCVendor advisory
  9. 2026-09-13 16:45 UTCEPSS rescore
  10. 2026-09-12 14:58 UTCEPSS rescore
  11. 2026-09-11 14:51 UTCEPSS rescore
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  22. 2026-08-30 19:15 UTCEPSS rescore
  23. 2026-08-30 01:20 UTCEPSS rescore
  24. 2026-08-29 22:13 UTCOSV refresh
  25. 2026-08-28 21:39 UTCEPSS rescore
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  1. 2026-08-27 14:23 UTCEPSS rescore
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  3. 2026-08-25 13:47 UTCEPSS rescore
  4. 2026-08-23 00:17 UTCEPSS rescore
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  6. 2026-08-21 23:47 UTCEPSS rescore
  7. 2026-08-20 22:53 UTCEPSS rescore
  8. 2026-08-19 17:02 UTCEPSS rescore
  9. 2026-08-18 13:46 UTCEPSS rescore
  10. 2026-08-16 14:54 UTCEPSS rescore
  11. 2026-08-16 02:12 UTCEPSS rescore
  12. 2026-08-15 01:28 UTCEPSS rescore
  13. 2026-08-13 21:58 UTCEPSS rescore
  14. 2026-08-13 08:43 UTCOSV refresh
  15. 2026-08-12 13:49 UTCEPSS rescore
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  17. 2026-08-10 23:58 UTCEPSS rescore
  18. 2026-08-09 13:44 UTCEPSS rescore
  19. 2026-08-08 16:35 UTCEPSS rescore
  20. 2026-08-07 16:25 UTCEPSS rescore
  21. 2026-08-06 13:45 UTCEPSS rescore
  22. 2026-08-05 19:15 UTCEPSS rescore
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  24. 2026-08-04 10:36 UTCEPSS rescore
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  26. 2026-08-02 02:25 UTCEPSS rescore
  27. 2026-08-02 02:25 UTCEPSS rescore
  28. 2026-08-01 04:14 UTCEPSS rescore
  29. 2026-07-30 16:26 UTCEPSS rescore
  30. 2026-07-30 01:29 UTCEPSS rescore
  31. 2026-07-28 16:59 UTCOSV refresh
  32. 2026-07-28 15:34 UTCEPSS rescore
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  34. 2026-07-26 14:53 UTCEPSS rescore
  35. 2026-07-25 14:16 UTCEPSS rescore
  36. 2026-07-24 14:16 UTCEPSS rescore
  37. 2026-07-23 14:16 UTCEPSS rescore
  38. 2026-07-23 02:30 UTCEG score recompute
  39. 2026-07-22 23:16 UTCEG score recompute
  40. 2026-07-22 14:07 UTCEPSS rescore
  41. 2026-07-22 14:07 UTCEPSS rescore
  42. 2026-07-21 15:23 UTCEPSS rescore
  43. 2026-07-20 17:06 UTCEPSS rescore
  44. 2026-07-19 14:30 UTCEPSS rescore
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  46. 2026-07-19 02:27 UTCEPSS rescore
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  48. 2026-07-18 10:03 UTCEPSS rescore
  49. 2026-07-18 10:03 UTCEPSS rescore
  50. 2026-07-16 17:01 UTCEPSS rescore
  51. 2026-07-15 16:56 UTCEPSS rescore
  52. 2026-07-15 01:59 UTCEPSS rescore
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  54. 2026-07-13 22:28 UTCEPSS rescore
  55. 2026-07-13 22:28 UTCEPSS rescore
  56. 2026-07-13 06:11 UTCEPSS rescore
  57. 2026-07-12 05:45 UTCEPSS rescore
  58. 2026-07-12 05:45 UTCEPSS rescore
  59. 2026-07-11 09:11 UTCOSV refresh
  60. 2026-07-11 08:26 UTCEPSS rescore
  61. 2026-07-09 19:08 UTCEPSS rescore
  62. 2026-07-08 15:13 UTCEPSS rescore
  63. 2026-07-07 13:45 UTCEPSS rescore
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  65. 2026-07-06 16:26 UTCEPSS rescore
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  67. 2026-07-06 02:22 UTCEPSS rescore
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  69. 2026-07-05 02:29 UTCEPSS rescore
  70. 2026-07-04 06:29 UTCEPSS rescore
  71. 2026-07-01 15:05 UTCEPSS rescore
  72. 2026-06-30 23:21 UTCEPSS rescore
  73. 2026-06-30 23:21 UTCEPSS rescore
  74. 2026-06-29 14:05 UTCEPSS rescore
  75. 2026-06-28 14:06 UTCEPSS rescore

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2023-5685?
CVE-2023-5685 is a high vulnerability published on March 22, 2024. A flaw was found in XNIO. The XNIO NotifierState that can cause a Stack Overflow Exception when the chain of notifier states becomes problematically large can lead to uncontrolled resource management and a possible denial of service (DoS).
When was CVE-2023-5685 disclosed?
CVE-2023-5685 was first published in the National Vulnerability Database on March 22, 2024, with the most recent update on September 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-5685 actively exploited?
CVE-2023-5685 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3% probability of exploitation in the next 30 days, which ranks it in the top 11.4% of all scored CVEs.
What is the CVSS score of CVE-2023-5685?
CVE-2023-5685 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2023-5685?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-5685, 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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