CVE-2026-14684

LOWPre-NVD 3.33.3—
EchelonGraph scoreMEDIUM confidence

Score 3.3 from GitHub Security Advisory (severity: LOW) published 2026-07-05. a secondary CVSS source baseline 3.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this weekElevated
3.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 3.3Exploit: Elevated riskExposed: 0

A fix is available — apply it.

A flaw has been found in HdrHistogram up to 2.2.2. This affects the function org.HdrHistogram.AbstractHistogram.decodeFromByteBuffer of the file src/main/java/org/HdrHistogram/AbstractHistogram.java. This manipulation of the argument numberOfSignificantValueDigits causes uncontrolled memory allocation. The attack can only be executed locally. The exploit has been published and may be used. The actual existence of this vulnerability is currently in question. This issue is disputed due to the potential lack of crossing of security boundaries and the pre-requisites for a successful attack.

CVSS v3
3.3
EG Score
3.3(medium)
EG Risk
31(Track)
EG Risk 31/100SSVC: 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
Severity33% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
2%
KEV
Not listed

Published

July 4, 2026

Last Modified

July 16, 2026

References (6)

Vendor Advisories for CVE-2026-14684(3)

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
redhatrust-main-1.96.1-1.hum12026-07-02redhat
redhatnetavark-main-2.0.0-1.hum12026-06-18redhat

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

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
hdrhistogram2.1.11-1, 2.2.2-1——
Debian:12(1)
PackageVulnerable rangeFixed inDependents
hdrhistogram2.1.11-1, 2.2.2-1——
Debian:13(1)
PackageVulnerable rangeFixed inDependents
hdrhistogram2.1.11-1, 2.2.2-1——
Debian:14(1)
PackageVulnerable rangeFixed inDependents
hdrhistogram2.1.11-12.2.2-1—

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 16× in last 7d / 55× 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.

  1. 2026-08-21 04:24 UTCEG score recompute
  2. 2026-08-21 04:24 UTCVendor advisory
  3. 2026-08-21 04:24 UTCGHSA enrichment
  4. 2026-08-20 22:55 UTCEPSS rescore
  5. 2026-08-19 17:03 UTCEPSS rescore
  6. 2026-08-18 13:48 UTCEPSS rescore
  7. 2026-08-17 22:45 UTCEG score recompute
  8. 2026-08-17 22:45 UTCVendor advisory
  9. 2026-08-17 22:45 UTCGHSA enrichment
  10. 2026-08-17 13:47 UTCEPSS rescore
  11. 2026-08-16 14:56 UTCEPSS rescore
  12. 2026-08-16 02:14 UTCEPSS rescore
  13. 2026-08-15 01:30 UTCEPSS rescore
  14. 2026-08-14 13:36 UTCEG score recompute
  15. 2026-08-14 13:36 UTCVendor advisory
  16. 2026-08-14 13:36 UTCGHSA enrichment
  17. 2026-08-13 22:00 UTCEPSS rescore
  18. 2026-08-12 13:50 UTCEPSS rescore
  19. 2026-08-11 09:33 UTCEG score recompute
  20. 2026-08-11 09:33 UTCVendor advisory
  21. 2026-08-11 09:33 UTCGHSA enrichment
  22. 2026-08-10 23:59 UTCEPSS rescore
  23. 2026-08-09 13:46 UTCEPSS rescore
  24. 2026-08-08 16:37 UTCEPSS rescore
  25. 2026-08-08 05:30 UTCEG score recompute
Show 59 more
  1. 2026-08-08 05:30 UTCVendor advisory
  2. 2026-08-08 05:30 UTCGHSA enrichment
  3. 2026-08-06 13:46 UTCEPSS rescore
  4. 2026-08-05 19:17 UTCEPSS rescore
  5. 2026-08-05 01:28 UTCEG score recompute
  6. 2026-08-05 01:28 UTCVendor advisory
  7. 2026-08-05 01:27 UTCGHSA enrichment
  8. 2026-08-04 10:38 UTCEPSS rescore
  9. 2026-08-03 10:35 UTCEPSS rescore
  10. 2026-08-02 02:26 UTCEPSS rescore
  11. 2026-08-01 20:58 UTCEG score recompute
  12. 2026-08-01 20:58 UTCVendor advisory
  13. 2026-08-01 20:58 UTCGHSA enrichment
  14. 2026-08-01 04:15 UTCEPSS rescore
  15. 2026-07-30 16:27 UTCEPSS rescore
  16. 2026-07-29 16:55 UTCEG score recompute
  17. 2026-07-29 16:55 UTCVendor advisory
  18. 2026-07-29 16:55 UTCGHSA enrichment
  19. 2026-07-28 15:36 UTCEPSS rescore
  20. 2026-07-27 14:13 UTCEPSS rescore
  21. 2026-07-26 14:54 UTCEPSS rescore
  22. 2026-07-26 14:54 UTCEPSS rescore
  23. 2026-07-26 12:52 UTCEG score recompute
  24. 2026-07-26 12:52 UTCVendor advisory
  25. 2026-07-26 12:52 UTCGHSA enrichment
  26. 2026-07-25 14:17 UTCEPSS rescore
  27. 2026-07-24 14:17 UTCEPSS rescore
  28. 2026-07-23 14:18 UTCEPSS rescore
  29. 2026-07-23 03:05 UTCEG score recompute
  30. 2026-07-22 14:08 UTCEPSS rescore
  31. 2026-07-21 15:24 UTCEPSS rescore
  32. 2026-07-20 17:08 UTCEPSS rescore
  33. 2026-07-19 14:30 UTCEPSS rescore
  34. 2026-07-18 10:04 UTCEPSS rescore
  35. 2026-07-17 08:29 UTCEG score recompute
  36. 2026-07-17 08:29 UTCVendor advisory
  37. 2026-07-17 08:29 UTCGHSA enrichment
  38. 2026-07-16 17:02 UTCEPSS rescore
  39. 2026-07-16 08:27 UTCNVD updateCVSS v4 → 1.9
  40. 2026-07-16 07:53 UTCMITRE cvelistV5CVSS v4 → 4.8
  41. 2026-07-15 16:57 UTCEPSS rescore
  42. 2026-07-14 11:49 UTCVendor advisory
  43. 2026-07-14 11:49 UTCGHSA enrichment
  44. 2026-07-13 22:30 UTCEPSS rescore
  45. 2026-07-11 08:27 UTCEPSS rescore
  46. 2026-07-11 07:44 UTCVendor advisory
  47. 2026-07-11 07:44 UTCGHSA enrichment
  48. 2026-07-09 19:10 UTCEPSS rescore
  49. 2026-07-08 15:15 UTCEPSS rescore
  50. 2026-07-08 15:15 UTCEPSS rescore
  51. 2026-07-08 03:41 UTCGHSA enrichment
  52. 2026-07-07 13:46 UTCEPSS rescore
  53. 2026-07-06 18:21 UTCNVD updateCVSS v4 → 1.9
  54. 2026-07-06 17:36 UTCMITRE cvelistV5CVSS v4 → 4.8
  55. 2026-07-06 16:27 UTCEPSS rescore
  56. 2026-07-06 02:23 UTCEPSS rescore
  57. 2026-07-05 00:28 UTCNVD updateCVSS v4 → 1.9
  58. 2026-07-04 23:37 UTCEG score recompute
  59. 2026-07-04 23:36 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-14684?
CVE-2026-14684 is a low vulnerability published on July 4, 2026. A flaw has been found in HdrHistogram up to 2.2.2. This affects the function org.HdrHistogram.AbstractHistogram.decodeFromByteBuffer of the file src/main/java/org/HdrHistogram/AbstractHistogram.java. This manipulation of the argument numberOfSignificantValueDigits causes uncontrolled memory…
When was CVE-2026-14684 disclosed?
CVE-2026-14684 was first published in the National Vulnerability Database on July 4, 2026, with the most recent update on July 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-14684 actively exploited?
CVE-2026-14684 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 97.9% of all scored CVEs.
What is the CVSS score of CVE-2026-14684?
CVE-2026-14684 has a CVSS v3 base score of 3.3 (NVD).
How do I remediate CVE-2026-14684?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-14684, 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.

Dependency Blast Radius

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