Low 3.3Published Jul 4, 2026

CVE-2026-14684HdrHistogram AbstractHistogram.java memory allocation

Updated under an hour ago (Oct 27, 2026, 7:00 AM ET)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for n/a HdrHistogram

Exploited in the last 30 days

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: 3.3 LOW (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
Weakness (CWE): CWE-789, CWE-400
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: Jul 16, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

n/a HdrHistogram hdrhistogram:hdrhistogram	2.2.0; 2.2.1; 2.2.2	CNA record

References

References

https://vuldb.com/vuln/376280	vdb-entry, technical-description
https://vuldb.com/vuln/376280/cti	signature, permissions-required
https://vuldb.com/cve/CVE-2026-14684	third-party-advisory
https://vuldb.com/submit/846754	third-party-advisory
https://github.com/HdrHistogram/HdrHistogram/issues/220	exploit, issue-tracking
https://github.com/HdrHistogram/HdrHistogram/	product

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.