CVE-2026-14684

hdrhistogram: A flaw has been found in HdrHistogram up to 2.2.2

CVE-2026-14684 is fixed in hdrhistogram on 1 platform by DEBIAN-CVE-2026-14684 (version 2.2.2-1), released August 1, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
n/a
No vendor severity
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0016
5th percentile

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.

Where it's fixed

ProductFixed inFixReleased
Linux
hdrhistogram · Debian 14 2.2.2-1 DEBIAN-CVE-2026-14684 Aug 1, 2026

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