CVE-2026-14684
HdrHistogram AbstractHistogram.java memory allocation
Vexday Risk Score
33Attention
SSVC decision (CISA)
Attend
PoC available → attend closely
CVSS 4.8EPSS 0.1%KEV nãoPoC públicaNuclei —Metasploit —Patch —
Lifecycle
04 Jul 2026Published on NVD
Recommendation: Plan a near-term fix — a public PoC already exists.
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 project was informed of the problem early through an issue report but has not responded yet.
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
n/a · HdrHistogrampublic PoCs found — 1
cve_referencegithub.com/HdrHistogram/HdrHistogram/issues/220unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.