CVE-2026-14684

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.

Database specific

{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/14xxx/CVE-2026-14684.json",
    "cna_assigner": "VulDB",
    "cwe_ids": [
        "CWE-400",
        "CWE-789"
    ],
    "unresolved_ranges": [
        {
            "source": "AFFECTED_FIELD",
            "extracted_events": [
                {
                    "introduced": "2.2.0"
                },
                {
                    "last_affected": "2.2.0"
                }
            ]
        }
    ]
}

References

Affected packages

Git / github.com/hdrhistogram/hdrhistogram

Affected ranges

Type

GIT

Repo

https://github.com/hdrhistogram/hdrhistogram

Events

Introduced

05ea4e1f8bd3f623eeac1ebc7511e3cf9e56115d

Last affected

3ae7ae18d81887484974011c1c7a2bdc9178ab09

Database specific

{
    "source": "AFFECTED_FIELD",
    "extracted_events": [
        {
            "introduced": "2.2.1"
        },
        {
            "last_affected": "2.2.1"
        },
        {
            "introduced": "2.2.2"
        },
        {
            "last_affected": "2.2.2"
        }
    ]
}

Affected versions

2.*

2.2.1

2.2.2

HdrHistogram-2.*

HdrHistogram-2.2.1

HdrHistogram-2.2.2

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-14684.json"