CVE-2026-14683
HdrHistogram AbstractHistogram.java memory allocation
CVSS Score
3.3
EPSS Score
0.0%
EPSS Percentile
0th
A vulnerability was detected in HdrHistogram up to 2.2.2. Affected by this issue is the function org.HdrHistogram.AbstractHistogram.decodeFromCompressedByteBuffer of the file src/main/java/org/HdrHistogram/AbstractHistogram.java. The manipulation of the argument lengthOfCompressedContents results in uncontrolled memory allocation. The attack needs to be approached locally. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
| CWE | CWE-789 CWE-400 |
| Vendor | n/a |
| Product | hdrhistogram |
| Published | Jul 4, 2026 |
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CVSS v3 Breakdown
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 Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
n/a / HdrHistogram
2.2.0 2.2.1 2.2.2
References
vuldb.com: https://vuldb.com/vuln/376279 vuldb.com: https://vuldb.com/vuln/376279/cti vuldb.com: https://vuldb.com/cve/CVE-2026-14683 vuldb.com: https://vuldb.com/submit/846750 vuldb.com: https://vuldb.com/submit/846752 github.com: https://github.com/HdrHistogram/HdrHistogram/issues/219 github.com: https://github.com/HdrHistogram/HdrHistogram/
Credits
🔍 sara11h (VulDB User) VulDB CNA Team