CVE-2026-14683
HdrHistogram AbstractHistogram.java memory allocation
CVSS Score
3.3
EPSS Score
0.1%
EPSS Percentile
2th
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. It is still unclear if this vulnerability genuinely exists. This issue is disputed due to the potential lack of crossing of security boundaries and the pre-requisites for a successful attack.
| CWE | CWE-789 CWE-400 |
| Vendor | n/a |
| Product | hdrhistogram |
| Published | Jul 4, 2026 |
| Last Updated | Jul 16, 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