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CVE-2026-14683— HdrHistogram AbstractHistogram.java memory allocation

Quick assessment

Affected
n/a HdrHistogram
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

HdrHistogram HdrHistogram是HdrHistogram组织的一款记录高动态范围直方图数据的性能监控工具库。 HdrHistogram存在资源管理错误漏洞，该漏洞源于src/main/java/org/HdrHistogram/AbstractHistogram.java文件中的org.HdrHistogram.AbstractHistogram.decodeFromCompressedByteBuffer函数对参数lengthOfCompressedContents的操作导致不受控制

CVSS 3.3 · Low EPSS 0.16% · P4

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 3

VendorProduct Version RangeStatus
n/a HdrHistogram 2.2.0 affected
2.2.1 affected
2.2.2 affected
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I. Basic Information for CVE-2026-14683

Vulnerability Information
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Vulnerability Title
HdrHistogram AbstractHistogram.java memory allocation
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
未经控制的内存分配
Source: CVE Program / CVE List V5
Vulnerability Title
HdrHistogram 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HdrHistogram HdrHistogram是HdrHistogram组织的一款记录高动态范围直方图数据的性能监控工具库。 HdrHistogram存在资源管理错误漏洞，该漏洞源于src/main/java/org/HdrHistogram/AbstractHistogram.java文件中的org.HdrHistogram.AbstractHistogram.decodeFromCompressedByteBuffer函数对参数lengthOfCompressedContents的操作导致不受控制
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- HdrHistogram 2.2.0 cpe:2.3:a:hdrhistogram:hdrhistogram:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-14683

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III. Intelligence Information for CVE-2026-14683

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Vendor Advisories for CVE-2026-14683 (1)

Same Patch Batch · n/a · 2026-07-04 · 6 CVEs total

CVE-2026-14647 4.3 MEDIUM onnx onnxruntime old.cc convPoolShapeInference_opset19 out-of-bounds
CVE-2026-14629 4.3 MEDIUM RT-Thread Parameter lwp_syscall.c sys_ioctl divide by zero
CVE-2026-14618 4.3 MEDIUM Open5GS AMF nnrf-handler.c amf_nnrf_handle_nf_discover denial of service
CVE-2026-14685 3.3 LOW HdrHistogram AbstractHistogram AbstractHistogram.java recordValueWithCount state issue
CVE-2026-14684 3.3 LOW HdrHistogram AbstractHistogram.java memory allocation

IV. Related Vulnerabilities

Same product: HdrHistogram
Same vendor: n/a
Same weakness: CWE-789

V. Comments for CVE-2026-14683

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