Vulnerability · Published Jul 5, 2026 · Assigned by VulDB
CVE-2026-14686HdrHistogram Range Check DoubleHistogram.java org.HdrHistogram.DoubleHistogram.recordValue comparison
Low 3.3
In plain English
A low-severity security flaw in HdrHistogram. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
A vulnerability was found in HdrHistogram up to 2.2.2. This issue affects the function org.HdrHistogram.DoubleHistogram.recordValue of the file src/main/java/org/HdrHistogram/DoubleHistogram.java of the component Range Check. Performing a manipulation results in incorrect comparison. The attack is only possible with local access. The exploit has been made public and could be used. The presence of this vulnerability remains uncertain at this time. This issue is disputed due to the potential lack of crossing of security boundaries and the pre-requisites for a successful attack.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | hdrhistogram | no fix listed | DEBIAN-CVE-2026-14686 |
| Debian:13 | hdrhistogram | no fix listed | DEBIAN-CVE-2026-14686 |
| Debian:14 | hdrhistogram | 2.2.2-1 | DEBIAN-CVE-2026-14686 |
| Ubuntu:22.04:LTS | hdrhistogram | no fix listed | UBUNTU-CVE-2026-14686 |
| Ubuntu:24.04:LTS | hdrhistogram | no fix listed | UBUNTU-CVE-2026-14686 |
| Ubuntu:25.10 | hdrhistogram | no fix listed | UBUNTU-CVE-2026-14686 |
| Ubuntu:26.04:LTS | hdrhistogram | no fix listed | UBUNTU-CVE-2026-14686 |
| Ubuntu:26.10 | hdrhistogram | no fix listed | UBUNTU-CVE-2026-14686 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | HdrHistogram | 2.2.02.2.12.2.2 |
Weakness: CWE-697 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
References
- VDB-376282 | HdrHistogram Range Check DoubleHistogram.java org.HdrHistogram.DoubleHistogram.recordValue comparison vdb-entry, technical-description
- VDB-376282 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-14686 | CVE Analysis and Report third-party-advisory
- Submit #846762 | HdrHistogram (Open Source) HdrHistogram 2.2.2 and earlier Improper Input Validation third-party-advisory
- https://github.com/HdrHistogram/HdrHistogram/issues/222 exploit, issue-tracking
- https://github.com/HdrHistogram/HdrHistogram/ product