| Name | CVE-2026-14684 |
| Description | 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 actual existence of this vulnerability is currently in question. This issue is disputed due to the potential lack of crossing of security boundaries and the pre-requisites for a successful attack. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1142286 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| hdrhistogram (PTS) | forky, sid, bookworm, bullseye, trixie | 2.1.11-1 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| hdrhistogram | source | (unstable) | (unfixed) | | | 1142286 |
Notes
[trixie] - hdrhistogram <postponed> (Minor issue, revisit when fixed upstream)
[bookworm] - hdrhistogram <postponed> (Minor issue, untrusted-input DoS/integrity; unfixed upstream, revisit when fixed)
[bullseye] - hdrhistogram <postponed> (Minor issue, untrusted-input DoS/integrity; unfixed upstream, revisit when fixed)
https://github.com/HdrHistogram/HdrHistogram/issues/220