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Fencer Vulns
low 3.3

CVE-2026-14685 json

HdrHistogram AbstractHistogram AbstractHistogram.java recordValueWithCount state issue

published 2026-07-04 4 mo ago modified 2026-07-16 3 mo ago also EUVD-2026-41707

cvss
3.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 5%
public exploits
0
none known

Summary

A vulnerability has been found in HdrHistogram up to 2.2.2. This vulnerability affects the function recordValueWithCount of the file src/main/java/org/HdrHistogram/AbstractHistogram.java of the component AbstractHistogram. Such manipulation of the argument Count leads to state issue. The attack can only be performed from a local environment. The exploit has been disclosed to the public and may be used. The existence of this vulnerability is still disputed at present. This issue is disputed due to the potential lack of crossing of security boundaries and the pre-requisites for a successful attack.

Patch / fix

  • hdrhistogram Debian 14 2.2.2-1

debian advisories DEBIAN-CVE-2026-14685

  • netavark hummingbird 1 2.0.0-1.hum1
  • netavark-tests hummingbird 1 2.0.0-1.hum1
  • rust hummingbird 1 1.96.1-1.hum1
  • cargo hummingbird 1 1.96.1-1.hum1
  • clippy hummingbird 1 1.96.1-1.hum1
  • rustfmt hummingbird 1 1.96.1-1.hum1
  • rust-gdb hummingbird 1 1.96.1-1.hum1
  • rust-src hummingbird 1 1.96.1-1.hum1

red hat advisories RHSA-2026:26989RHSA-2026:34975

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-14685 updated cvss 3.3

HdrHistogram: HdrHistogram: Local state issue via 'Count' argument manipulation

  • Red Hat Ansible Automation Platform 2 ansible-automation-platform-25/lightspeed-chatbot-rhel8 Red Hat Enterprise Linux 8 HdrHistogram, HdrHistogram-javadoc Red Hat OpenShift AI (RHOAI) rhoai/odh-trustyai-service-rhel9, rhoai/odh-workbench-jupyter-trustyai-cpu-py312-rhel9
    affected: workaround, no fix available “Fix deferred”
  • Red Hat Hardened Images rust 1.96.1-1.hum1, cargo 1.96.1-1.hum1, clippy 1.96.1-1.hum1, netavark 2.0.0-1.hum1, rustfmt 1.96.1-1.hum1, rust-gdb 1.96.1-1.hum1, +13 more
    fixed: vendor fix RHSA-2026:34975
  • Red Hat Logging Subsystem for Red Hat OpenShift openshift-logging/vector-rhel9 Red Hat OpenShift Lightspeed openshift-lightspeed/lightspeed-ocp-rag-rhel9, openshift-lightspeed-tech-preview/lightspeed-rag-tool-rhel9 Red Hat OpenShift Service Mesh 3 openshift-service-mesh/istio-ztunnel-rhel9 Red Hat OpenShift AI (RHOAI) rhoai/odh-llm-d-inference-scheduler-rhel9, rhoai/odh-model-registry-job-async-upload-rhel9 Red Hat OpenShift Container Platform 4 conmon-rs Red Hat OpenShift Update Service openshift-update-service/openshift-update-service-rhel8
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
4 mo ago

Exploit prediction

0.16% chance of exploitation in the next 30 days, higher than 5% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/HdrHistogram/HdrHistogram/issues/221 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 4.0 4.8 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
CNA 3.1 3.3 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
CNA 3.0 3.3 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
CNA 2.0 1.7 AV:L/AC:L/Au:S/C:N/I:P/A:N/E:POC/RL:ND/RC:UR
CNA 4.0 1.9 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CNA 3.1 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CNA 2.0 1.7 AV:L/AC:L/Au:S/C:N/I:P/A:N

Affected products

  • n/a HdrHistogram

Classification

Weakness

References

Sources

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