CVE-2026-10705CWE-400CWE-404

dask HLL hyperloglog.py nunique_approx resource consumption

Low · published June 3, 2026

CVSS v4.0
2.3
EPSS
0%
Percentile
20.1
In the wild
Unconfirmed
What it is

A flaw has been found in dask up to 3.0. Affected by this issue is the function nunique_approx of the file dask/dataframe/hyperloglog.py of the component HLL Handler. This manipulation causes resource consumption. The attack is possible to be carried out remotely. A high degree of complexity is needed for the attack. The exploitation is known to be difficult. The pull request to fix this issue awaits acceptance.

The record
Technical detail
CVSS v4.0
2.3 · LOW
Vector
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X
EPSS
0.00287 · 20.1th percentile
Weaknesses
CWE-400 · Uncontrolled Resource Consumption; CWE-404 · Improper Resource Shutdown or Release
Published
2026-06-03T01:15Z
EPSS history
Timeline
  • 03 JUN 01:15Z
    dask HLL hyperloglog.py nunique_approx resource consumption
    cvelistv5