CVE-2026-10705

LOW

dask HLL hyperloglog.py nunique_approx resource consumption

Title source: cna
STIX 2.1

Description

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.

References (7)

Core 7
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-368018 | dask HLL hyperloglog.py nunique_approx resource consumption
https://vuldb.com/vuln/368018
Signature, Permissions Required signature permissions-required
VDB-368018 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/vuln/368018/cti
Third Party Advisory third-party-advisory
CVE-2026-10705 | CVE Analysis and Report
https://vuldb.com/cve/CVE-2026-10705
Third Party Advisory third-party-advisory
Submit #831411 | dask 2026.3.0 Algorithmic Complexity / Hash Collision / Denial of Service
https://vuldb.com/submit/831411
Issue Tracking issue-tracking
https://github.com/dask/dask/issues/12403
Patch issue-tracking patch
https://github.com/dask/dask/pull/12401

Scores

CVSS v3 3.1
EPSS 0.0029
EPSS Percentile 20.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-400 CWE-404
Status published
Products (1)
None/dask 3.0
Published Jun 03, 2026
Tracked Since Jun 03, 2026