CVE-2026-10705

dask HLL hyperloglog.py nunique_approx resource consumption

Published Jun 3, 2026 CVSS 4.0 · 2.3 Low EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title dask HLL hyperloglog.py nunique_approx resource consumption
First Time appeared Dask
Dask dask
Weaknesses CWE-400
CWE-404
CPEs cpe:2.3:a:dask:dask:*:*:*:*:*:*:*:*
Vendors & Products Dask
Dask dask
References
Metrics cvssV2_0

{'score': 2.1, 'vector': 'AV:N/AC:H/Au:S/C:N/I:N/A:P/E:ND/RL:ND/RC:UR'}

cvssV3_0

{'score': 3.1, 'vector': 'CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L/E:X/RL:X/RC:R'}

cvssV3_1

{'score': 3.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L/E:X/RL:X/RC:R'}

cvssV4_0

{'score': 2.3, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Jun 3, 2026, 2:11 PM
Reserved
Jun 2, 2026, 5:46 PM
Status
Deferred
Published
Jun 3, 2026, 2:16 AM
Modified
Jul 22, 2026, 7:10 PM