CVE-2026-10705 | THREATINT

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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.

PUBLISHED Reserved 2026-06-02 | Published 2026-06-03 | Updated 2026-06-03 | Assigner VulDB

LOW: 2.3CVSS: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

LOW: 3.1CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L/E:X/RL:X/RC:R

LOW: 3.1CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L/E:X/RL:X/RC:R

2.1AV:N/AC:H/Au:S/C:N/I:N/A:P/E:ND/RL:ND/RC:UR

Problem types

Resource Consumption

Denial of Service

Timeline

2026-06-02:	Advisory disclosed
2026-06-02:	VulDB entry created
2026-06-02:	VulDB entry last update

Credits

Dem0 (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/368018 (VDB-368018 | dask HLL hyperloglog.py nunique_approx resource consumption) vdb-entry technical-description

vuldb.com/vuln/368018/cti (VDB-368018 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/cve/CVE-2026-10705 (CVE-2026-10705 | CVE Analysis and Report) third-party-advisory

vuldb.com/submit/831411 (Submit #831411 | dask 2026.3.0 Algorithmic Complexity / Hash Collision / Denial of Service) third-party-advisory

github.com/dask/dask/issues/12403 issue-tracking

github.com/dask/dask/pull/12401 issue-tracking patch

github.com/dask/dask/ product

cve.org (CVE-2026-10705)

nvd.nist.gov (CVE-2026-10705)

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