dask up to 3.0 HLL hyperloglog.py nunique_approx resource consumption

CVSS Meta Temp Score
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CTI Interest Score
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3.0$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in dask up to 3.0. This affects the function nunique_approx of the file dask/dataframe/hyperloglog.py of the component HLL Handler. Such manipulation leads to resource consumption. This vulnerability is listed as CVE-2026-10705. The attack may be performed from remote. There is no available exploit. The pull request to fix this issue awaits acceptance.

Detailsinfo

A vulnerability was found in dask up to 3.0. It has been rated as problematic. Affected by this issue is the function nunique_approx of the file dask/dataframe/hyperloglog.py of the component HLL Handler. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is availability.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-10705. The exploitation is known to be difficult. The attack may be launched remotely. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

The pull request to fix this issue awaits acceptance.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-34064). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 3.1
VulDB Meta Temp Score: 3.0

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 3.1
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

06/02/2026 Advisory disclosed
06/02/2026 +0 days VulDB entry created
06/07/2026 +5 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 12403
Status: Not defined
Confirmation: 🔒

CVE: CVE-2026-10705 (🔒)
GCVE (CVE): GCVE-0-2026-10705
GCVE (VulDB): GCVE-100-368018
EUVD: 🔒

Entryinfo

Created: 06/02/2026 19:51
Updated: 06/07/2026 23:36
Changes: 06/02/2026 19:51 (55), 06/03/2026 05:15 (1), 06/07/2026 23:36 (29)
Complete: 🔍
Submitter: Dem0
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #831411: dask 2026.3.0 Algorithmic Complexity / Hash Collision / Denial of Service (by Dem0)

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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