A client can trigger excessive memory allocation by generating a lot of errors responses over a single DoQ and DoH3 connection, as some resources were not properly released until the end of the connection.

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Advisories

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Fixes

Solution

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Workaround

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History

Wed, 22 Apr 2026 15:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-770
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 22 Apr 2026 14:15:00 +0000

Type Values Removed Values Added
Description A client can trigger excessive memory allocation by generating a lot of errors responses over a single DoQ and DoH3 connection, as some resources were not properly released until the end of the connection.
Title DoQ/DoH3 excessive memory allocation
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: OX

Published:

Updated: 2026-04-22T14:40:28.647Z

Reserved: 2026-03-23T12:57:56.814Z

Link: CVE-2026-33595

cve-icon Vulnrichment

Updated: 2026-04-22T14:40:15.272Z

cve-icon NVD

Status : Received

Published: 2026-04-22T14:16:53.950

Modified: 2026-04-22T15:16:13.090

Link: CVE-2026-33595

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses