NVD Vulnerability Detail
Search Exploit, PoC
CVE-2026-33595
Summary

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.

Publication Date April 22, 2026, 11:16 p.m.
Registration Date April 25, 2026, 4:05 a.m.
Last Update April 25, 2026, 3:49 a.m.
CVSS3.1 : HIGH
スコア 7.5
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
攻撃元区分(AV) ネットワーク
攻撃条件の複雑さ(AC)
攻撃に必要な特権レベル(PR) 不要
利用者の関与(UI) 不要
影響の想定範囲(S) 変更なし
機密性への影響(C) なし
完全性への影響(I) なし
可用性への影響(A)
Affected software configurations
Configuration1 or higher or less more than less than
cpe:2.3:a:powerdns:dnsdist:*:*:*:*:*:*:*:* 1.9.0 1.9.13
cpe:2.3:a:powerdns:dnsdist:*:*:*:*:*:*:*:* 2.0.0 2.0.4
Related information, measures and tools
Common Vulnerabilities List