HarborGuard / CVE
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HIGHCVE-2026-33593Published Modified CNA OX

CVE-2026-33593: Denial of service via crafted DNSCrypt query

A client can trigger a divide by zero error leading to crash by sending a crafted DNSCrypt query.

Metrics

CVSS v3.1
7.5
Severity
HIGH
Fixed in
1.9.13
Affected Products
1

Fix available

1.9.132.0.4
Affected packages
  • PowerDNS / DNSdist
    < 1.9.13 (from 1.9.0) · < 2.0.4 (from 2.0.0)
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References