CVE-2026-33598 MEDIUM

CVE-2026-33598: Out-of-bounds read in cache inspection via Lua

Vendor Powerdns
Product DNSdist
Published April 22, 2026
Last update April 22, 2026
View on NVD All CVEs

CVSS base score

4.8/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality Low
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L

What the vulnerability does

01Description

A cached crafted response can cause an out-of-bounds read if custom Lua code calls getDomainListByAddress() or getAddressListByDomain() on a packet cache.

Key dates

02Disclosure timeline

April 22, 2026 CVE published
April 22, 2026 Record updated