CVE-2026-27831

Published February 26th, 2026

View on NVD ↗

CVSS v3

7.5

HIGH

CVSS v2

N/A

Affected

PROJECTS

Description

rldns is an open source DNS server. Version 1.3 has a heap-based out-of-bounds read that leads to denial of service. Version 1.4 contains a patch for the issue.

bluedragonsecurity/rldns-1.3-heap-out-of-bounds-vulnerability-fixed-in-rldns-1.4

rldns-1.3 heap based buffer over-read vulnerability fixed in rldns-1.4

GitHub

bluedragonsecurity/rldns

rldns is an open source lightweight DNS server for linux, netbsd, freebsd, and openbsd. Runs on x86 and x86_64. Latest version : rldns-1.4 - released on Feb 2026

GitHub

bluedragonsecurity/rldns_archives

rldns is an open source lightweight DNS server for linux, netbsd, freebsd, and openbsd. Runs on x86 and x86_64 architecture

GitHub