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CVE-2026-27831

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CVE-2026-27831

Published: Feb 26, 2026

Modified: Feb 27, 2026

PUBLISHED

CVSS v3.1

7.5

HIGH

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.

VendorProductVersions

bluedragonsecurity

rldns

affected
= 1.3

Weaknesses (CWE)

CWE-125

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

References

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