CVEvulnerability
CVE-2026-27831
7.5 HIGH
Official page ↗
- Status
- Deferred
- Published
- 2026-02-26
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-125
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.
Related
Weakness · CWE (1)
- CWE-125 Out-of-bounds Read weakness
References
- https://github.com/bluedragonsecurity/rldns-1.3-heap-out-of-bounds-vulnerability-fixed-in-rldns-1.4 github.com
- https://github.com/bluedragonsecurity/rldns/security/advisories/GHSA-fv38-45j4-g9x4 github.com
- https://github.com/bluedragonsecurity/rldns_archives/blob/main/diff/rldns-1.4.diff github.com
- https://medium.com/@w1sdom/heap-based-buffer-over-read-vulnerability-in-rldns-1-3-5da3bccdc031 medium.com
- https://github.com/bluedragonsecurity/rldns/security/advisories/GHSA-fv38-45j4-g9x4 github.com