CVE-2026-27831
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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductBluedragonsecurity Rldns
PublishedFeb 26, 2026
First seenFeb 26, 2026
Weakness typeCWE-125Out-of-bounds read
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| bluedragonsecurity rldns | = 1.3 | — |
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