What’s Vulnerable › Vulnerabilities

CVE-2017-15133

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-01-29 · updated 2026-06-17
• Weakness: CWE-400

Description

A denial of service flaw was found in miekg-dns before 1.0.4. A remote attacker could use carefully timed TCP packets to block the DNS server from accepting new connections.

Affected products

• Miek Gieben miekg-dns: before 1.0.4 — fixed in 1.0.4

How to fix

Upgrade to a fixed version: Miek Gieben miekg-dns 1.0.4. Check the vendor advisory for mitigations.

References

• https://bugzilla.redhat.com/show_bug.cgi?id=1538763
• https://github.com/miekg/dns/issues/627
• https://bugzilla.redhat.com/show_bug.cgi?id=1538763
• https://github.com/miekg/dns/issues/627

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