# io.netty:netty-resolver-dns (Maven) vulnerabilities

3 known vulnerabilities (2 high, 1 medium), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: not known (cve.now hasn't read this package's releases)
- Newest unaffected release: not known without release data
- Dependents: 0
- Registry: https://central.sonatype.com/artifact/io.netty/netty-resolver-dns

## Advisories (3)

### [CVE-2026-47691](https://cve.now/CVE-2026-47691): Netty has Insufficient Bailiwick Validation for NS Records

- Severity: High 8.7
- Published: Jun 12, 2026
- Affected: from 4.2.0.Final, fixed in 4.2.15.Final; fixed in 4.1.135.Final.

### [CVE-2026-45674](https://cve.now/CVE-2026-45674): Netty Vulnerable to DNS Cache Poisoning via Missing Bailiwick Checks in CNAME Records

- Severity: High 8.7
- Published: Jun 12, 2026
- Affected: from 4.2.0.Final, fixed in 4.2.15.Final; fixed in 4.1.135.Final.

### [CVE-2026-45673](https://cve.now/CVE-2026-45673): Netty: DNS Cache Poisoning due to Predictable PRNG and Default Static Source Port

- Severity: Medium 6.8
- Published: Jun 12, 2026
- Affected: from 4.2.0.Final, fixed in 4.2.15.Final; fixed in 4.1.135.Final.

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