# hickory-proto (crates.io) 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
- Weekly downloads: 2.6M
- Dependents: 0
- Registry: https://crates.io/crates/hickory-proto

## Advisories (3)

### [CVE-2026-123608](https://cve.now/CVE-2026-123608): Hickory DNS hickory-proto 0.3.1 before 0.26.1 CPU Exhaustion via BinEncoder Name Compression

- Severity: High 8.7
- Published: Nov 8, 2026
- Affected: from 0.3.1, fixed in 0.26.1.

### [GHSA-3V94-MW7P-V465](https://cve.now/GHSA-3V94-MW7P-V465): hickory-proto: NSEC3 closest-encloser proof validation enters unbounded loop on cross-zone responses

- Severity: High
- Published: May 7, 2026
- Affected: from 0.25.0-alpha.3, through 0.25.2; from 0.25.0-alpha.3, fixed in 0.26.0-beta.1.

### [CVE-2025-25188](https://cve.now/CVE-2025-25188): DNSSEC validation may accept broken authentication chains

- Severity: Medium 5.7
- Published: Feb 10, 2025
- Affected: from 0.8.0, fixed in 0.24.3.

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