# hickory-resolver (crates.io) vulnerabilities

Source: https://junglewise.ai/threats/technologies/crates-io-hickory-resolver  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/crates-io-hickory-resolver.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 3 vulnerabilities in hickory-resolver (crates.io): 0 in the last 7 days and 3 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, hickory-resolver follows irrelevant CNAME records, was published on 5 October 2026. Nothing in the last four weeks, down from 3 vulnerabilities in the four before.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 3
- All time: 3 (0 critical, 0 exploited in the wild)

## About hickory-resolver (crates.io)

Rust DNS resolver library providing domain name resolution capabilities.

## Latest hickory-resolver (crates.io) vulnerabilities

- [hickory-resolver follows irrelevant CNAME records](https://junglewise.ai/threats/hickory-resolver-follows-irrelevant-cname-records-034cb075) (medium, published 5 Oct 2026)
- [hickory-resolver unbounded TC-retry loop resource exhaustion](https://junglewise.ai/threats/hickory-resolver-unbounded-tc-retry-loop-in-nameserverpool-try-send-05a82881) (high, published 5 Oct 2026)
- [CVE-2026-93657: hickory-resolver DNSSEC validation bypass in lookup APIs](https://junglewise.ai/threats/cve-2026-93657-hickory-resolver-dnssec-validation-bypass-in-lookup-apis) (high, CVSS 7.5, published 18 Sep 2026)

## Most severe hickory-resolver (crates.io) vulnerabilities

- [CVE-2026-93657: hickory-resolver DNSSEC validation bypass in lookup APIs](https://junglewise.ai/threats/cve-2026-93657-hickory-resolver-dnssec-validation-bypass-in-lookup-apis) (high, CVSS 7.5, published 18 Sep 2026)
- [hickory-resolver unbounded TC-retry loop resource exhaustion](https://junglewise.ai/threats/hickory-resolver-unbounded-tc-retry-loop-in-nameserverpool-try-send-05a82881) (high, published 5 Oct 2026)
- [hickory-resolver follows irrelevant CNAME records](https://junglewise.ai/threats/hickory-resolver-follows-irrelevant-cname-records-034cb075) (medium, published 5 Oct 2026)

## Vulnerabilities per week

Nothing in the last four weeks, down from 3 vulnerabilities in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 1 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 2 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other crates.io technologies

- [surrealdb (crates.io)](https://junglewise.ai/threats/technologies/surrealdb): 83 vulnerabilities
- [wasmtime (crates.io)](https://junglewise.ai/threats/technologies/wasmtime): 67 vulnerabilities
- [deno (crates.io)](https://junglewise.ai/threats/technologies/deno): 39 vulnerabilities
- [zebrad (crates.io)](https://junglewise.ai/threats/technologies/zebrad): 27 vulnerabilities
- [russh (crates.io)](https://junglewise.ai/threats/technologies/crates-io-russh): 26 vulnerabilities
- [openssl-src (crates.io)](https://junglewise.ai/threats/technologies/openssl-src): 26 vulnerabilities
- [openssl (crates.io)](https://junglewise.ai/threats/technologies/crates-io-openssl): 25 vulnerabilities
- [rustfs (crates.io)](https://junglewise.ai/threats/technologies/rustfs): 25 vulnerabilities
- [coreutils (crates.io)](https://junglewise.ai/threats/technologies/crates-io-coreutils): 21 vulnerabilities
- [ckb (crates.io)](https://junglewise.ai/threats/technologies/ckb): 19 vulnerabilities
- [apollo-router (crates.io)](https://junglewise.ai/threats/technologies/apollo-router): 13 vulnerabilities
- [deepseek-tui (crates.io)](https://junglewise.ai/threats/technologies/deepseek-tui): 13 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "hickory-resolver (crates.io) vulnerabilities", https://junglewise.ai/threats/technologies/crates-io-hickory-resolver, 9 November 2026.