CVE-2026-123575
Last modified
CVE-2026-123575 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Hickory DNS before 0.26.2 contains a resource exhaustion vulnerability in its DNS-over-HTTPS HTTP/2 server that lacks sufficient timeouts or limits for incomplete request bodies. Remote attackers can open DoH connections, send incomplete request bodies, and hold connections open to exhaust server memory..
Description
Hickory DNS before 0.26.2 contains a resource exhaustion vulnerability in its DNS-over-HTTPS HTTP/2 server that lacks sufficient timeouts or limits for incomplete request bodies. Remote attackers can open DoH connections, send incomplete request bodies, and hold connections open to exhaust server memory.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| hickory-dns | hickory-dns | < 0.26.2 |
References
Timeline
- Published
- Last Modified
- Status
- Received
Frequently Asked Questions
What is CVE-2026-123575?
How severe is CVE-2026-123575?
How do I fix CVE-2026-123575?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-12357Heimdall Data Database Proxy generateFileContent CRLF Inject…7.2
- CVE-2026-123570The DNS wire-format message parser in hickory-proto (Hickory…7.5
- CVE-2026-123571Hickory DNS from 0.26.0 before 0.26.2 contains an integer un…7.5
- CVE-2026-123572Hickory-dns from 0.20.1 before 0.26.2 contains a denial of s…7.5
- CVE-2026-123573hickory-dns from 0.20.1 before 0.26.2 contains a denial of s…7.5
- CVE-2026-123574The zone file parser in the hickory-proto crate of Hickory D…7.5
- CVE-2026-123576Hickory DNS 0.24.0 through 0.26.1 contains a memory exhausti…7.5
- CVE-2026-123577Hickory DNS from 0.24.0 before 0.26.2 contains a resource ex…7.5
- CVE-2026-123578Hickory DNS hickory-net 0.26.0 before 0.26.2 and hickory-pro…3.7
- CVE-2026-123579DNSSEC validation in Hickory DNS hickory-net 0.26.0-beta.1 b…3.7
- CVE-2026-12358IBM Verify Identity Access could allow a remote attacker to …7.5
- CVE-2026-123580Hickory DNS hickory-net 0.26.0-beta.1 before 0.26.2 and hick…7.5
Are you affected by CVE-2026-123575?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
