Answer in brief
CVE-2023-30464 records a Medium severity (CVSS 3.7) vulnerability in CoreDNS Cache Poisoning via a birthday attack. The current sources do not mark it as known exploited. The current feed maps github.com/coredns/coredns (go), github.com/coredns/coredns (go). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 3.7. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps github.com/coredns/coredns (go), github.com/coredns/coredns (go). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| github.com/coredns/corednsgo | <=1.10.1 | Not reported |
| github.com/coredns/corednsgo | >=0 | Not reported |
Published upstream
Sep 18, 2024
Evidence: source:osv:source_dates:source-dates:recordSource modified
Sep 10, 2026
Evidence: source:osv:source_dates:source-dates:recordFirst seen by HOL
Jun 11, 2026
CoreDNS through 1.10.1 enables attackers to achieve DNS cache poisoning and inject fake responses via a birthday attack.
Quoted source text, attributed separately from HOL analysis.