GO-2026-5164

vendorUSosv

CoreDNS DoH GET oversized dns= query parameter causes pre-validation CPU and memory amplification in github.com/coredns/coredns

view advisory published 2026-06-25Licence: per source

CoreDNS DoH GET oversized dns= query parameter causes pre-validation CPU and memory amplification in github.com/coredns/coredns

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describes (1)

Related CVEs.

IDseverity exploitable
CVE-2026-32936UShigh7.5—
CoreDNS is a DNS server that chains plugins. In versions prior to 1.14.3, the DNS-over-HTTPS (DoH) GET path accepts oversized dns= query parameter values and performs URL query par…
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references

External citations — patches, advisories, analysis.

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