In some circumstances, when DNSdist is configured to use the nghttp2 library to process incoming DNS over HTTPS queries, an attacker might be able to cause a denial of service by crafting a DoH exchange that triggers an unbounded I/O read loop, causing an unexpected consumption of CPU resources.
{
"cna_assigner": "OX",
"cwe_ids": [
"CWE-835"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/30xxx/CVE-2025-30187.json"
}{
"extracted_events": [
{
"range": [
{
"introduced": "1.9.0"
},
{
"fixed": "1.9.11"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
},
{
"range": [
{
"introduced": "2.0.0"
},
{
"fixed": "2.0.1"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
}
]
}