github - ghsa-2qmc-ch65-q9cm

ghsa-2qmc-ch65-q9cm

Vulnerability from github

Published

2025-09-18 12:30

Modified

2025-11-05 00:31

Severity ?

3.7 (Low) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Details

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.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-30187"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-835"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-09-18T10:15:32Z",
    "severity": "LOW"
  },
  "details": "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.",
  "id": "GHSA-2qmc-ch65-q9cm",
  "modified": "2025-11-05T00:31:28Z",
  "published": "2025-09-18T12:30:26Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-30187"
    },
    {
      "type": "WEB",
      "url": "https://www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2025-05.html"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2025/09/18/1"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2025-30187 (GCVE-0-2025-30187)

Vulnerability from cvelistv5

Published

2025-09-18 09:21

Modified

2025-11-04 21:09

Severity ?

3.7 (Low) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

CWE

CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Summary

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.

References

URL

Tags

https://www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2025-05.html

Impacted products

	Vendor	Product	Version
	PowerDNS	DNSdist	Version: 1.9.0 ≤ Version: 2.0.0 ≤

Show details on NVD website

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                ],
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                "timestamp": "2025-09-18T13:38:54.571103Z",
                "version": "2.0.3"
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