webpki 0.103.12

{
  "id": "505149e52d81fbc01db3d3755a58006b9acf99f0be13f46a23ecedb046147fa3",
  "url": "https://github.com/rustls/webpki/releases/tag/v%2F0.103.12",
  "method": "llm",
  "payload": {
    "kind": "patch",
    "title": "webpki 0.103.12",
    "summary": "webpki 0.103.12 fixes two bugs in name constraint enforcement: URI name constraints are now rejected unconditionally, and permitted DNS subtrees are no longer accepted for certificates asserting wildcard names. Exploitation requires misissuance and occurs only after signature verification.",
    "evidence": "This release fixes two bugs in name constraint enforcement",
    "products": [
      {
        "name": {
          "value": "webpki",
          "evidence": "Release notes from webpki"
        },
        "prerequisites": [
          {
            "value": "misissuance",
            "evidence": "require misissuance to exploit"
          }
        ],
        "fixed_versions": [
          {
            "value": "0.103.12",
            "evidence": "0.103.12"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "fixed_cves": [],
    "related_cves": [
      {
        "value": "CVE-2025-61727",
        "evidence": "This is very similar to CVE-2025-61727."
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "github-rustls-webpki",
  "document_id": 22575,
  "published_at": "2026-04-14T09:38:39+00:00"
}