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websafe-kb/08-threat-intel/registry/advisories/undici--CVE-2025-47279.json

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{
"canonical_id": "undici--CVE-2025-47279",
"system_id": "undici",
"display_name": "Undici",
"category": "frameworks",
"advisory_mode": "core",
"title": "undici Denial of Service attack via bad certificate data",
"summary": "### Impact\n\nApplications that use undici to implement a webhook-like system are vulnerable. If the attacker set up a server with an invalid certificate, and they can force the application to call the webhook repeatedly, then they can cause a memory leak. \n\n### Patches\n\nThis has been patched in https://github.com/nodejs/undici/pull/4088.\n\n### Workarounds\n\nIf a webhook fails, avoid keep calling it repeatedly.\n\n### References\n\nReported as: https://github.com/nodejs/undici/issues/3895",
"published_at": "2025-05-15T14:15:06Z",
"updated_at": "2026-02-06T22:08:08.311705Z",
"severity": "low",
"cvss_score": 3.1,
"exploit_status": "unknown",
"source_confidence": "official",
"official_source_url": "https://github.com/nodejs/undici/security/advisories/GHSA-cxrh-j4jr-qwg3",
"secondary_source_urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2025-47279",
"https://github.com/nodejs/undici/issues/3895",
"https://github.com/nodejs/undici/pull/4088",
"https://github.com/nodejs/undici/commit/f317618ec28753a4218beccea048bcf89c36db25",
"https://github.com/nodejs/undici"
],
"aliases": [
"CVE-2025-47279",
"GHSA-cxrh-j4jr-qwg3"
],
"cve_ids": [
"CVE-2025-47279"
],
"ghsa_ids": [
"GHSA-cxrh-j4jr-qwg3"
],
"osv_ids": [
"GHSA-cxrh-j4jr-qwg3"
],
"affected_versions": [
"introduced=0, fixed<5.29.0",
"introduced=6.0.0, fixed<6.21.2",
"introduced=7.0.0, fixed<7.5.0"
],
"fixed_versions": [
"5.29.0",
"6.21.2",
"7.5.0"
],
"package_name": "undici",
"render_markdown": true,
"case_path": "07-framework-security/frameworks/undici/cases/undici-cve-2025-47279.md",
"secure_code_topics": [
"ssrf-url-validation",
"proxy-trust-boundary"
],
"status": "generated",
"triage_reasons": [],
"metadata": {
"source_names": [
"OSV Undici"
],
"source_kinds": [
"osv-batch"
],
"candidate_count": 1
}
}