{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-77630", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-08-20T20:52:01.927Z", "datePublished": "2026-10-16T15:36:05.117Z", "dateUpdated": "2026-10-16T15:36:05.117Z"}, "containers": {"cna": {"title": "pupnp: Denial of service via blocking DNS resolution in parse_uri()/GENA callback parsing", "problemTypes": [{"descriptions": [{"cweId": "CWE-400", "lang": "en", "description": "CWE-400: Uncontrolled Resource Consumption", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/pupnp/pupnp/security/advisories/GHSA-46ph-jff5-5h77", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/pupnp/pupnp/security/advisories/GHSA-46ph-jff5-5h77"}, {"name": "https://github.com/pupnp/pupnp/commit/5dba8070b4d64d976f8e6fc13f1f301befebe7d2", "tags": ["x_refsource_MISC"], "url": "https://github.com/pupnp/pupnp/commit/5dba8070b4d64d976f8e6fc13f1f301befebe7d2"}, {"name": "https://github.com/pupnp/pupnp/releases/tag/release-22.0.4", "tags": ["x_refsource_MISC"], "url": "https://github.com/pupnp/pupnp/releases/tag/release-22.0.4"}, {"name": "https://issues.oss-fuzz.com/issues/531780528", "tags": ["x_refsource_MISC"], "url": "https://issues.oss-fuzz.com/issues/531780528"}], "affected": [{"vendor": "pupnp", "product": "pupnp", "versions": [{"version": "< 22.0.4", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-16T15:36:05.117Z"}, "descriptions": [{"lang": "en", "value": "pupnp is an SDK for development of UPnP device and control point applications. Prior to 22.0.4, parse_hostport in upnp/src/genlib/net/uri/uri.c synchronously calls getaddrinfo while parse_uri is processing attacker-supplied hostnames from inbound HTTP request targets in upnp/src/genlib/net/http/httpparser.c and GENA SUBSCRIBE CALLBACK headers handled by create_url_list in upnp/src/gena/gena_device.c. A remote unauthenticated peer can choose a slow or nonresponsive hostname and block a bounded miniserver worker for the resolver timeout, allowing a small number of requests to exhaust the thread pool and deny UPnP service. This issue is fixed in 22.0.4."}], "source": {"advisory": "GHSA-46ph-jff5-5h77", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "pupnp", "vendor": "pupnp", "versions": [{"status": "affected", "version": "< 22.0.4"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "pupnp is an SDK for development of UPnP device and control point applications. Prior to 22.0.4, parse_hostport in upnp/src/genlib/net/uri/uri.c synchronously calls getaddrinfo while parse_uri is processing attacker-supplied hostnames from inbound HTTP request targets in upnp/src/genlib/net/http/httpparser.c and GENA SUBSCRIBE CALLBACK headers handled by create_url_list in upnp/src/gena/gena_device.c. A remote unauthenticated peer can choose a slow or nonresponsive hostname and block a bounded miniserver worker for the resolver timeout, allowing a small number of requests to exhaust the thread pool and deny UPnP service. This issue is fixed in 22.0.4."}], "id": "CVE-2026-77630", "lastModified": "2026-10-16T16:21:03.187", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-10-16T16:21:03.187", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/pupnp/pupnp/commit/5dba8070b4d64d976f8e6fc13f1f301befebe7d2"}, {"source": "security-advisories@github.com", "url": "https://github.com/pupnp/pupnp/releases/tag/release-22.0.4"}, {"source": "security-advisories@github.com", "url": "https://github.com/pupnp/pupnp/security/advisories/GHSA-46ph-jff5-5h77"}, {"source": "security-advisories@github.com", "url": "https://issues.oss-fuzz.com/issues/531780528"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}