{"id":"CVE-2026-77630","aliases":["DEBIAN-CVE-2026-77630","EUVD-2026-102933","GHSA-46ph-jff5-5h77","UBUNTU-CVE-2026-77630"],"status":"published","title":"pupnp: Denial of service via blocking DNS resolution in parse_uri()/GENA callback parsing","description":"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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.0034,"percentile":0.27914,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-400"],"published":"2026-10-16T15:36:05Z","modified":"2026-10-28T20:15:22Z","fixes":[{"ecosystem":"Debian:14","package":"pupnp","fixed_in":["1:22.1.8-2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:13","package":"pupnp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.14.20-1","1:1.14.20-1+deb13u1","1:1.14.23-1","1:1.14.24-1","1:1.14.24-2","1:1.14.24-3","1:1.14.25-1","1:1.14.31-1","1:1.18.0-1","1:1.18.4-1","1:1.18.5-1","1:22.1.8-1","1:22.1.8-2"]},{"source":"osv","ecosystem":"Debian:14","package":"pupnp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:22.1.8-2"}]}],"versions":["1:1.14.20-1","1:1.14.23-1","1:1.14.24-1","1:1.14.24-2","1:1.14.24-3","1:1.14.25-1","1:1.14.31-1","1:1.18.0-1","1:1.18.4-1","1:1.18.5-1","1:22.1.8-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"libupnp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.6.19+git20141001-1","1:1.6.19+git20141001-1ubuntu1","1:1.6.19+git20160116-1","1:1.6.19+git20160116-1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"mediatomb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.12.1-47-g7ab7616-1ubuntu1","0.12.1-47-g7ab7616-1ubuntu2"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"libupnp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.6.22-1","1:1.6.24-1","1:1.6.24-2","1:1.6.24-3","1:1.6.24-4"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"pupnp-1.8","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.8.2-2","1:1.8.2-3"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"pupnp-1.8","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.8.4-2ubuntu2"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"pupnp-1.8","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.8.4-2ubuntu2"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"pupnp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.14.18-1ubuntu1","1:1.14.18-1.1ubuntu1","1:1.14.18-1.1ubuntu2"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"pupnp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.14.25-1ubuntu1","1:1.14.31-1ubuntu1","1:1.14.31-1ubuntu2"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"pupnp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.14.24-3ubuntu1","1:1.14.25-1ubuntu1"]}],"products":[{"vendor":"pupnp","product":"pupnp"},{"vendor":"pupnp_project","product":"pupnp"}],"references":[{"url":"https://github.com/pupnp/pupnp/security/advisories/GHSA-46ph-jff5-5h77","tags":["x_refsource_CONFIRM","Vendor Advisory","advisory","report"]},{"url":"https://github.com/pupnp/pupnp/commit/5dba8070b4d64d976f8e6fc13f1f301befebe7d2","tags":["x_refsource_MISC","Patch","fix","report"]},{"url":"https://github.com/pupnp/pupnp/releases/tag/release-22.0.4","tags":["x_refsource_MISC","Release Notes","web"]},{"url":"https://issues.oss-fuzz.com/issues/531780528","tags":["x_refsource_MISC","Issue Tracking","web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/77xxx/CVE-2026-77630.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-77630","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-77630","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-77630","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-77630","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-77630","title":"pupnp: Denial of service via blocking DNS resolution in parse_uri()/GENA callback parsing","description":"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.","status":"published","published":"2026-10-16T15:36:05.117Z","modified":"2026-10-16T17:06:16.423Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:20:15.712761Z"}],"euvd":[{"id":"EUVD-2026-102933","description":"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.","status":"published","published":"2026-10-16T15:36:05Z","modified":"2026-10-16T17:06:16Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T17:00:04.71095Z"}],"nvd":[{"id":"CVE-2026-77630","description":"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.","status":"published","published":"2026-10-16T16:21:03.187Z","modified":"2026-10-20T19:36:35.46Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:13:00.123071Z"}],"osv":[{"id":"CVE-2026-77630","title":"pupnp: Denial of service via blocking DNS resolution in parse_uri()/GENA callback parsing","description":"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.","status":"published","published":"2026-10-16T15:36:05.117Z","modified":"2026-10-28T11:01:31.702917617Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T15:45:17.44708Z"},{"id":"DEBIAN-CVE-2026-77630","description":"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.","status":"published","published":"2026-10-16T16:21:03.187Z","modified":"2026-10-23T17:47:33.478691357Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:46:03.502256Z"},{"id":"UBUNTU-CVE-2026-77630","description":"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.","status":"published","published":"2026-10-16T16:21:00Z","modified":"2026-10-28T20:15:22.891705401Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T16:57:18.015985Z"}]}}