{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2026-77630 in the wild and no public exploit code.","fix":"Upgrade to a fixed version.","what":"CVE-2026-77630 is a high-severity denial of service vulnerability in pupnp, published on 16 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-77630 and fix it if it is affected.\n\nWhat it is: CVE-2026-77630 is a high-severity denial of service vulnerability in pupnp, published on 16 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2026-77630 in the wild and no public exploit code.\n\nAffected product: pupnp. No package-level version data is available, so check the vendor advisory linked from the reference page.\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2026-77630/ (Markdown: https://insights.sbomify.com/CVE-2026-77630/index.md)","id":"CVE-2026-77630","markdown":"https://insights.sbomify.com/CVE-2026-77630/index.md","name":"CVE-2026-77630","record":{"aliases":["DEBIAN-CVE-2026-77630","GHSA-46ph-jff5-5h77","UBUNTU-CVE-2026-77630"],"analysis":{"component_type":"library","fix_type":"upgrade","impacts":["denial_of_service"],"network_reachable":"yes","non_default_config":false,"product_category":"UPnP SDK library","requires_auth":"none","summary":"Remote attackers can cause denial of service in pupnp by supplying slow hostnames that block worker threads during DNS resolution.","user_interaction":"not_required","vuln_class":"denial_of_service"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"GitHub_M","cpe":[{"product":"pupnp","vendor":"pupnp_project"}],"cvss":{"score":7.5,"severity":"high","source":"cna","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"cwes":[{"id":"CWE-400","name":"Uncontrolled Resource Consumption"}],"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.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":true,"headline":"pupnp: Denial of service via blocking DNS resolution in parse_uri()/GENA callback parsing","id":"CVE-2026-77630","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"denial_of_service","year":"2026"},"n_packages":0,"n_references":4,"next":{"headline":"Cloudreve: Storage-quota TOCTOU race allows quota bypass and storage-based denial of service","id":"CVE-2026-77633"},"packages":[],"prev":{"headline":"Vector: Arbitrary file write in the file sink via templated path (path traversal).","id":"CVE-2026-77621"},"products":["pupnp"],"published":"2026-10-16","related":[{"cvss_score":7.6,"headline":"DNS rebinding in pupnp","id":"CVE-2021-29462","kev_date_added":null,"published":"2021-04-20"},{"cvss_score":7.5,"headline":"pupnp: NULL pointer dereference in ixmlNode_compare crashes on non-namespaced attributes","id":"CVE-2026-57486","kev_date_added":null,"published":"2026-10-16"},{"cvss_score":7.5,"headline":"libupnp chunked HTTP bodies can bypass g_maxContentLength and be fully buffered","id":"CVE-2026-57487","kev_date_added":null,"published":"2026-10-16"},{"cvss_score":7.5,"headline":"Denial of service in n/a","id":"CVE-2021-28302","kev_date_added":null,"published":"2021-03-12"},{"cvss_score":7.1,"headline":"pupnp: Integer truncation in HTTP Content-Length parsing enables request smuggling","id":"CVE-2026-57488","kev_date_added":null,"published":"2026-10-16"},{"cvss_score":6.5,"headline":"pupnp: Incomplete fix for CVE-2021-28302: recursive DOM functions cause stack overflow","id":"CVE-2026-55862","kev_date_added":null,"published":"2026-10-16"}],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"US public information, NVD API terms","name":"NVD"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"yes","exploitation":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-10-16","vendors":["pupnp"]},"summary":"Remote attackers can cause denial of service in pupnp by supplying slow hostnames that block worker threads during DNS resolution.","url":"https://insights.sbomify.com/CVE-2026-77630/"}