{"id":"EUVD-2026-84817","revision":null,"records":[{"revision":"3cf1e4a02b8a45f184b2777235eaafd8","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-58268","aliases":[],"title":"SIPGO: DoS via unvalidated Content-Length in the stream parser","description":"SIPGO is a library for writing SIP services in the GO language. Prior to 1.4.1, ParserStream.parseSingle in sip/parser_stream.go allocates a SIP body buffer from the client-controlled Content-Length header before ParseMaxMessageLength is enforced. An unauthenticated peer can send a stream-transport message over TCP, TLS, WS, or WSS with an oversized declared length, causing excessive memory allocation and denial of service before the body is read. This issue is fixed in version 1.4.1.","state":0,"publishedAt":"2026-09-22T19:49:09.625+00:00","modifiedAt":"2026-09-23T12:38:58.27+00:00","affected":[{"ecosystem":"Vendor product","name":"sipgo","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"emiago\",\n                    \"product\": \"sipgo\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 1.4.1\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5,"severity":"HIGH"}],"references":["https://github.com/emiago/sipgo/security/advisories/GHSA-pg59-5vwg-4jxq","https://github.com/emiago/sipgo/commit/a7be60a07f48c06b3cdd5a7d35eb820b3df5736c","https://github.com/emiago/sipgo/releases/tag/v1.4.1"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-58268","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-58268","identifiers":["CVE-2026-58268"]},"retained":false,"historicalAffected":[]},{"revision":"f88e6a0dd8f64543ac90e0ab85acb25f","observedAt":"2026-11-11T14:59:42.981+00:00","statement":{"source":"euvd","id":"EUVD-2026-84817","aliases":["CVE-2026-58268","GHSA-pg59-5vwg-4jxq"],"title":"SIPGO is a library for writing SIP services in the GO language. Prior to 1.4.1, ParserStream.parseSingle in sip/parser_stream.go allocates a SIP body buffer from the client-controlled Content-Length header before ParseMaxMessageLength is en…","description":"SIPGO is a library for writing SIP services in the GO language. Prior to 1.4.1, ParserStream.parseSingle in sip/parser_stream.go allocates a SIP body buffer from the client-controlled Content-Length header before ParseMaxMessageLength is enforced. An unauthenticated peer can send a stream-transport message over TCP, TLS, WS, or WSS with an oversized declared length, causing excessive memory allocation and denial of service before the body is read. This issue is fixed in version 1.4.1.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5,"severity":null}],"references":["https://github.com/emiago/sipgo/security/advisories/GHSA-pg59-5vwg-4jxq","https://github.com/emiago/sipgo/commit/a7be60a07f48c06b3cdd5a7d35eb820b3df5736c","https://github.com/emiago/sipgo/releases/tag/v1.4.1"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-84817","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Sep 22, 2026, 7:49:09 PM","dateUpdated":"Sep 23, 2026, 12:38:58 PM"},"relatedAdvisories":[{"id":"msrc_CVE-2026-58268","title":"SIPGO: DoS via unvalidated Content-Length in the stream parser","vulnerabilityIds":["CVE-2026-58268"]}],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-84817","identifiers":["EUVD-2026-84817","CVE-2026-58268","GHSA-pg59-5vwg-4jxq"]},"retained":false,"historicalAffected":[]},{"revision":"eb00571153e64499a30541bfa371487f","observedAt":"2026-10-25T14:19:16.843+00:00","statement":{"source":"nvd","id":"CVE-2026-58268","aliases":[],"title":"SIPGO is a library for writing SIP services in the GO language. Prior to 1.4.1, ParserStream.parseSingle in sip/parser_stream.go allocates a SIP body buffer from the client-controlled Content-Length header before ParseMaxMessageLength is en…","description":"SIPGO is a library for writing SIP services in the GO language. Prior to 1.4.1, ParserStream.parseSingle in sip/parser_stream.go allocates a SIP body buffer from the client-controlled Content-Length header before ParseMaxMessageLength is enforced. An unauthenticated peer can send a stream-transport message over TCP, TLS, WS, or WSS with an oversized declared length, causing excessive memory allocation and denial of service before the body is read. This issue is fixed in version 1.4.1.","state":0,"publishedAt":"2026-09-22T20:17:03.96+00:00","modifiedAt":"2026-09-23T18:12:04.247+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · security-advisories@github.com · Secondary","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5,"severity":"HIGH"}],"references":["https://github.com/emiago/sipgo/commit/a7be60a07f48c06b3cdd5a7d35eb820b3df5736c","https://github.com/emiago/sipgo/releases/tag/v1.4.1","https://github.com/emiago/sipgo/security/advisories/GHSA-pg59-5vwg-4jxq"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-58268","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Awaiting Analysis","weaknesses":["CWE-789"],"productCriteria":[],"sourceDates":{"published":"2026-09-22T20:17:03.960","lastModified":"2026-09-23T18:12:04.247"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-58268","identifiers":["CVE-2026-58268"]},"retained":false,"historicalAffected":[]},{"revision":"58a4a7eecf504426a5bc562f9cd4f23b","observedAt":"2026-10-24T13:19:41.952+00:00","statement":{"source":"osv","id":"GHSA-pg59-5vwg-4jxq","aliases":["CVE-2026-58268","GO-2026-6550"],"title":"SIPGO: DoS via unvalidated Content-Length in the stream parser","description":"### Summary\n\nThe stream parser allocates the SIP body buffer from the `Content-Length` header before validating its size, which can lead to an unauthenticated DoS.\n\n### Details\n\n`ParserStream.parseSingle` allocates the body buffer from the declared `Content-Length` with no size check (https://github.com/emiago/sipgo/blob/v1.4.0/sip/parser_stream.go#L195):\n\n```go\nbody := make([]byte, contentLength)   // contentLength is client-controlled, up to 2^32-1 (uint32)\n```\n\nThe `ParseMaxMessageLength` (65535) check is in the caller `ParseNext` (https://github.com/emiago/sipgo/blob/v1.4.0/sip/parser_stream.go#L132), and only runs after `parseSingle` has already allocated the buffer.\n\n### PoC\n\nTested on emiago/sipgo v1.4.0 (latest).\n\nSend a single message with a large `Content-Length` and no body to a SIP server:\n\n```\nINVITE sip:victim@example.com SIP/2.0\nVia: SIP/2.0/TCP attacker.example;branch=z9hG4bK1\nFrom: <sip:attacker@attacker.example>;tag=1\nTo: <sip:victim@example.com>\nCall-ID: 1@attacker.example\nCSeq: 1 INVITE\nContent-Length: 4000000000                     // <- a large Content-Length\n\n```\n\n### Suggested Fix\n\nValidate `contentLength` against `ParseMaxMessageLength` before the allocation.\n\n### Impact\n\nUnauthenticated DoS. Any service using `sipgo` with a stream transport (TCP/TLS/WS/WSS) can be forced to run out of memory.","state":0,"publishedAt":"2026-09-22T19:57:51+00:00","modifiedAt":"2026-10-01T20:55:47.2896334+00:00","affected":[{"ecosystem":"Go","name":"github.com/emiago/sipgo","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"1.4.1"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"HIGH"}],"references":["https://github.com/emiago/sipgo/security/advisories/GHSA-pg59-5vwg-4jxq","https://github.com/emiago/sipgo/commit/a7be60a07f48c06b3cdd5a7d35eb820b3df5736c","https://github.com/emiago/sipgo","https://github.com/emiago/sipgo/releases/tag/v1.4.1"],"sourceUrl":"https://github.com/advisories/GHSA-pg59-5vwg-4jxq","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-pg59-5vwg-4jxq","identifiers":["GHSA-pg59-5vwg-4jxq","CVE-2026-58268","GO-2026-6550"]},"retained":false,"historicalAffected":[]},{"revision":"016016917cec4490aa2f7bb07e4ecd56","observedAt":"2026-10-24T13:19:41.952+00:00","statement":{"source":"osv","id":"GO-2026-6550","aliases":["CVE-2026-58268","GHSA-pg59-5vwg-4jxq"],"title":"SIPGO: DoS via unvalidated Content-Length in the stream parser in github.com/emiago/sipgo","description":"SIPGO: DoS via unvalidated Content-Length in the stream parser in github.com/emiago/sipgo","state":0,"publishedAt":"2026-10-01T20:23:38+00:00","modifiedAt":"2026-10-01T20:45:12.2659124+00:00","affected":[{"ecosystem":"Go","name":"github.com/emiago/sipgo","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"1.4.1"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[],"references":["https://github.com/emiago/sipgo/security/advisories/GHSA-pg59-5vwg-4jxq","https://github.com/emiago/sipgo/commit/a7be60a07f48c06b3cdd5a7d35eb820b3df5736c","https://github.com/emiago/sipgo/releases/tag/v1.4.1"],"sourceUrl":"https://osv.dev/vulnerability/GO-2026-6550","license":"OSV · upstream source license applies","key":"osv:GO-2026-6550","identifiers":["GO-2026-6550","CVE-2026-58268","GHSA-pg59-5vwg-4jxq"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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