{"id":"CVE-2026-77322","revision":null,"records":[{"revision":"ba5b34465d5f4219ab543141e8e00b18","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-77322","aliases":[],"title":"SIPGO: DoS via unvalidated WebSocket frame length","description":"SIPGO is a library for writing SIP services in the GO language. Prior to 1.4.3, WSConnection.Read in sip/transport_ws.go creates a wsutil.Reader without setting MaxFrameSize, allowing NextFrame to accept a client-controlled header.Length before ParseMaxMessageLength is applied. An unauthenticated WS or WSS peer can send a frame header declaring an extremely large payload, causing an oversized allocation or a makeslice length panic before the payload is read and crashing or exhausting memory in the server process. This issue is fixed in version 1.4.3.","state":0,"publishedAt":"2026-09-22T19:52:12.441+00:00","modifiedAt":"2026-09-23T15:08:21.99+00:00","affected":[{"ecosystem":"Vendor product","name":"sipgo","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"emiago\",\n                    \"product\": \"sipgo\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 1.4.3\",\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-8h6x-h86x-75wh","https://github.com/emiago/sipgo/commit/769e4bc958376e2363566c8f7042202b410becdc","https://github.com/emiago/sipgo/releases/tag/v1.4.3"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-77322","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-77322","identifiers":["CVE-2026-77322"]},"retained":false,"historicalAffected":[]},{"revision":"5787708cd6014b59b87517f22f741011","observedAt":"2026-11-11T16:08:16.78+00:00","statement":{"source":"euvd","id":"EUVD-2026-84818","aliases":["CVE-2026-77322","GHSA-8h6x-h86x-75wh"],"title":"SIPGO is a library for writing SIP services in the GO language. Prior to 1.4.3, WSConnection.Read in sip/transport_ws.go creates a wsutil.Reader without setting MaxFrameSize, allowing NextFrame to accept a client-controlled header.Length be…","description":"SIPGO is a library for writing SIP services in the GO language. Prior to 1.4.3, WSConnection.Read in sip/transport_ws.go creates a wsutil.Reader without setting MaxFrameSize, allowing NextFrame to accept a client-controlled header.Length before ParseMaxMessageLength is applied. An unauthenticated WS or WSS peer can send a frame header declaring an extremely large payload, causing an oversized allocation or a makeslice length panic before the payload is read and crashing or exhausting memory in the server process. This issue is fixed in version 1.4.3.","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-8h6x-h86x-75wh","https://github.com/emiago/sipgo/commit/769e4bc958376e2363566c8f7042202b410becdc","https://github.com/emiago/sipgo/releases/tag/v1.4.3"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-84818","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Sep 22, 2026, 7:52:12 PM","dateUpdated":"Sep 23, 2026, 3:08:21 PM"},"relatedAdvisories":[],"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-2026-84818","identifiers":["EUVD-2026-84818","CVE-2026-77322","GHSA-8h6x-h86x-75wh"]},"retained":false,"historicalAffected":[]},{"revision":"80f80db909d04470aecd566e9a883a23","observedAt":"2026-10-25T16:19:04.694+00:00","statement":{"source":"nvd","id":"CVE-2026-77322","aliases":[],"title":"SIPGO is a library for writing SIP services in the GO language. Prior to 1.4.3, WSConnection.Read in sip/transport_ws.go creates a wsutil.Reader without setting MaxFrameSize, allowing NextFrame to accept a client-controlled header.Length be…","description":"SIPGO is a library for writing SIP services in the GO language. Prior to 1.4.3, WSConnection.Read in sip/transport_ws.go creates a wsutil.Reader without setting MaxFrameSize, allowing NextFrame to accept a client-controlled header.Length before ParseMaxMessageLength is applied. An unauthenticated WS or WSS peer can send a frame header declaring an extremely large payload, causing an oversized allocation or a makeslice length panic before the payload is read and crashing or exhausting memory in the server process. This issue is fixed in version 1.4.3.","state":0,"publishedAt":"2026-09-22T20:17:08.2+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/769e4bc958376e2363566c8f7042202b410becdc","https://github.com/emiago/sipgo/releases/tag/v1.4.3","https://github.com/emiago/sipgo/security/advisories/GHSA-8h6x-h86x-75wh"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-77322","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Awaiting Analysis","weaknesses":["CWE-789"],"productCriteria":[],"sourceDates":{"published":"2026-09-22T20:17:08.200","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-2026-77322","identifiers":["CVE-2026-77322"]},"retained":false,"historicalAffected":[]},{"revision":"bf20d5ea36674efa9f1e8e5d7b8bd589","observedAt":"2026-10-24T13:19:41.952+00:00","statement":{"source":"osv","id":"GHSA-8h6x-h86x-75wh","aliases":["CVE-2026-77322","GO-2026-6559"],"title":"SIPGO: DoS via unvalidated WebSocket frame length","description":"### Summary\n\nThe WebSocket transport allocates a buffer from the frame payload length before validating its size, which can lead to an unauthenticated DoS.\n\n### Details\n\n`WSConnection.Read` allocates a buffer from the declared WebSocket frame length before reading the payload (https://github.com/emiago/sipgo/blob/v1.4.0/sip/transport_ws.go#L400):\n\n```go\ndata := make([]byte, header.Length)   // header.Length is client-controlled, up to 2^63-1 (int64)\n```\n\n- `NextFrame()` reads only the frame header and never checks the length: `wsutil.NewReader` is created with no [`MaxFrameSize`](https://pkg.go.dev/github.com/gobwas/ws@v1.3.2/wsutil#Reader.MaxFrameSize) (`0` = unlimited). `ParseMaxMessageLength` applies only downstream, not here.\n- A value above the max slice size (e.g. `2^63-1`) panics `make`. sipgo does not recover from this panic, so it crashes the whole server process.\n\n### PoC\n\nTested on emiago/sipgo v1.4.0 (latest).\n\nAfter a normal WebSocket handshake, send one masked text frame consisting of the header only (no payload), declaring a huge length. The allocation runs as soon as the header is read.\n\n```\n0x81                                            FIN + text opcode\n0xFF                                            MASK bit + length marker 127 (8-byte length follows)\n0x7F FF FF FF FF FF FF FF                        declared length = 2^63-1  ->  make panics (crash)\n<4-byte masking key>\n(no payload)\n```\n\nThis crashes the server process:\n\n```\npanic: runtime error: makeslice: len out of range\n\ngoroutine 23 [running]:\ngithub.com/emiago/sipgo/sip.(*WSConnection).Read(...)\n        /path/to/pkg/mod/github.com/emiago/sipgo@v1.4.0/sip/transport_ws.go:400 +0x2df\ngithub.com/emiago/sipgo/sip.(*TransportWS).readConnection(...)\n        /path/to/pkg/mod/github.com/emiago/sipgo@v1.4.0/sip/transport_ws.go:194 +0x266\ncreated by github.com/emiago/sipgo/sip.(*TransportWS).initConnection in goroutine 21\n        /path/to/pkg/mod/github.com/emiago/sipgo@v1.4.0/sip/transport_ws.go:167 +0x268\n```\n\n### Suggested Fix\n\nSet [`MaxFrameSize`](https://pkg.go.dev/github.com/gobwas/ws@v1.3.2/wsutil#Reader.MaxFrameSize) on the `wsutil.NewReader`.\n\n### Impact\n\nUnauthenticated DoS. Any service using `sipgo` with a WS/WSS transport can be crashed by a single frame (panic), or forced to run out of memory.","state":0,"publishedAt":"2026-09-22T20:34:30+00:00","modifiedAt":"2026-10-01T20:56:11.72431+00:00","affected":[{"ecosystem":"Go","name":"github.com/emiago/sipgo","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"1.4.3"}]}],"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-8h6x-h86x-75wh","https://github.com/emiago/sipgo/commit/769e4bc958376e2363566c8f7042202b410becdc","https://github.com/emiago/sipgo","https://github.com/emiago/sipgo/releases/tag/v1.4.3"],"sourceUrl":"https://github.com/advisories/GHSA-8h6x-h86x-75wh","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-8h6x-h86x-75wh","identifiers":["GHSA-8h6x-h86x-75wh","CVE-2026-77322","GO-2026-6559"]},"retained":false,"historicalAffected":[]},{"revision":"45862fa2ae4d4bfd878ebe970acb38a3","observedAt":"2026-10-24T13:19:41.952+00:00","statement":{"source":"osv","id":"GO-2026-6559","aliases":["CVE-2026-77322","GHSA-8h6x-h86x-75wh"],"title":"SIPGO: DoS via unvalidated WebSocket frame length in github.com/emiago/sipgo","description":"SIPGO: DoS via unvalidated WebSocket frame length in github.com/emiago/sipgo","state":0,"publishedAt":"2026-10-01T20:23:38+00:00","modifiedAt":"2026-10-01T20:45:13.1793354+00:00","affected":[{"ecosystem":"Go","name":"github.com/emiago/sipgo","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"1.4.3"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[],"references":["https://github.com/emiago/sipgo/security/advisories/GHSA-8h6x-h86x-75wh","https://github.com/emiago/sipgo/commit/769e4bc958376e2363566c8f7042202b410becdc","https://github.com/emiago/sipgo/releases/tag/v1.4.3"],"sourceUrl":"https://osv.dev/vulnerability/GO-2026-6559","license":"OSV · upstream source license applies","key":"osv:GO-2026-6559","identifiers":["GO-2026-6559","CVE-2026-77322","GHSA-8h6x-h86x-75wh"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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