{"id":"CVE-2026-94440","revision":"32878c7502764ee3b92c901fa3d43943","records":[{"revision":"32878c7502764ee3b92c901fa3d43943","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-94440","aliases":[],"title":"Memory limit bypass when parsing MIME headers in net/textproto, mime/multipart","description":"Parsing a multipart form can bypass memory limits and read an arbitrarily long line into memory when the remaining limit at the start of a part is less than 400 bytes.","state":0,"publishedAt":"2026-10-08T22:53:58.959+00:00","modifiedAt":"2026-10-09T16:09:59.426+00:00","affected":[{"ecosystem":"https://pkg.go.dev","name":"net/textproto","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Go standard library\",\n                    \"product\": \"net/textproto\",\n                    \"collectionURL\": \"https://pkg.go.dev\",\n                    \"packageName\": \"net/textproto\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"1.26.9\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"1.27.0-0\",\n                            \"lessThan\": \"1.27.2\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"programRoutines\": [\n                        {\n                            \"name\": \"readMIMEHeader\"\n                        },\n                        {\n                            \"name\": \"Reader.readContinuedLineSlice\"\n                        },\n                        {\n                            \"name\": \"Reader.ReadContinuedLine\"\n                        },\n                        {\n                            \"name\": \"Reader.ReadContinuedLineBytes\"\n                        },\n                        {\n                            \"name\": \"Reader.ReadMIMEHeader\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"},{"ecosystem":"https://pkg.go.dev","name":"mime/multipart","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Go standard library\",\n                    \"product\": \"mime/multipart\",\n                    \"collectionURL\": \"https://pkg.go.dev\",\n                    \"packageName\": \"mime/multipart\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"1.26.9\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"1.27.0-0\",\n                            \"lessThan\": \"1.27.2\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"programRoutines\": [\n                        {\n                            \"name\": \"Part.populateHeaders\"\n                        },\n                        {\n                            \"name\": \"Reader.readForm\"\n                        },\n                        {\n                            \"name\": \"Reader.NextPart\"\n                        },\n                        {\n                            \"name\": \"Reader.NextRawPart\"\n                        },\n                        {\n                            \"name\": \"Reader.ReadForm\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"}],"metrics":[],"references":["https://go.dev/cl/847307","https://go.dev/issue/81741","https://groups.google.com/g/golang-announce/c/U2fTuyDJznI","https://pkg.go.dev/vuln/GO-2026-6608"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-94440","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-94440","identifiers":["CVE-2026-94440"]},"retained":false,"historicalAffected":[]}],"coverage":[]}