{"id":"CVE-2026-47859","state":"PUBLISHED","title":"Unbounded memory allocation in RFC6587SyslogDeserializer (octet-counted framing) — remote DoS","description":"RFC6587SyslogDeserializer, used by the Spring Integration syslog TCP inbound adapter to decode RFC 6587 / RFC 5424 frames, trusts the sender-supplied octet count of an octet-counted frame and allocates a byte array of exactly that size with no upper bound.\nSpring Integration 7.1.0\nSpring Integration 7.0.0 - 7.0.5\nSpring Integration 6.5.0 - 6.5.10\nSpring Integration 6.4.0 - 6.4.12\nSpring Integration 5.5.21 and earlier","publishedAt":"2026-08-26T23:28:45.659Z","updatedAt":"2026-08-27T14:48:52.190Z","severity":{"score":5.4,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","source":"vmware"},"assigner":"vmware","products":["Spring Spring Integration"],"affected":[{"vendor":"Spring","product":"Spring Integration","defaultStatus":"unaffected","versions":[{"version":"7.1.0","status":"affected","versionType":"custom"},{"version":"7.0.0","status":"affected","lessThanOrEqual":"7.0.5","versionType":"custom"},{"version":"6.5.0","status":"affected","lessThanOrEqual":"6.5.10","versionType":"custom"},{"version":"6.4.0","status":"affected","lessThanOrEqual":"6.4.12","versionType":"custom"},{"version":"0","status":"affected","lessThanOrEqual":"5.5.21","versionType":"custom"}]}],"references":["https://spring.io/security/cve-2026-47859"],"weaknesses":["CWE-770"],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/47xxx/CVE-2026-47859.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-47859","state":"PUBLISHED","datePublished":"2026-08-26T23:28:45.659Z","dateUpdated":"2026-08-27T14:48:52.190Z","assignerShortName":"vmware","assignerOrgId":"dcf2e128-44bd-42ed-91e8-88f912c1401d","dateReserved":"2026-05-20T10:00:55.156Z"},"containers":{"cna":{"title":"Unbounded memory allocation in RFC6587SyslogDeserializer (octet-counted framing) — remote DoS","descriptions":[{"lang":"en","value":"RFC6587SyslogDeserializer, used by the Spring Integration syslog TCP inbound adapter to decode RFC 6587 / RFC 5424 frames, trusts the sender-supplied octet count of an octet-counted frame and allocates a byte array of exactly that size with no upper bound.\nSpring Integration 7.1.0\nSpring Integration 7.0.0 - 7.0.5\nSpring Integration 6.5.0 - 6.5.10\nSpring Integration 6.4.0 - 6.4.12\nSpring Integration 5.5.21 and earlier"}],"affected":[{"vendor":"Spring","product":"Spring Integration","defaultStatus":"unaffected","versions":[{"version":"7.1.0","status":"affected","versionType":"custom"},{"version":"7.0.0","status":"affected","lessThanOrEqual":"7.0.5","versionType":"custom"},{"version":"6.5.0","status":"affected","lessThanOrEqual":"6.5.10","versionType":"custom"},{"version":"6.4.0","status":"affected","lessThanOrEqual":"6.4.12","versionType":"custom"},{"version":"0","status":"affected","lessThanOrEqual":"5.5.21","versionType":"custom"}]}],"references":[{"url":"https://spring.io/security/cve-2026-47859"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","baseScore":5.4,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"}}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-770 Allocation of Resources Without Limits or Throttling","type":"CWE"}]}],"providerMetadata":{"shortName":"vmware","orgId":"dcf2e128-44bd-42ed-91e8-88f912c1401d","dateUpdated":"2026-08-26T23:28:45.659Z"},"impacts":[{"descriptions":[{"lang":"en","value":"RFC6587SyslogDeserializer, used by the Spring Integration syslog TCP inbound adapter to decode RFC 6587 / RFC 5424 frames, trusts the sender-supplied octet count of an octet-counted frame and allocates a byte array of exactly that size with no upper bound."}]}],"source":{"discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-27T14:48:30.802768Z","id":"CVE-2026-47859","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-770","type":"CWE","lang":"en","description":"CWE-770 Allocation of Resources Without Limits or Throttling"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-27T14:48:52.190Z"}}]}}}