CVE-2026-47859: VMware Spring Integration

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

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. Spring Integration 7.1.0 Spring Integration 7.0.0 - 7.0.5 Spring Integration 6.5.0 - 6.5.10 Spring Integration 6.4.0 - 6.4.12 Spring Integration 5.5.21 and earlier

Affected products

• VMware Spring Integration: before 5.5.22 (fixed in 5.5.22); from 6.4.0, before 6.4.13 (fixed in 6.4.13); from 6.5.0, before 6.5.11 (fixed in 6.5.11); from 7.0.0, before 7.0.5.1 (fixed in 7.0.5.1); from 7.1.0, before 7.1.0.1 (fixed in 7.1.0.1)

Published 2026-08-27. Last modified 2026-09-04.