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CVE PROGRAM SOURCE RECORD5.4 Medium

CVE-2026-47859

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. 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

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Spring Spring Integration

Default version status: unaffected

  • 7.1.0affected
  • 7.0.0 to ≤ 7.0.5affected
  • 6.5.0 to ≤ 6.5.10affected
  • 6.4.0 to ≤ 6.4.12affected
  • 0 to ≤ 5.5.21affected

References