CVE-2026-47859 — Unbounded memory allocation in RFC6587SyslogDeserializer (octet-counted framing) — remote DoS

CVE-2026-47859

Unbounded memory allocation in RFC6587SyslogDeserializer (octet-counted framing) — remote DoS PUBLISHED

Description (CNA)

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 (CNA)

Vendor / product	Versions
Spring / Spring Integration	affected 7.1.0; affected 7.0.0 through 7.0.5; affected 6.5.0 through 6.5.10; affected 6.4.0 through 6.4.12; affected 0 through 5.5.21

CWE

No CWE identifiers supplied.

References

https://spring.io/security/cve-2026-47859

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.