CVE-2026-47859 Security Details

CVE ID

CVE-2026-47859

CWE

CWE-770

CVE 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

Published

Aug 20, 2026

CVSS Score & Severity

6.5Medium

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Score

0.288%

Malware

malware

KEV Status

Not in KEV Catalog: No known exploits

Vulnerable Methods

org/springframework/integration/syslog/inbound/RFC6587SyslogDeserializer.deserialize(Ljava/io/InputStream;)Ljava/util/Map;

JVMVulnerable params: 0

Affected Ecosystems

affected

Source

National Vulnerability Database

References

spring.ioPROJECT