AIKIDO-2026-279912
spring-integration-syslog is vulnerable to Denial of Service (DoS)
54
Medium Risk
This Affects:
spring-integration-syslogTL;DR
spring-integration-syslog RFC6587SyslogDeserializer trusts the sender-supplied octet count and allocates a byte array of that size with no upper bound. A client that can deliver frames can force a huge heap allocation and exhaust memory. LF-delimited framing is not affected because it already enforces maxMessageSize. The patch applies an equivalent ceiling to octet-counted frames.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range and a syslog TCP inbound adapter uses RFC 6587 octet-counted framing.
Background info
spring-integration-syslog is vulnerable to Denial of Service (DoS) in versions 0.0.1 - 7.0.5 and 7.1.0 - 7.1.0.
How to fix this
Upgrade the org.springframework.integration:spring-integration-syslog library to the patch version.
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