CVE-2026-47859
Published:August 26, 2026
Updated:September 24, 2026
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 Packages
https://github.com/spring-projects/spring-integration.git (GITHUB):
Affected version(s) =v7.1.0 <v7.1.1Fix Suggestion:
Update to version v7.1.1https://github.com/spring-projects/spring-integration.git (GITHUB):
Affected version(s) >=v7.0.0 <v7.0.6Fix Suggestion:
Update to version v7.0.6org.springframework.integration:spring-integration-syslog (JAVA):
Affected version(s) >=7.0.0 <7.0.6Fix Suggestion:
Update to version 7.0.6Related Resources (3)
Do you need more information?
Contact UsCVSS v4
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.4
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Allocation of Resources Without Limits or Throttling
EPSS
Base Score:
0.23