CVE-2026-47859
Unbounded memory allocation in RFC6587SyslogDeserializer (octet-counted framing) — remote DoS
CVSS Score
5.4
EPSS Score
0.0%
EPSS Percentile
0th
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
| Vendor | spring |
| Product | spring integration |
| Ecosystems | |
| Industries | TechnologyEnterprise |
| Published | Aug 26, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
Affected Versions
Spring / Spring Integration
7.1.0 7.0.0 ≤ 7.0.5 6.5.0 ≤ 6.5.10 6.4.0 ≤ 6.4.12 0 ≤ 5.5.21