23 Oct 2026 15:48:27 UTC
Netty has Unbounded Direct Memory Consumption in its RedisDecoder
cve-program · CVE-2026-44890 · Published
CVE-2026-44890
Netty has Unbounded Direct Memory Consumption in its RedisDecoder
CVSS 3.1 7.5 HIGHCheck source for fixed versionsKEV status unknown
cve-program · CVE-2026-44890
PublishedNetty is a network application framework for development of protocol servers and clients. In netty-codec-redis prior to versions 4.1.135.Final and 4.2.15.Final, an attacker can cause DoS by sending crafted Redis payloads across multiple connections without `\r\n`. This exhausts the server's direct memory pool (OutOfDirectMemoryError), preventing legitimate connections from being processed. Versions 4.1.135.Final and 4.2.15.Final patch the issue.
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