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netty

Netty versions prior to 4.1.135.Final and 4.2.15.Final contain a vulnerability in RedisArrayAggregator where it pre-allocates an ArrayList with an initial capacity based on a RESP array element count taken from the wire. A maliciously crafted small header can specify a very large initial capacity, potentially causing resource exhaustion. This issue is patched in versions 4.1.135.Final and 4.2.15.Final.

Netty, a network application framework, has a vulnerability identified as CVE-2026-50011 affecting versions before 4.1.135.Final and 4.2.15.Final. The RedisArrayAggregator component pre-allocates an ArrayList with an initial capacity equal to the RESP array element count declared in an array header received from the network. Since this count is taken before the child messages exist, a malicious actor can send a small header that claims a huge initial capacity, leading to excessive memory allocation. This flaw can cause denial of service by exhausting system resources. The issue is fixed in versions 4.1.135.Final and 4.2.15.Final.

Netty versions prior to 4.1.135.Final and 4.2.15.Final contain a vulnerability in RedisArrayAggregator where it pre-allocates an ArrayList with an initial capacity based on a RESP array element count taken from the wire. A maliciously crafted small header can specify a very large initial capacity, p

Netty: Prior to versions 4.1.135.Final and 4.2.15.Final, RedisArrayAggregator pre-allocates ArrayList with initial capacity equal to the RESP array element… (CVE-2026-50011)

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