Red Hat Lightwell has released io.netty:netty-codec-redis 4.1.100.Final-rhlw-00001 with backported fixes for CVE-2026-42586, CVE-2026-44250, CVE-2026-44890, CVE-2026-48006, CVE-2026-50011, and CVE-2026-56818.
CVE-2026-42586: Netty: CRLF Injection in Netty Redis Codec Encoder
CVE-2026-44250: Netty: Memory Exhaustion in RedisArrayAggregator due to Deeply Nested Arrays
CVE-2026-44890: Netty has Unbounded Direct Memory Consumption in its RedisDecoder
CVE-2026-48006: Netty's Lack of Lifecycle Cleanup Leads to Pooled ByteBuf Leak in RedisArrayAggregator
CVE-2026-50011: Netty has unbounded pre-allocation in RedisArrayAggregator from RESP array length
CVE-2026-56818: Netty: RedisArrayAggregator max-elements failure leaves retained partial aggregate state
This patched artifact is a drop-in replacement for io.netty:netty-codec-redis 4.1.100.Final from Maven Central.
{
"backport_base_version": "4.1.100.Final",
"remediated_version": "4.1.100.Final-rhlw-00001",
"repository_url": "https://packages.redhat.com/lightwell/java/remediated/"
}
"https://github.com/project-lightwell/lightwell-osv/blob/main/advisories/RHLW-2026-6f1a404174e2316f.json"