Red Hat Lightwell has released io.netty:netty-codec 4.1.100.Final-rhlw-00001 with backported fixes for CVE-2025-58057, CVE-2026-42583, and CVE-2026-59901.
CVE-2025-58057: Netty's BrotliDecoder is vulnerable to DoS via zip bomb style attack
CVE-2026-42583: Netty: Lz4FrameDecoder resource exhaustion
CVE-2026-59901: Netty Bzip2Decoder: Infinite Loop in RLE State Machine Leads to Event-Loop Thread Hang
This patched artifact is a drop-in replacement for io.netty:netty-codec 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-ee001bc1ac13ab0b.json"