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netty: io.netty/netty-codec-compression: io.netty/netty-codec: Netty: Denial of Service via excessive memory allocation in LZ4FrameDecoder

🗓️ 20 Jul 2026 11:56:31Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 4 Views

Netty LZ4FrameDecoder may allocate up to 32 MB block from crafted data, causing denial of service.

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21 Jul 2026 22:19Current
6.8Medium risk
Vulners AI Score6.8
CVSS 3.17.5
EPSS0.00429
SSVC
CWE-770
netty frameworklz4 framememory allocationdenial of servicecrafted datalarge memory
4