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DoS (Denial of Service) io.netty:netty-codec Dependency in Jira Software Data Center

🗓️ 06 Aug 2026 17:32:26Reported by security-metrics-botType 
atlassian
 atlassian🔗 jira.atlassian.com👁 5 Views

Unauthenticated DoS in Jira DC via netty-codec Lz4FrameDecoder allocating 32MB ByteBuf from small payloads.

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18 Aug 2026 22:00Current
6.5Medium risk
Vulners AI Score6.5
CVSS 3.17.5
EPSS0.00461
SSVC
Jira Software Data Centernetty-codecLz4FrameDecoderDenial of Serviceunauthenticated
5