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

🗓️ 06 Aug 2026 16:32:06Reported by security-metrics-botType 
atlassian
 atlassian🔗 jira.atlassian.com👁 17 Views

Unauthenticated DoS via SPDY header inflation in Jira Data Center Netty dependency, CVSS 7.5, affects versions 9.12.1 through 11.3.0.

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atlassianjira_software_data_centerMatch9.12.28
atlassianjira_software_data_centerMatch11.3.10
atlassianjira_software_data_centerMatch10.3.24

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19 Aug 2026 06:03Current
7.1High risk
Vulners AI Score7.1
CVSS 3.17.5
EPSS0.00665
SSVC
Jira SoftwareDenial of ServiceNetty codecSPDY headersunauthenticated accessavailability impactCVSS 7.5
17