Bug 2488053 (CVE-2026-44890)

Summary: CVE-2026-44890 netty-codec-redis: netty-codec-redis: Denial of Service via crafted Redis payloads
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: anujha, aschwart, asoldano, aszczucz, bbaranow, bmaxwell, boliveir, bstansbe, dlofthou, drichtar, fmariani, gmalinko, istudens, ivassile, iweiss, janstey, jwon, mcarlett, mosmerov, mposolda, msvehla, nwallace, pdelbell, pesilva, pjindal, pmackay, rmartinc, rstancel, rstepani, ssilvert, sthorger, tcunning, thjenkin, vdosoudi, vmuzikar, yfang
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in netty-codec-redis. A remote attacker can exploit this vulnerability by sending specially crafted Redis payloads across multiple connections without proper termination. This can exhaust the server's direct memory pool, leading to a Denial of Service (DoS) condition where legitimate connections cannot be processed.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description OSIDB Bzimport 2026-06-11 22:01:16 UTC
Netty is a network application framework for development of protocol servers and clients. In netty-codec-redis prior to versions 4.1.135.Final and 4.2.15.Final, an attacker can cause DoS by sending crafted Redis payloads across multiple connections without `\r\n`. This exhausts the server's direct memory pool (OutOfDirectMemoryError), preventing legitimate connections from being processed. Versions 4.1.135.Final and 4.2.15.Final patch the issue.