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netty: io.netty/netty-codec-http: io.netty/netty-codec-http2: Netty: Denial of Service via unbounded memory allocation in HTTP content decompression

🗓️ 10 Jun 2026 12:05:35Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 12 Views

Netty DoS via unbounded memory in decompression by bypassing limits with Brotli, Zstd, or Snappy.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: DevOps Test Performance contains vulnerabilities related to use of netty-codec-http
19 May 202619:19
–ibm
IBM Security Bulletins		Security Bulletin: IBM SPSS Analytic Server is affected by multiple vulnerabilities in Netty
25 Jun 202617:40
–ibm
IBM Security Bulletins		Security Bulletin: IBM App Connect for Manufacturing is vulnerable to multiple vulnerabilities due to Netty
21 May 202616:11
–ibm
IBM Security Bulletins		Security Bulletin: IBM® Db2® federated server is affected by multiple vulnerabilities in Netty open source libraries.
23 Jun 202619:50
–ibm
IBM Security Bulletins		Security Bulletin: Due to the use of Netty, IBM Enterprise Build of Quarkus is affected by multiple vulnerabilities
11 Jun 202607:12
–ibm
Atlassian		DoS (Denial of Service) io.netty:netty-codec Dependency in Bamboo Data Center
1 Jun 202622:29
–atlassian
Atlassian		DoS (Denial of Service) io.netty:netty-codec-http2 Dependency in Crowd Data Center
12 Jun 202611:29
–atlassian
Atlassian		DoS (Denial of Service) io.netty:netty-codec Dependency in Jira Service Management Data Center
3 Jun 202616:29
–atlassian
BDU FSTEC		The vulnerability of the decompression mechanism used by frameworks for developing network applications, servers, and client protocols via Netty allows a hacker to induce a service failure.
16 Jul 202600:00
–bdu_fstec
Chainguard		CVE-2026-42587 vulnerabilities
8 May 202601:17
–cgr
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Vulners
Node
AND
redhatquarkusRange<3.27el8
redhatenterprise_linux

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20 Jul 2026 16:43Current
6.8Medium risk
Vulners AI Score6.8
CVSS 3.17.5
EPSS0.00887
SSVC
CWE-770
NettyDenial of ServiceMemory allocationDecompressionBrotliZstandardSnappyHttp content
12