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Netty epoll transport denial of service via RST on half-closed TCP connection

🗓️ 06 May 2026 23:10:41Reported by GitHub Advisory DatabaseType 
github
 github🔗 github.com👁 5 Views

Netty epoll transport fails to close half-closed TCP after RST, leaving stale channels and CPU spin.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: Multiple vulnerabilities in IBM watsonx Orchestrate Developer Edition
12 Jun 202610:57
–ibm
IBM Security Bulletins		Security Bulletin: IBM SPSS Analytic Server is affected by multiple vulnerabilities in Netty
27 May 202605:11
–ibm
Chainguard		CVE-2026-42577 vulnerabilities
8 May 202601:17
–cgr
CNNVD		Netty 安全漏洞
13 May 202600:00
–cnnvd
CVE		CVE-2026-42577
13 May 202618:00
–cve
Cvelist		CVE-2026-42577 Netty: epoll transport denial of service via RST on half-closed TCP connection
13 May 202618:00
–cvelist
Debian CVE		CVE-2026-42577
13 May 202618:00
–debiancve
NVD		CVE-2026-42577
13 May 202619:17
–nvd
OSV		CGA-PCRM-JRQ4-V7HW
7 May 202616:47
–osv
OSV		CLEANSTART-2026-AO61361 Security fixes for CVE-2024-6763, CVE-2025-11143, CVE-2025-12183, CVE-2025-12383, CVE-2025-66566, CVE-2025-67030, CVE-2026-1605, CVE-2026-24281, CVE-2026-24308, CVE-2026-42577, CVE-2026-42583, ghsa-355h-qmc2-wpwf, ghsa-3pxv-7cmr-fjr4, ghsa-445c-vh5m-36rj, ghsa-6fmv-xxpf-w3cw, ghsa-6hg6-v5c8-fphq, ghsa-72hv-8253-57qq, ghsa-7xrh-hqfc-g7qr, ghsa-crhr-qqj8-rpxc, ghsa-mj4r-2hfc-f8p6, ghsa-qh8g-58pp-2wxh, ghsa-rwm7-x88c-3g2p, ghsa-wjpw-4j6x-6rwh applied in versions: 3.8.1-r10, 3.8.1-r11, 3.8.1-r5, 3.8.1-r6, 3.8.1-r7, 3.8.1-r8, 3.8.1-r9
18 May 202613:03
–osv
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Vulners
Node
io.nettynetty-transport-native-epollRange4.2.0.Final–4.2.13.Finalmaven

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14 May 2026 18:02Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.17.5
EPSS0.00408
SSVC
CWE-772
netty epoll transporthalf closed stateremote resetstale connectionscpu spindenial of service
5