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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👁 3 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: 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
OSV		CLEANSTART-2026-GX01236 Security fixes for CVE-2017-12158, CVE-2017-12159, CVE-2026-41417, CVE-2026-42198, CVE-2026-42577, CVE-2026-42578, CVE-2026-42579, CVE-2026-42580, CVE-2026-42581, CVE-2026-42583, CVE-2026-42584, CVE-2026-42585, CVE-2026-42587, CVE-2026-5588, ghsa-3p8m-j85q-pgmj, ghsa-45p5-v273-3qqr, ghsa-4cx2-fc23-5wg6, ghsa-5rfx-cp42-p624, ghsa-72hv-8253-57qq, ghsa-84h7-rjj3-6jx4, ghsa-9342-92gg-6v29, ghsa-98qh-xjc8-98pq, ghsa-c3fc-8qff-9hwx, ghsa-cbdj-484d-3x9q, ghsa-fghv-69vj-qj49, ghsa-h5fg-jpgr-rv9c, ghsa-hq9p-pm7w-8p54, ghsa-j288-q9x7-2f5v, ghsa-pwqr-wmgm-9rr8, ghsa-v8h7-rr48-vmmv, ghsa-w9fj-cfpg-grvv, ghsa-wg6q-6289-32hp applied in versions: 26.1.4-r1, 26.5.0-r0, 26.5.0-r1, 26.5.0-r2, 26.5.5-r0, 26.5.5-r1, 26.5.6-r3
18 May 202613:18
–osv
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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
EPSS0.00051
SSVC
CWE-772
netty epoll transporthalf closed stateremote resetstale connectionscpu spindenial of service
3