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tomcat: Apache Tomcat: Denial of Service due to lost asynchronous WebSocket write timeouts

🗓️ 16 Sep 2026 15:15:31Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 3 Views

Remote DoS in Apache Tomcat due to lost asynchronous WebSocket write timeouts.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
circl
Circl		CVE-2026-79677
23 Sep 202613:10
–circl
cve
CVE		CVE-2026-79677
23 Sep 202611:28
–cve
cvelist
Cvelist		CVE-2026-79677 Apache Tomcat: WebSocket DoS due to lost asynchronous write timeout
23 Sep 202611:28
–cvelist
debiancve
Debian CVE		CVE-2026-79677
23 Sep 202611:28
–debiancve
euvd
EUVD		EUVD-2026-85232
23 Sep 202611:28
–euvd
f5
F5 Networks		K000163436: Apache Tomcat vulnerabilities CVE-2026-73581, CVE-2026-76183, CVE-2026-77762, and CVE-2026-79677
28 Sep 202616:27
–f5
kaspersky
Kaspersky		KLA91299 SB vulnerabilities in Apache Tomcat
15 Sep 202600:00
–kaspersky
nvd
NVD		CVE-2026-79677
23 Sep 202612:17
–nvd
osv
OSV		DEBIAN-CVE-2026-79677
23 Sep 202612:17
–osv
osv
OSV		OPENSUSE-SU-2026:11906-1 tomcat-9.0.122-1.1 on GA media
28 Sep 202600:00
–osv
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Hardened Imagesanynoarchtomcat1111.0.26-0.1.hum1tomcat11-11.0.26-0.1.hum1.noarch.rpm
Red Hat Hardened Imagesanynoarchtomcat11-admin-webapps11.0.26-0.1.hum1tomcat11-admin-webapps-11.0.26-0.1.hum1.noarch.rpm
Red Hat Hardened Imagesanynoarchtomcat11-common11.0.26-0.1.hum1tomcat11-common-11.0.26-0.1.hum1.noarch.rpm
Red Hat Hardened Imagesanynoarchtomcat11-docs-webapp11.0.26-0.1.hum1tomcat11-docs-webapp-11.0.26-0.1.hum1.noarch.rpm
Red Hat Hardened Imagesanynoarchtomcat11-el-6.0-api11.0.26-0.1.hum1tomcat11-el-6.0-api-11.0.26-0.1.hum1.noarch.rpm
Red Hat Hardened Imagesanynoarchtomcat11-jsp-4.0-api11.0.26-0.1.hum1tomcat11-jsp-4.0-api-11.0.26-0.1.hum1.noarch.rpm
Red Hat Hardened Imagesanynoarchtomcat11-lib11.0.26-0.1.hum1tomcat11-lib-11.0.26-0.1.hum1.noarch.rpm
Red Hat Hardened Imagesanynoarchtomcat11-servlet-6.1-api11.0.26-0.1.hum1tomcat11-servlet-6.1-api-11.0.26-0.1.hum1.noarch.rpm
Red Hat Hardened Imagesanynoarchtomcat11-user-instance11.0.26-0.1.hum1tomcat11-user-instance-11.0.26-0.1.hum1.noarch.rpm
Red Hat Hardened Imagesanynoarchtomcat11-webapps11.0.26-0.1.hum1tomcat11-webapps-11.0.26-0.1.hum1.noarch.rpm

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30 Sep 2026 13:11Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.17.5
EPSS0.00322
SSVC
CWE-772
Apache TomcatDenial of Serviceasynchronous WebSocket writeunix
3