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CVE-2026-79677

Опубликовано: 23 сент. 2026
Источник: redhat
CVSS3: 7.5

Описание

Missing release of resource after effective lifetime, Comparison using wrong factors vulnerability in Apache Tomcat allows a denial of service as a result of lost time outs for asynchronous WebSocket writes. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.25, from 10.1.0-M1 through 10.1.59, from 9.0.0.M1 through 9.0.121. The following versions were EOL at the time the CVE was created but are known to be affected: from 8.5.0 through 8.5.100, from 7.0.43 through 7.0.109. Other unsupported versions may also be affected. Users are recommended to upgrade to version 11.0.26, 10.1.60 or 9.0.122, which fix the issue.

A flaw was found in Apache Tomcat. This vulnerability allows a remote attacker to cause a Denial of Service (DoS) by exploiting lost timeouts for asynchronous WebSocket writes. This can lead to the affected system becoming unresponsive or unavailable.

Затронутые пакеты

ПлатформаПакетСостояниеРекомендацияРелиз
Red Hat Enterprise Linux 10tomcatAffected
Red Hat Enterprise Linux 10tomcat9Affected
Red Hat Enterprise Linux 6tomcat6Out of support scope
Red Hat Enterprise Linux 7tomcatOut of support scope
Red Hat Enterprise Linux 8pki-deps:10.6/pki-servlet-engineWill not fix
Red Hat Enterprise Linux 8tomcatAffected
Red Hat Enterprise Linux 9pki-servlet-engineWill not fix
Red Hat Enterprise Linux 9tomcatAffected
Red Hat Hardened Imageshi/tomcatNot affected
Red Hat JBoss Web Server 5jws5-tomcatWill not fix

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Дополнительная информация

Статус:

Moderate
Дефект:
CWE-772
https://bugzilla.redhat.com/show_bug.cgi?id=2539616tomcat: Apache Tomcat: Denial of Service due to lost asynchronous WebSocket write timeouts

7.5 High

CVSS3

Связанные уязвимости

CVSS3: 7.5
ubuntu
около 2 месяцев назад

Missing release of resource after effective lifetime, Comparison using wrong factors vulnerability in Apache Tomcat allows a denial of service as a result of lost time outs for asynchronous WebSocket writes. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.25, from 10.1.0-M1 through 10.1.59, from 9.0.0.M1 through 9.0.121. The following versions were EOL at the time the CVE was created but are known to be affected: from 8.5.0 through 8.5.100, from 7.0.43 through 7.0.109. Other unsupported versions may also be affected. Users are recommended to upgrade to version 11.0.26, 10.1.60 or 9.0.122, which fix the issue.

CVSS3: 7.5
nvd
около 2 месяцев назад

Missing release of resource after effective lifetime, Comparison using wrong factors vulnerability in Apache Tomcat allows a denial of service as a result of lost time outs for asynchronous WebSocket writes. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.25, from 10.1.0-M1 through 10.1.59, from 9.0.0.M1 through 9.0.121. The following versions were EOL at the time the CVE was created but are known to be affected: from 8.5.0 through 8.5.100, from 7.0.43 through 7.0.109. Other unsupported versions may also be affected. Users are recommended to upgrade to version 11.0.26, 10.1.60 or 9.0.122, which fix the issue.

CVSS3: 7.5
debian
около 2 месяцев назад

Missing release of resource after effective lifetime, Comparison using ...

CVSS3: 7.5
redos
17 дней назад

Уязвимость tomcat11

CVSS3: 7.5
redos
17 дней назад

Уязвимость tomcat10

7.5 High

CVSS3