{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-79677","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","state":"PUBLISHED","assignerShortName":"apache","dateReserved":"2026-08-25T11:23:12.731Z","datePublished":"2026-09-23T11:28:03.338Z","dateUpdated":"2026-09-23T18:10:47.712Z"},"containers":{"cna":{"providerMetadata":{"orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","shortName":"apache","dateUpdated":"2026-09-23T11:28:03.338Z"},"title":"Apache Tomcat: WebSocket DoS due to lost asynchronous write timeout","problemTypes":[{"descriptions":[{"description":"CWE-772 Missing release of resource after effective lifetime","lang":"en","cweId":"CWE-772","type":"CWE"}]},{"descriptions":[{"description":"CWE-1025 Comparison using wrong factors","lang":"en","cweId":"CWE-1025","type":"CWE"}]}],"source":{"discovery":"INTERNAL"},"affected":[{"vendor":"Apache Software Foundation","product":"Apache Tomcat","versions":[{"status":"affected","version":"11.0.0-M1","lessThanOrEqual":"11.0.25","versionType":"semver"},{"status":"affected","version":"10.1.0-M1","lessThanOrEqual":"10.1.59","versionType":"semver"},{"status":"affected","version":"9.0.0.M1","lessThanOrEqual":"9.0.121","versionType":"semver"},{"status":"affected","version":"8.5.0","lessThanOrEqual":"8.5.100","versionType":"semver"},{"status":"affected","version":"7.0.43","lessThanOrEqual":"7.0.109","versionType":"semver"},{"status":"unaffected","version":"0","lessThan":"7.0.43","versionType":"semver"}],"defaultStatus":"unaffected"}],"descriptions":[{"value":"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.\n\n\n\nThis 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.\n\n\n\nThe 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.\n\n\n\nUsers are recommended to upgrade to version 11.0.26, 10.1.60 or 9.0.122, which fix the issue.","lang":"en","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>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.</p><p>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.</p><p>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.&nbsp;Other unsupported versions may also be affected.</p><p>Users are recommended to upgrade to version 11.0.26, 10.1.60 or 9.0.122, which fix the issue.</p>"}]}],"references":[{"url":"https://lists.apache.org/thread/bzwps6ck4szf2hmksbbon3syyl9qnkv8","tags":["vendor-advisory"]}],"metrics":[{"other":{"type":"Textual description of severity","content":{"text":"moderate"}},"scenarios":[{"lang":"en","value":"GENERAL"}]}],"x_generator":{"engine":"Vulnogram 1.0.3"}},"adp":[{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.5,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-09-23T16:05:21.474452Z","id":"CVE-2026-79677","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-09-23T16:08:11.343Z"}},{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/09/23/27"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2026-09-23T18:10:47.712Z"}}]}}