CVE-2026-79677
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.
- Score
- CVSS 3.1 7.5 High
- Status
- Awaiting Analysis - security@apache.org
- Published
- 2026-09-23
- Last modified
- 2026-09-23
- Weaknesses
- CWE-1025, CWE-772
Affected products
References
- https://lists.apache.org/thread/bzwps6ck4szf2hmksbbon3syyl9qnkv8
- http://www.openwall.com/lists/oss-security/2026/09/23/27