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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://lists.apache.org/thread/bzwps6ck4szf2hmksbbon3syyl9qnkv8
http://www.openwall.com/lists/oss-security/2026/09/23/27

Configurations

No configuration.

History

23 Sep 2026, 19:19

Type	Values Removed	Values Added
References		() http://www.openwall.com/lists/oss-security/2026/09/23/27 -

23 Sep 2026, 17:17

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.5

23 Sep 2026, 12:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-23 12:17

Updated : 2026-09-23 19:19

NVD link : CVE-2026-79677

Mitre link : CVE-2026-79677

CVE.ORG link : CVE-2026-79677

JSON object : View

Products Affected

No product.

CWE

CWE-772

Missing Release of Resource after Effective Lifetime

CWE-1025

Comparison Using Wrong Factors

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