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CVE-2026-68763 (GCVE-0-2026-68763)

Vulnerability from cvelistv5 – Published: 2026-08-25 22:00 – Updated: 2026-08-26 18:36
VLAI
Title
Apache Tomcat: DoS via allocation leak in HTTP/2 backlog tracking when a stream is reset
Summary
Uncontrolled Resource Consumption vulnerability in Apache Tomcat via an allocation leak in the HTTP/2 backlog tracking when a stream is reset This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.39 through 9.0.120. The following versions were EOL at the time the CVE was created but are known to be affected: from 8.5.59 through 8.5.100. Other unsupported versions may also be affected. Users are recommended to upgrade to version 11.0.25, 10.1.58 or 9.0.121, which fix the issue.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-26 18:36 UTC
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Assigner
References
Impacted products
Vendor Product Version CPE status
Apache Software Foundation Apache Tomcat Affected: 11.0.0-M1 , ≤ 11.0.24 (semver)
Affected: 10.1.0-M1 , ≤ 10.1.57 (semver)
Affected: 9.0.39 , ≤ 9.0.120 (semver)
Affected: 8.5.59 , ≤ 8.5.100 (semver)
Unaffected: 0 , ≤ 7.0.109 (semver)
guessed Create a notification for this product.
Credits
Zhen Kong
Show details on NVD website
To clipboard 

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