CVE-2020-13934 (GCVE-0-2020-13934)

Vulnerability from cvelistv5 – Published: 2020-07-14 14:59 – Updated: 2026-10-08 21:13
VLAI
Summary
An h2c direct connection to Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M5 to 9.0.36 and 8.5.1 to 8.5.56 did not release the HTTP/1.1 processor after the upgrade to HTTP/2. If a sufficient number of such requests were made, an OutOfMemoryException could occur leading to a denial of service.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-08 21:09 UTC
CWE
  • Denial of Service
Assigner
apache CNA under the mitre root
CNA scorecard B 76/100 over 934 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
n/a Apache Tomcat Affected: Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M5 to 9.0.36, 8.5.1 to 8.5.56
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