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CVE-2020-13934 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00084.html	CVE	Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00088.html	CVE	Mailing ListThird Party Advisory
https://lists.apache.org/thread.html/r61f411cf82488d6ec213063fc15feeeb88e31b0ca9c29652ee4f962e%40%3Cannounce.tomcat.apache.org%3E	CVE	Mailing ListRelease NotesVendor Advisory
https://lists.apache.org/thread.html/ra072b1f786e7d139e86f1d1145572e0ff71cef38a96d9c6f5362aac8%40%3Cdev.tomcat.apache.org%3E	CVE
https://lists.debian.org/debian-lts-announce/2020/07/msg00017.html	CVE	Mailing ListThird Party Advisory
https://security.netapp.com/advisory/ntap-20200724-0003/	CVE	Third Party Advisory
https://usn.ubuntu.com/4596-1/	CVE	Third Party Advisory
https://www.debian.org/security/2020/dsa-4727	CVE	Third Party Advisory
https://www.oracle.com/security-alerts/cpuApr2021.html	CVE	PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpujan2021.html	CVE	PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpujan2022.html	CVE	PatchThird Party Advisory
https://www.oracle.com//security-alerts/cpujul2021.html	CVE	PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpuoct2020.html	CVE	PatchThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00084.html	[email protected]	Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00088.html	[email protected]	Mailing ListThird Party Advisory
https://lists.apache.org/thread.html/r61f411cf82488d6ec213063fc15feeeb88e31b0ca9c29652ee4f962e%40%3Cannounce.tomcat.apache.org%3E	[email protected]	Mailing ListRelease NotesVendor Advisory
https://lists.apache.org/thread.html/ra072b1f786e7d139e86f1d1145572e0ff71cef38a96d9c6f5362aac8%40%3Cdev.tomcat.apache.org%3E	[email protected]
https://lists.debian.org/debian-lts-announce/2020/07/msg00017.html	[email protected]	Mailing ListThird Party Advisory
https://security.netapp.com/advisory/ntap-20200724-0003/	[email protected]	Third Party Advisory
https://usn.ubuntu.com/4596-1/	[email protected]	Third Party Advisory
https://www.debian.org/security/2020/dsa-4727	[email protected]	Third Party Advisory
https://www.oracle.com/security-alerts/cpuApr2021.html	[email protected]	PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpujan2021.html	[email protected]	PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpujan2022.html	[email protected]	PatchThird Party Advisory
https://www.oracle.com//security-alerts/cpujul2021.html	[email protected]	PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpuoct2020.html	[email protected]	PatchThird Party Advisory

see all 26 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-401	Missing Release of Memory after Effective Lifetime	[email protected]
CWE-476	NULL Pointer Dereference	[email protected]

Affected Products

Product	Versions
apache tomcat	>= 8.5.1, <= 8.5.56 >= 9.0.1, <= 9.0.36 9.0.0 milestone10 9.0.0 milestone11 9.0.0 milestone12
CPE cpe:2.3:a:apache:tomcat:::::::: cpe:2.3:a:apache:tomcat:9.0.0:milestone10:::::: cpe:2.3:a:apache:tomcat:9.0.0:milestone11:::::: cpe:2.3:a:apache:tomcat:9.0.0:milestone12:::::: cpe:2.3:a:apache:tomcat:9.0.0:milestone13:::::: cpe:2.3:a:apache:tomcat:9.0.0:milestone14:::::: cpe:2.3:a:apache:tomcat:9.0.0:milestone15:::::: cpe:2.3:a:apache:tomcat:9.0.0:milestone16:::::: cpe:2.3:a:apache:tomcat:9.0.0:milestone17:::::: cpe:2.3:a:apache:tomcat:9.0.0:milestone18:::::: cpe:2.3:a:apache:tomcat:9.0.0:milestone19:::::: cpe:2.3:a:apache:tomcat:9.0.0:milestone20:::::: cpe:2.3:a:apache:tomcat:9.0.0:milestone21:::::: cpe:2.3:a:apache:tomcat:9.0.0:milestone22:::::: cpe:2.3:a:apache:tomcat:9.0.0:milestone23:::::: cpe:2.3:a:apache:tomcat:9.0.0:milestone24:::::: cpe:2.3:a:apache:tomcat:9.0.0:milestone25:::::: cpe:2.3:a:apache:tomcat:9.0.0:milestone26:::::: cpe:2.3:a:apache:tomcat:9.0.0:milestone27:::::: cpe:2.3:a:apache:tomcat:9.0.0:milestone5:::::: cpe:2.3:a:apache:tomcat:9.0.0:milestone6:::::: cpe:2.3:a:apache:tomcat:9.0.0:milestone7:::::: cpe:2.3:a:apache:tomcat:9.0.0:milestone8:::::: cpe:2.3:a:apache:tomcat:9.0.0:milestone9:::::: cpe:2.3:a:apache:tomcat:10.0.0:milestone1:::::: cpe:2.3:a:apache:tomcat:10.0.0:milestone2:::::: cpe:2.3:a:apache:tomcat:10.0.0:milestone3:::::: cpe:2.3:a:apache:tomcat:10.0.0:milestone4:::::: cpe:2.3:a:apache:tomcat:10.0.0:milestone5:::::: cpe:2.3:a:apache:tomcat:10.0.0:milestone6:::::: Remediation No remediation found in references.
debian debian linux	9.0 10.0
CPE cpe:2.3:o:debian:debian_linux:9.0:::::::* cpe:2.3:o:debian:debian_linux:10.0:::::::* Remediation No remediation found in references.
netapp oncommand system manager	>= 3.0.0, <= 3.1.3
CPE cpe:2.3:a:netapp:oncommand_system_manager:::::::: Remediation No remediation found in references.
opensuse leap	15.1 15.2
CPE cpe:2.3:o:opensuse:leap:15.1:::::::* cpe:2.3:o:opensuse:leap:15.2:::::::* Remediation No remediation found in references.
canonical ubuntu linux	20.04
CPE cpe:2.3:o:canonical:ubuntu_linux:20.04::::lts::: Remediation No remediation found in references.
oracle agile engineering data management	6.2.1.0
CPE cpe:2.3:a:oracle:agile_engineering_data_management:6.2.1.0:::::::* Remediation No remediation found in references.
oracle agile product lifecycle management	9.3.3 9.3.5 9.3.6
CPE cpe:2.3:a:oracle:agile_product_lifecycle_management:9.3.3:::::::* cpe:2.3:a:oracle:agile_product_lifecycle_management:9.3.5:::::::* cpe:2.3:a:oracle:agile_product_lifecycle_management:9.3.6:::::::* Remediation No remediation found in references.
oracle communications instant messaging server	10.0.1.5.0
CPE cpe:2.3:a:oracle:communications_instant_messaging_server:10.0.1.5.0:::::::* Remediation No remediation found in references.
oracle fmw platform	12.2.1.3.0 12.2.1.4.0
CPE cpe:2.3:a:oracle:fmw_platform:12.2.1.3.0:::::::* cpe:2.3:a:oracle:fmw_platform:12.2.1.4.0:::::::* Remediation No remediation found in references.
oracle instantis enterprisetrack	17.1 17.2 17.3
CPE cpe:2.3:a:oracle:instantis_enterprisetrack:17.1:::::::* cpe:2.3:a:oracle:instantis_enterprisetrack:17.2:::::::* cpe:2.3:a:oracle:instantis_enterprisetrack:17.3:::::::* Remediation No remediation found in references.
oracle managed file transfer	12.2.1.3.0 12.2.1.4.0
CPE cpe:2.3:a:oracle:managed_file_transfer:12.2.1.3.0:::::::* cpe:2.3:a:oracle:managed_file_transfer:12.2.1.4.0:::::::* Remediation No remediation found in references.
oracle mysql enterprise monitor	<= 8.0.21
CPE cpe:2.3:a:oracle:mysql_enterprise_monitor:::::::: Remediation No remediation found in references.
oracle siebel ui framework	<= 20.12
CPE cpe:2.3:a:oracle:siebel_ui_framework:::::::: Remediation No remediation found in references.
oracle workload manager	12.2.0.1 18c 19c
CPE cpe:2.3:a:oracle:workload_manager:12.2.0.1:::::::* cpe:2.3:a:oracle:workload_manager:18c:::::::* cpe:2.3:a:oracle:workload_manager:19c:::::::* Remediation No remediation found in references.

Change History

22 change records found show changes

Date	Action	Recorded By
Aug 25, 2026	CPE Deprecation Remap	[email protected]
Aug 25, 2026	CPE Deprecation Remap	[email protected]
Aug 25, 2026	CPE Deprecation Remap	[email protected]
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Nov 7, 2023	CVE Modified	[email protected]
Mar 1, 2022	Modified Analysis	[email protected]
Feb 7, 2022	CVE Modified	[email protected]
Jul 21, 2021	CWE Remap	[email protected]
Jul 20, 2021	CVE Modified	[email protected]
Jun 14, 2021	CVE Modified	[email protected]
Jan 20, 2021	CVE Modified	[email protected]
Oct 27, 2020	CVE Modified	[email protected]
Oct 20, 2020	CVE Modified	[email protected]
Aug 18, 2020	CVE Modified	[email protected]
Jul 29, 2020	CVE Modified	[email protected]
Jul 28, 2020	CVE Modified	[email protected]
Jul 24, 2020	CVE Modified	[email protected]
Jul 22, 2020	CVE Modified	[email protected]
Jul 18, 2020	CVE Modified	[email protected]
Jul 17, 2020	Initial Analysis	[email protected]

CVE-2020-13934 Details

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