CVE-2020-13934

2020-07-1400:00:00

ubuntu.com

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.89 High

EPSS

Percentile

98.7%

JSON

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.

OSVersionArchitecturePackageVersionFilename
ubuntu14.04noarchtomcat6< anyUNKNOWN
ubuntu16.04noarchtomcat6< anyUNKNOWN
ubuntu18.04noarchtomcat7< anyUNKNOWN
ubuntu16.04noarchtomcat7< anyUNKNOWN
ubuntu18.04noarchtomcat8< anyUNKNOWN
ubuntu18.04noarchtomcat9< anyUNKNOWN
ubuntu20.04noarchtomcat9< 9.0.31-1ubuntu0.1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	14.04	noarch	tomcat6	< any	UNKNOWN
ubuntu	16.04	noarch	tomcat6	< any	UNKNOWN
ubuntu	18.04	noarch	tomcat7	< any	UNKNOWN
ubuntu	16.04	noarch	tomcat7	< any	UNKNOWN
ubuntu	18.04	noarch	tomcat8	< any	UNKNOWN
ubuntu	18.04	noarch	tomcat9	< any	UNKNOWN
ubuntu	20.04	noarch	tomcat9	< 9.0.31-1ubuntu0.1	UNKNOWN