CVE-2020-13943

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Source

https://nvd.nist.gov/vuln/detail/CVE-2020-13943

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-13943.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2020-13943

Aliases

Related

Published

2020-10-12T14:15:12Z

Modified

2024-09-18T01:00:20Z

Severity

4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N CVSS Calculator

Summary

[none]

Details

If an HTTP/2 client connecting to Apache Tomcat 10.0.0-M1 to 10.0.0-M7, 9.0.0.M1 to 9.0.37 or 8.5.0 to 8.5.57 exceeded the agreed maximum number of concurrent streams for a connection (in violation of the HTTP/2 protocol), it was possible that a subsequent request made on that connection could contain HTTP headers - including HTTP/2 pseudo headers - from a previous request rather than the intended headers. This could lead to users seeing responses for unexpected resources.

References

Affected packages

Debian:11 / tomcat9

Package

Name: tomcat9
Purl: pkg:deb/debian/tomcat9?arch=source

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

9.0.38-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:12 / tomcat9

Package

Name: tomcat9
Purl: pkg:deb/debian/tomcat9?arch=source

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

9.0.38-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:13 / tomcat9

Package

Name: tomcat9
Purl: pkg:deb/debian/tomcat9?arch=source

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

9.0.38-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Git / github.com/apache/tomcat

Affected ranges

Type: GIT
Repo: https://github.com/apache/tomcat
Events: Introduced

0 Unknown introduced commit / All previous commits are affected

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