DEBIAN-CVE-2020-11996

Source
https://security-tracker.debian.org/tracker/CVE-2020-11996
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-11996.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2020-11996
Upstream
Downstream
Published
2020-06-26T17:15:10Z
Modified
2026-10-26T10:01:20Z
Summary
[none]
Details

A specially crafted sequence of HTTP/2 requests sent to Apache Tomcat 10.0.0-M1 to 10.0.0-M5, 9.0.0.M1 to 9.0.35 and 8.5.0 to 8.5.55 could trigger high CPU usage for several seconds. If a sufficient number of such requests were made on concurrent HTTP/2 connections, the server could become unresponsive.

References

Affected packages

Debian:12 / tomcat9

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
9.0.36-1

Ecosystem specific

{
    "urgency":  "not yet assigned"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-11996.json"

Debian:13 / tomcat9

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
9.0.36-1

Ecosystem specific

{
    "urgency":  "not yet assigned"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-11996.json"

Debian:14 / tomcat9

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
9.0.36-1

Ecosystem specific

{
    "urgency":  "not yet assigned"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-11996.json"