DEBIAN-CVE-2026-66299

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Source
https://security-tracker.debian.org/tracker/CVE-2026-66299
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-66299.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2026-66299
Upstream
Published
2026-07-28T15:17:50Z
Modified
2026-09-01T16:06:57Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
Summary
[none]
Details

Uncontrolled Resource Consumption vulnerability in Apache Tomcat's WebSocket chat example. This issue affects Apache Tomcat: from 11.0.0-M20 through 11.0.24, from 10.1.24 through 10.1.57, from 9.0.89 through 9.0.120. Users who have followed the security guidance to remove the examples web application are not affected by this issue. Users are recommended to remove the examples web application or to upgrade to version 11.0.25, 10.1.58 or 9.0.121 (when released), which fix the issue.

References

Affected packages

Debian:12
tomcat10

Package

Name
tomcat10
Purl
pkg:deb/debian/tomcat10?arch=source&distro=bookworm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

10.*
10.1.6-1
10.1.6-1+deb12u1
10.1.6-1+deb12u2
10.1.7-1
10.1.8-1
10.1.9-1
10.1.10-1
10.1.13-1
10.1.14-1
10.1.15-1
10.1.16-1
10.1.20-1
10.1.23-1
10.1.25-1~bpo12+1
10.1.25-1
10.1.25-2
10.1.30-1~bpo12+1
10.1.30-1
10.1.31-1
10.1.33-1~bpo12+1
10.1.33-1
10.1.34-0+deb12u1
10.1.34-0+deb12u2
10.1.34-1
10.1.35-1
10.1.40-1~bpo12+1
10.1.40-1
10.1.46-1
10.1.52-1~deb12u1
10.1.52-1~deb13u1
10.1.52-1
10.1.52-2
10.1.54-1
10.1.55-1~deb12u1
10.1.55-1~deb13u1
10.1.55-1

Ecosystem specific 

{
    "urgency": "unimportant"
}

Database specific

source 
"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-66299.json"
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
9.0.70-2

Ecosystem specific 

{
    "urgency": "unimportant"
}

Database specific

source 
"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-66299.json"
Debian:13
tomcat10

Package

Name
tomcat10
Purl
pkg:deb/debian/tomcat10?arch=source&distro=trixie

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

10.*
10.1.40-1
10.1.46-1
10.1.52-1~deb12u1
10.1.52-1~deb13u1
10.1.52-1
10.1.52-2
10.1.54-1
10.1.55-1~deb12u1
10.1.55-1~deb13u1
10.1.55-1

Ecosystem specific 

{
    "urgency": "unimportant"
}

Database specific

source 
"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-66299.json"
tomcat11

Package

Name
tomcat11
Purl
pkg:deb/debian/tomcat11?arch=source&distro=trixie

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

11.*
11.0.6-1
11.0.11-1
11.0.15-1~deb13u1
11.0.15-1
11.0.18-1
11.0.21-1
11.0.22-1~deb13u1
11.0.22-1
11.0.22-2
11.0.24-1

Ecosystem specific 

{
    "urgency": "unimportant"
}

Database specific

source 
"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-66299.json"
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
9.0.70-2

Ecosystem specific 

{
    "urgency": "unimportant"
}

Database specific

source 
"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-66299.json"
Debian:14
tomcat10

Package

Name
tomcat10
Purl
pkg:deb/debian/tomcat10?arch=source&distro=forky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

10.*
10.1.40-1
10.1.46-1
10.1.52-1~deb12u1
10.1.52-1~deb13u1
10.1.52-1
10.1.52-2
10.1.54-1
10.1.55-1~deb12u1
10.1.55-1~deb13u1
10.1.55-1

Ecosystem specific 

{
    "urgency": "unimportant"
}

Database specific

source 
"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-66299.json"
tomcat11

Package

Name
tomcat11
Purl
pkg:deb/debian/tomcat11?arch=source&distro=forky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

11.*
11.0.6-1
11.0.11-1
11.0.15-1~deb13u1
11.0.15-1
11.0.18-1
11.0.21-1
11.0.22-1~deb13u1
11.0.22-1
11.0.22-2
11.0.24-1

Ecosystem specific 

{
    "urgency": "unimportant"
}

Database specific

source 
"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-66299.json"
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
9.0.70-2

Ecosystem specific 

{
    "urgency": "unimportant"
}

Database specific

source 
"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-66299.json"