CVE-2025-53506

See a problem?
Please try reporting it to the source first.
Source
https://nvd.nist.gov/vuln/detail/CVE-2025-53506
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-53506.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2025-53506
Aliases
Downstream
Published
2025-07-10T20:15:26Z
Modified
2025-07-11T14:51:02.649250Z
Summary
[none]
Details

Uncontrolled Resource Consumption vulnerability in Apache Tomcat if an HTTP/2 client did not acknowledge the initial settings frame that reduces the maximum permitted concurrent streams.

This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.8, from 10.1.0-M1 through 10.1.42, from 9.0.0.M1 through 9.0.106.

Users are recommended to upgrade to version 11.0.9, 10.1.43 or 9.0.107, which fix the issue.

References

Affected packages

Debian:12 / tomcat10

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown 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

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / tomcat10

Package

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

Affected ranges

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

Affected versions

10.*

10.1.6-1
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
10.1.34-1
10.1.35-1
10.1.40-1~bpo12+1
10.1.40-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / tomcat11

Package

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

Affected ranges

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

Affected versions

11.*

11.0.3-1
11.0.5-1
11.0.6-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

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

Affected versions

9.*

9.0.43-1
9.0.43-2~deb11u1
9.0.43-2~deb11u2
9.0.43-2~deb11u3
9.0.43-2~deb11u4
9.0.43-2~deb11u5
9.0.43-2~deb11u6
9.0.43-2~deb11u7
9.0.43-2~deb11u8
9.0.43-2~deb11u9
9.0.43-2~deb11u10
9.0.43-2~deb11u11
9.0.43-2~deb11u12
9.0.43-2
9.0.43-3
9.0.53-1
9.0.54-1
9.0.55-1
9.0.58-1
9.0.62-1
9.0.63-1
9.0.64-1
9.0.64-2
9.0.65-1
9.0.67-1
9.0.68-1
9.0.68-1.1
9.0.70-1
9.0.70-2
9.0.95-1

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
9.0.70-2

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
9.0.70-2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}