DEBIAN-CVE-2018-21035

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Source
https://security-tracker.debian.org/tracker/CVE-2018-21035
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2018-21035.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2018-21035
Upstream
Published
2020-02-28T21:15:12.790Z
Modified
2025-11-14T03:11:57.042637Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

In Qt through 5.14.1, the WebSocket implementation accepts up to 2GB for frames and 2GB for messages. Smaller limits cannot be configured. This makes it easier for attackers to cause a denial of service (memory consumption).

References

Affected packages

Debian:11

qtwebsockets-opensource-src

Package

Name
qtwebsockets-opensource-src
Purl
pkg:deb/debian/qtwebsockets-opensource-src?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.15.1-2

Ecosystem specific 

{
    "urgency": "low"
}

Database specific

source

"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2018-21035.json"

Debian:12

qtwebsockets-opensource-src

Package

Name
qtwebsockets-opensource-src
Purl
pkg:deb/debian/qtwebsockets-opensource-src?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.15.1-2

Ecosystem specific 

{
    "urgency": "low"
}

Database specific

source

"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2018-21035.json"

Debian:13

qtwebsockets-opensource-src

Package

Name
qtwebsockets-opensource-src
Purl
pkg:deb/debian/qtwebsockets-opensource-src?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.15.1-2

Ecosystem specific 

{
    "urgency": "low"
}

Database specific

source

"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2018-21035.json"

Debian:14

qtwebsockets-opensource-src

Package

Name
qtwebsockets-opensource-src
Purl
pkg:deb/debian/qtwebsockets-opensource-src?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.15.1-2

Ecosystem specific 

{
    "urgency": "low"
}

Database specific

source

"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2018-21035.json"