UBUNTU-CVE-2020-13962

Source
https://ubuntu.com/security/CVE-2020-13962
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-13962.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2020-13962
Upstream
Published
2020-06-09T00:15:00Z
Modified
2025-07-18T16:45:54Z
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
  • Ubuntu - medium
Summary
[none]
Details

Qt 5.12.2 through 5.14.2, as used in unofficial builds of Mumble 1.3.0 and other products, mishandles OpenSSL's error queue, which can cause a denial of service to QSslSocket users. Because errors leak in unrelated TLS sessions, an unrelated session may be disconnected when any handshake fails. (Mumble 1.3.1 is not affected, regardless of the Qt version.)

References

Affected packages

Ubuntu:Pro:20.04:LTS / qtbase-opensource-src

Package

Name
qtbase-opensource-src
Purl
pkg:deb/ubuntu/qtbase-opensource-src@5.12.8+dfsg-0ubuntu2.1?arch=source&distro=esm-apps/focal

Affected ranges

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

Affected versions

5.*

5.12.4+dfsg-4ubuntu1
5.12.5+dfsg-2
5.12.5+dfsg-8
5.12.5+dfsg-8build1
5.12.5+dfsg-9build1
5.12.8+dfsg-0ubuntu1
5.12.8+dfsg-0ubuntu2.1