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Ubuntu 24.04 LTS Qt Key Vulnerability and Risk Findings USN-8077-1

ubuntu
Calendar Grey March 5, 2026
Dist Ubuntu Esm H88
Ubuntu 24.04 LTS Qt security advisory covers severe denial of service issues in several versions. Updates are crucial.
Several security issues were fixed in Qt.

Summary

Several security issues were fixed in Qt.

Software Description:

- qtbase-opensource-src: Qt 5 libraries

Details:

It was discovered that Qt did not correctly handle OpenSSL's error queue.

An attacker could possibly use this issue to cause a denial of service.

This issue was only addressed in Ubuntu 20.04 LTS. (CVE-2020-13962)

It was discovered that Qt incorrectly handled certain XBM image files. If a

user or automated system were tricked into opening a specially crafted PPM

file, a remote attacker could cause Qt to crash, resulting in a denial of

service. This issue was only addressed in Ubuntu 16.04 LTS and

Ubuntu 20.04 LTS. (CVE-2020-17507)

It was discovered that Qt did not correctly handle executing specific

binaries. If a user or automated system were tricked into executing a

binary at a specific file path, an attacker could cause a denial of

service or execute arbitrary code. This issue was only addressed in

Ubuntu 20.04 LTS. (CVE-2022-25255)

It was discovered that Qt did...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu OpenSSL important Qt

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 24.04 LTS
  libqt5core5t64                  5.15.13+dfsg-1ubuntu1+esm1
                                  Available with Ubuntu Pro
  libqt5gui5t64                   5.15.13+dfsg-1ubuntu1+esm1
                                  Available with Ubuntu Pro

Ubuntu 22.04 LTS
  libqt5core5a                    5.15.3+dfsg-2ubuntu0.2+esm3
                                  Available with Ubuntu Pro
  libqt5gui5                      5.15.3+dfsg-2ubuntu0.2+esm3
                                  Available with Ubuntu Pro

Ubuntu 20.04 LTS
  libqt5core5a                    5.12.8+dfsg-0ubuntu2.1+esm3
                                  Available with Ubuntu Pro
  libqt5gui5                      5.12.8+dfsg-0ubuntu2.1+esm3
                                  Available with Ubuntu Pro

Ubuntu 18.04 LTS
  libqt5core5a                    5.9.5+dfsg-0ubuntu2.6+esm2
                                  Available with Ubuntu Pro
  libqt5gui5                      5.9.5+dfsg-0ubuntu2.6+esm2
                                  Available with Ubuntu Pro

Ubuntu 16.04 LTS
  libqt5core5a                    5.5.1+dfsg-16ubuntu7.7+esm2
                                  Available with Ubuntu Pro
  libqt5gui5                      5.5.1+dfsg-16ubuntu7.7+esm2
                                  Available with Ubuntu Pro

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-8076-1

CVE-2020-13962, CVE-2020-17507, CVE-2022-25255, CVE-2023-51714,

CVE-2024-39936

Severity
important
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-8076-1

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu OpenSSL important Qt

Package Information

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