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Ubuntu 22.04 LTS: Qt Critical Denial of Service, Info Leak USN-7780-1

ubuntu
Calendar Grey September 29, 2025
Dist Ubuntu Esm H88
Multiple security issues in Qt require urgent updates. Address risks like denial of service and information leaks.
Several security issues were fixed in Qt.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS 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 certain inputs when using the SQL ODBC driver plugin. An attacker could possibly use this issue to cause a denial of service. (CVE-2023-24607) It was discovered that Qt did not correctly parse certain strict-transport- security headers. An attacker could possibly use this issue to leak sensitive information. This issue only affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2023-32762) It was discovered that Qt did not correctly handle certain inputs from DNS servers. A remote attacker could possibly use this issue to execute arbitrary code or cause a denial of service. (CVE-2023-33285) It was discovered that Qt did not correctly validate certain CA certifi...

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Topics%20covered

Topics Covered

security advisory denial of service information leak critical Ubuntu Qt

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 22.04 LTS libqt5core5a 5.15.3+dfsg-2ubuntu0.2+esm1 Available with Ubuntu Pro libqt5gui5 5.15.3+dfsg-2ubuntu0.2+esm1 Available with Ubuntu Pro Ubuntu 20.04 LTS libqt5core5a 5.12.8+dfsg-0ubuntu2.1+esm1 Available with Ubuntu Pro libqt5gui5 5.12.8+dfsg-0ubuntu2.1+esm1 Available with Ubuntu Pro Ubuntu 18.04 LTS libqt5core5a 5.9.5+dfsg-0ubuntu2.6+esm1 Available with Ubuntu Pro libqt5gui5 5.9.5+dfsg-0ubuntu2.6+esm1 Available with Ubuntu Pro Ubuntu 16.04 LTS libqt5core5a 5.5.1+dfsg-16ubuntu7.7+esm1 Available with Ubuntu Pro libqt5gui5 5.5.1+dfsg-16ubuntu7.7+esm1 Available with Ubuntu Pro In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-7780-1

CVE-2023-24607, CVE-2023-32762, CVE-2023-33285, CVE-2023-34410

Severity
critical
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Low
Medium
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Critical

Ubuntu Security Notice USN-7780-1

Topics%20covered

Topics Covered

security advisory denial of service information leak critical Ubuntu Qt

Package Information

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