CVE-2023-32763 Memory corruption in n/a

High 7.5 Published Updated

A buffer overflow in Qt's SVG rendering allows attackers to execute arbitrary code or cause denial of service via malicious SVG files.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2023-32763?

CVE-2023-32763 is a high-severity memory corruption vulnerability in Qt Qt, published on 28 May 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered in Qt before 5.15.15, 6.x before 6.2.9, and 6.3.x through 6.5.x before 6.5.1. When a SVG file with an image inside it is rendered, a QTextLayout buffer overflow can be triggered.

Weakness: CWE-120

Which versions are affected by CVE-2023-32763?

It affects 1 product.

Linux distribution packages (19)
libqt5-qtbase SUSE:Enterprise Storage 7All versions5.12.7-150200.4.20.1
libqt5-qtbase SUSE:Enterprise Storage 7.1All versions5.12.7-150200.4.20.1
libqt5-qtbase SUSE:Linux Enterprise High Performance Computing 15 SP2-LTSSAll versions5.12.7-150200.4.20.1
libqt5-qtbase SUSE:Linux Enterprise High Performance Computing 15 SP3-ESPOSAll versions5.12.7-150200.4.20.1
libqt5-qtbase SUSE:Linux Enterprise High Performance Computing 15 SP3-LTSSAll versions5.12.7-150200.4.20.1
libqt5-qtbase SUSE:Linux Enterprise Module for Basesystem 15 SP5All versions5.15.8+kde185-150500.4.3.1
libqt5-qtbase SUSE:Linux Enterprise Module for Desktop Applications 15 SP5All versions5.15.8+kde185-150500.4.3.1
qt6-base SUSE:Linux Enterprise Module for Desktop Applications 15 SP5All versions6.4.2-150500.3.3.1
qt6-base SUSE:Linux Enterprise Module for Package Hub 15 SP5All versions6.4.2-150500.3.3.1
libqt5-qtbase SUSE:Linux Enterprise Real Time 15 SP3All versions5.12.7-150200.4.20.1
libqt5-qtbase SUSE:Linux Enterprise Server 15 SP2-LTSSAll versions5.12.7-150200.4.20.1
libqt5-qtbase SUSE:Linux Enterprise Server 15 SP3-LTSSAll versions5.12.7-150200.4.20.1
libqt5-qtbase SUSE:Linux Enterprise Server for SAP Applications 15 SP2All versions5.12.7-150200.4.20.1
libqt5-qtbase SUSE:Linux Enterprise Server for SAP Applications 15 SP3All versions5.12.7-150200.4.20.1
libqt5-qtbase SUSE:Manager Proxy 4.2All versions5.12.7-150200.4.20.1
libqt5-qtbase SUSE:Manager Server 4.2All versions5.12.7-150200.4.20.1
libqt5-qtbase openSUSE:Leap 15.5All versions5.15.8+kde185-150500.4.3.1
qt6-base openSUSE:Leap 15.5All versions6.4.2-150500.3.3.1
qt6-base-docs openSUSE:Leap 15.5All versions6.4.2-150500.3.3.1

Products include Qt Qt.

How do I fix CVE-2023-32763?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2023-32763 being exploited?

There is no known exploitation of CVE-2023-32763 in the wild and no public exploit code.

All Qt Qt vulnerabilities

Sources

Also known as AZL-26877, CLEANSTART-2026-ES27254, DEBIAN-CVE-2023-32763, GHSA-j2m5-w7qp-hqg7, SUSE-SU-2023:2780-1, SUSE-SU-2023:2824-1 and 2 more.

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