CVE-2023-37369 Denial of service in n/a

High 7.5 Published Updated

An attacker can cause an application crash in Qt's QXmlStreamReader by providing a crafted XML string, leading to denial of service.

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

What is CVE-2023-37369?

CVE-2023-37369 is a high-severity denial of service vulnerability in Debian Debian Linux, published on 20 Aug 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In Qt before 5.15.15, 6.x before 6.2.9, and 6.3.x through 6.5.x before 6.5.2, there can be an application crash in QXmlStreamReader via a crafted XML string that triggers a situation in which a prefix is greater than a length.

Which versions are affected by CVE-2023-37369?

It affects 2 products.

Linux distribution packages (7)
libqt5-qtbase SUSE:Linux Enterprise Module for Basesystem 15 SP4All versions5.15.2+kde294-150400.6.10.1
libqt5-qtbase SUSE:Linux Enterprise Module for Basesystem 15 SP5All versions5.15.8+kde185-150500.4.13.1
libqt5-qtbase SUSE:Linux Enterprise Module for Desktop Applications 15 SP4All versions5.15.2+kde294-150400.6.10.1
libqt5-qtbase SUSE:Linux Enterprise Module for Desktop Applications 15 SP5All versions5.15.8+kde185-150500.4.13.1
libqt5-qtbase openSUSE:Leap 15.4All versions5.15.2+kde294-150400.6.10.1
libqt5-qtbase openSUSE:Leap 15.5All versions5.15.8+kde185-150500.4.13.1
libqt5-qtbase openSUSE:TumbleweedAll versions5.15.11+kde138-3.1

Products include Debian Debian Linux, Qt Qt.

How do I fix CVE-2023-37369?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2023-37369 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-37369 exists.

All Debian Debian Linux vulnerabilities

Sources

Also known as AZL-27920, DEBIAN-CVE-2023-37369, GHSA-h6px-w542-49xj, OESA-2023-1610, SUSE-SU-2023:4950-1, SUSE-SU-2023:4951-1 and 2 more.

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