CVE-2023-51714 Integer overflow in n/a
An integer overflow in Qt's HTTP2 HPack implementation can lead to denial of service, requiring users to upgrade the Qt library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-51714?
CVE-2023-51714 is a critical vulnerability in Debian Debian Linux, published on 24 Dec 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 the HTTP2 implementation in Qt before 5.15.17, 6.x before 6.2.11, 6.3.x through 6.5.x before 6.5.4, and 6.6.x before 6.6.2. network/access/http2/hpacktable.cpp has an incorrect HPack integer overflow check.
Weakness: CWE-190
Which versions are affected by CVE-2023-51714?
It affects 2 products.
Linux distribution packages (9)
libqt5-qtbase SUSE:Linux Enterprise Module for Basesystem 15 SP5 | All versions | 5.15.8+kde185-150500.4.16.1 |
libqt5-qtbase SUSE:Linux Enterprise Module for Desktop Applications 15 SP5 | All versions | 5.15.8+kde185-150500.4.16.1 |
qt6-base SUSE:Linux Enterprise Module for Desktop Applications 15 SP5 | All versions | 6.4.2-150500.3.14.1 |
qt6-base SUSE:Linux Enterprise Module for Package Hub 15 SP5 | All versions | 6.4.2-150500.3.14.1 |
libqt5-qtbase openSUSE:Leap 15.5 | All versions | 5.15.8+kde185-150500.4.16.1 |
qt6-base openSUSE:Leap 15.5 | All versions | 6.4.2-150500.3.14.1 |
qt6-base-docs openSUSE:Leap 15.5 | All versions | 6.4.2-150500.3.14.1 |
libqt5-qtbase openSUSE:Tumbleweed | All versions | 5.15.12+kde147-1.1 |
qt6-base openSUSE:Tumbleweed | All versions | 6.6.1-5.1 |
Products include Debian Debian Linux, Qt Qt.
How do I fix CVE-2023-51714?
Upgrade to a fixed version.
Is CVE-2023-51714 being exploited?
There is no known exploitation of CVE-2023-51714 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as AZL-33517, AZL-38245, CLSA-2025-1762191563, DEBIAN-CVE-2023-51714, GHSA-4fvr-x23f-jwc4, OESA-2024-1161 and 5 more.