Qt up to 6.8.4/6.9.2 SSVG File Renderer recursion

Summaryinfo

A vulnerability, which was classified as critical, has been found in Qt up to 6.8.4/6.9.2. The affected element is an unknown function of the component SSVG File Renderer. The manipulation leads to recursion. This vulnerability is referenced as CVE-2025-10728. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in Qt up to 6.8.4/6.9.2. It has been rated as critical. This issue affects an unknown functionality of the component SSVG File Renderer. The manipulation with an unknown input leads to a recursion vulnerability. Using CWE to declare the problem leads to CWE-674. The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

When the module renders a Svg file that contains a element, it might end up rendering it recursively leading to stack overflow DoS

It is possible to read the advisory at codereview.qt-project.org. The identification of this vulnerability is CVE-2025-10728 since 09/19/2025. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 277002 (RockyLinux 10 : qt6-qtsvg (RLSA-2025:22394)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (277002) and CERT Bund (WID-SEC-2025-2205). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

• Amazon Linux 2
• Red Hat Enterprise Linux
• Fedora Linux
• Oracle Linux
• Gentoo Linux
• SUSE openSUSE
• RESF Rocky Linux
• Open Source QT

Productinfo

Name

• Qt

Version

• 6.8.0
• 6.8.1
• 6.8.2
• 6.8.3
• 6.8.4
• 6.9.0
• 6.9.1
• 6.9.2

License

• open-source

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CPE 2.2info

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Entryinfo

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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