Input validation error in Qt - CVE-2023-45872
Published: November 27, 2025
Vulnerability identifier: #VU118815
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-45872
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input when handling SVG documents. A remote attacker can pass specially crafted image to the application and perform a denial of service (DoS) attack.
Affected software
Qt
Gentoo Linux
dev-qt/qtsvg
Gentoo Linux
dev-qt/qtsvg
How to mitigate CVE-2023-45872
Install updates from vendor's website.
Qt - addressed in versions 6.2.11, 6.6.1
dev-qt/qtsvg - update to 6.9.3
dev-qt/qtsvg - update to 6.9.3