Inefficient regular expression complexity in TCPDF - CVE-2024-22641
Published: October 28, 2024
Vulnerability identifier: #VU99356
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-22641
CWE-ID: CWE-1333
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 input validation when parsing untrusted SVG files. A remote attacker can pass a specially crafted SVG file to the application and perform regular expression denial of service (ReDos) attack.
Affected software
TCPDF
Fedora
php-tcpdf
Fedora
php-tcpdf
How to mitigate CVE-2024-22641
Install update from vendor's website.
TCPDF - update to 6.7.7
php-tcpdf - addressed in versions 6.7.7-1.fc39, 6.7.7-1.fc40, 6.7.7-1.fc41
php-tcpdf - addressed in versions 6.7.7-1.fc39, 6.7.7-1.fc40, 6.7.7-1.fc41