AIKIDO-2024-10398
tecnickcom/tcpdf is vulnerable to Regular Expression Denial of Service (ReDoS)
31
Low Risk
This Affects:
tecnickcom/tcpdfTL;DR
Affected versions of this package are vulnerable to a Regular Expression Denial of Service (ReDoS) in the setSVGStyles function. A crafted input with patterns designed to trigger excessive backtracking in the regular expression can cause the function to consume excessive CPU resources, potentially leading to a denial of service.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range.
Background info
tecnickcom/tcpdf is vulnerable to Regular Expression Denial of Service (ReDoS) in versions 2.0.000 - 6.7.6.
How to fix this
Upgrade the tecnickcom/tcpdf library to the patch version.
Links
github.com/tecnickcom/TCPDF/blob/main/CHANGELOG.TXTgithub.com/zunak/CVE-2024-22641
lists.debian.org/debian-lts-announce/2025/06/msg00004.html
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