TCPDF vulnerable to Regular Expression Denial of Service

HIGH 7.5CVE-2024-22640 · GHSA-mx3p-fhpw-x6rv · Published 19/04/2024 · updated 17/06/2026

In short

CVE-2024-22640 is a HIGH (CVSS 7.5) vulnerability affecting tecnickcom/tcpdf, tcpdf (tcpdf project).
Chance of exploitation in the next 30 days (EPSS): 1.3%, higher than 71.0% of all vulnerabilities.
Fix: update to 6.7.5 or later.

Package	Affected versions	Patched versions
tecnickcom/tcpdf Packagist	`< 6.7.5`	`6.7.5`
tcpdf tcpdf_project	`≤ 6.7.4`	No fix yet

TCPDF version <= 6.7.4 is vulnerable to ReDoS (Regular Expression Denial of Service) if parsing an untrusted HTML page with a crafted color.

NVD description

TCPDF version <=6.6.5 is vulnerable to ReDoS (Regular Expression Denial of Service) if parsing an untrusted HTML page with a crafted color.

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