What’s Vulnerable › Vulnerabilities

CVE-2024-22640

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2024-04-19 · updated 2026-06-17
• Weakness: CWE-1333

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.

Affected products

• Fedoraproject Fedora: 40
• tecnick tcpdf: through 6.7.4

References

• https://github.com/tecnickcom/TCPDF
• https://github.com/zunak/CVE-2024-22640
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LIB3R2WB7XPW2I4PGVMZ3VLFLRHOK4RB/
• https://github.com/tecnickcom/TCPDF
• https://github.com/zunak/CVE-2024-22640
• https://lists.debian.org/debian-lts-announce/2025/06/msg00004.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LIB3R2WB7XPW2I4PGVMZ3VLFLRHOK4RB/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LIB3R2WB7XPW2I4PGVMZ3VLFLRHOK4RB/

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