CVE-2024-22640

Name: CVE-2024-22640
Creator: NVD / NIST
Published: 2024-04-19T16:15:09.63+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.32%

Last modified Jun 17, 2026

CVE-2024-22640 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. TCPDF version <=6.6.5 is vulnerable to ReDoS (Regular Expression Denial of Service) if parsing an untrusted HTML page with a crafted color.. EPSS estimates a 1.32% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

1.32%

67.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-1333

Affected Software

Vendor	Product	Versions
Tcpdf Project	Tcpdf	<= 6.7.4
Fedoraproject	Fedora	40

References

https://github.com/tecnickcom/TCPDFProduct
https://github.com/zunak/CVE-2024-22640Exploit, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LIB3R2WB7XPW2I4PGVMZ3VLFLRHOK4RB/Third Party Advisory
https://github.com/tecnickcom/TCPDFProduct
https://github.com/zunak/CVE-2024-22640Exploit, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2025/06/msg00004.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LIB3R2WB7XPW2I4PGVMZ3VLFLRHOK4RB/Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LIB3R2WB7XPW2I4PGVMZ3VLFLRHOK4RB/

Timeline

Published: Apr 19, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2024-22640?

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

How severe is CVE-2024-22640?

CVE-2024-22640 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.32% probability of exploitation in the next 30 days.

How do I fix CVE-2024-22640?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-22640?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST