CVE-2024-22640 TCPDF vulnerable to Regular Expression Denial of Service

What is CVE-2024-22640?

CVE-2024-22640 is a high-severity denial of service vulnerability in Fedoraproject Fedora, published on 19 Apr 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-1333

Which versions are affected by CVE-2024-22640?

2 open source packages ship an affected version, including tecnickcom/tcpdf. It affects 2 products.

Products include Fedoraproject Fedora, Tcpdf Project Tcpdf.

How do I fix CVE-2024-22640?

Upgrade tecnickcom/tcpdf to 6.7.5 or later.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2024-22640 being exploited?

There is no known exploitation of CVE-2024-22640 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

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• CVE-2019-5544 VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Exploited Critical 9.8
• CVE-2024-4947 Google Chromium V8 Type Confusion Exploited Critical 9.6
• CVE-2024-4671 Google Chromium Visuals Use-After-Free Exploited Critical 9.6

All Fedoraproject Fedora vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2024-22640, GHSA-mx3p-fhpw-x6rv, MGASA-2024-0169, UBUNTU-CVE-2024-22640.