TCPDF version 6.6.5 and before is vulnerable to ReDoS (Regular Expression Denial of…
Priority HIGH 72CWE-434Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-434.
Summary
TCPDF version 6.6.5 and before is vulnerable to ReDoS (Regular Expression Denial of Service) if parsing an untrusted SVG file.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01113 66th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:tcpdf_project:tcpdf:*:*:*:*:*:*:*:* | up to 6.7.4 | Vulnerable | Tcpdf Project |
- cpe:2.3:a:tcpdf_project:tcpdf:*:*:*:*:*:*:*:* Versions up to 6.7.4 Vulnerable ·Tcpdf Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-22641
References
More Tcpdf Project Tcpdf vulnerabilities
- TI-2024-37408 Improper certificate validation in Tecnick tcpdf CVSS 3.1CRITICAL 9.8
- TI-2024-15091 TCPDF version <=6.6.5 is vulnerable to ReDoS (Regular Expression Denial of Service) if… CVSS 3.1HIGH 7.5
- TI-2024-37414 Cross-site scripting in Tecnick tcpdf CVSS 3.1HIGH 7.5
- TI-2024-37409 Type confusion in Tecnick tcpdf CVSS 3.1HIGH 7.5
- TI-2024-37406 Cross-site scripting in Tecnick tcpdf CVSS 3.1HIGH 7.5
- TI-2017-03998 tcpdf before 6.2.0 uploads files from the server generating PDF-files to an external FTP. CVSS 3.0HIGH 7.5
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences