Vulnerability Description
An issue was discovered in tc-lib-pdf-font before 2.6.4, as used in TCPDF before 6.8.0 and other products. Fonts are mishandled, e.g., FontBBox for Type 1 and TrueType fonts is misparsed.
CVSS Score
7.3
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
References
- https://github.com/tecnickcom/TCPDF/commit/a0a02efe487cc39bd5223359e916dbeafb5cd
- https://github.com/tecnickcom/TCPDF/compare/6.7.8...6.8.0
- https://github.com/tecnickcom/tc-lib-pdf-font/commit/30012e333ae611c514ec2dc7cb3
- https://github.com/tecnickcom/tc-lib-pdf-font/compare/2.6.2...2.6.4
- https://tcpdf.org
- https://lists.debian.org/debian-lts-announce/2025/06/msg00004.html
FAQ
What is CVE-2024-56520?
CVE-2024-56520 is a vulnerability with a CVSS score of 7.3 (HIGH). An issue was discovered in tc-lib-pdf-font before 2.6.4, as used in TCPDF before 6.8.0 and other products. Fonts are mishandled, e.g., FontBBox for Type 1 and TrueType fonts is misparsed.
How severe is CVE-2024-56520?
CVE-2024-56520 has been rated HIGH with a CVSS base score of 7.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2024-56520?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.