GHSA-grhh-r4jj-8jh7

tecnickcom/tc-lib-pdf-font mishandles fonts

Source: GitHub Advisory Database (reviewed) Moderate CVE-2024-56520

Packages

Ecosystem	Package	Affected	Fixed in
Packagist	tecnickcom/tc-lib-pdf-font	< 2.6.4	2.6.4

Details

As written in the advisory (Markdown source, shown as plain text).

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.

References

External links from the advisory. They lead to third-party sites.

https://nvd.nist.gov/vuln/detail/CVE-2024-56520 advisory
https://github.com/tecnickcom/TCPDF/commit/a0a02efe487cc39bd5223359e916dbeafb5cd6fe web
https://github.com/tecnickcom/tc-lib-pdf-font/commit/30012e333ae611c514ec2dc7cb370bbf4da4e677 web
https://github.com/tecnickcom/TCPDF/compare/6.7.8...6.8.0 web
https://github.com/tecnickcom/tc-lib-pdf-font package
https://github.com/tecnickcom/tc-lib-pdf-font/compare/2.6.2...2.6.4 web
https://lists.debian.org/debian-lts-announce/2025/06/msg00004.html web
https://tcpdf.org web