CVE-2024-56520 Affecting tcpdf package, versions <6.8.0+dfsg-1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIAN14-TCPDF-11769229
- published10 Aug 2025
- disclosed27 Dec 2024
Introduced: 27 Dec 2024
CVE-2024-56520 (opens in a new tab)How to fix?
Upgrade Debian:14 tcpdf to version 6.8.0+dfsg-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream tcpdf package and not the tcpdf package as distributed by Debian.
See How to fix? for Debian:14 relevant fixed versions and status.
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
- https://security-tracker.debian.org/tracker/CVE-2024-56520
- https://github.com/tecnickcom/TCPDF/commit/a0a02efe487cc39bd5223359e916dbeafb5cd6fe
- https://github.com/tecnickcom/TCPDF/compare/6.7.8...6.8.0
- https://github.com/tecnickcom/tc-lib-pdf-font/commit/30012e333ae611c514ec2dc7cb370bbf4da4e677
- 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