VulnerabilityDeferred
CVE-2024-56520
An issue was discovered in tc-lib-pdf-font before 2.6.4, as used in TCPDF before 6.8.0 and other products.
HIGH 7.3EPSS 0.56%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.56%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 7.3 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- EPSS
- 0.56% probability · 45th percentile
- CISA KEV
- Not listed
- Source
- cve@mitre.org
References
- 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.