CVE-2024-56520

HIGHNVD 7.37.3—

7.3

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 v3: 7.3
EG Score: 7.3(medium)
EPSS: 25.6%
KEV: Not listed

Published

December 27, 2024

Last Modified

April 15, 2026

References (6)

cve@mitrehttps://github.com/tecnickcom/TCPDF/commit/a0a02efe487cc39bd5223359e916dbeafb5cd6fe
cve@mitrehttps://github.com/tecnickcom/TCPDF/compare/6.7.8...6.8.0
cve@mitrehttps://github.com/tecnickcom/tc-lib-pdf-font/commit/30012e333ae611c514ec2dc7cb370bbf4da4e677
cve@mitrehttps://github.com/tecnickcom/tc-lib-pdf-font/compare/2.6.2...2.6.4
cve@mitrehttps://tcpdf.org
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/06/msg00004.html

Affected Packages

(1 across 1 ecosystem)

Packagist(1)

Package	Vulnerable range	Fixed in	Dependents
tecnickcom/tc-lib-pdf-font	1.0.1 ... 2.6.2 (77 versions)	2.6.4	—

Data Freshness Timeline

(refreshed 19× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-23 00:09 UTCEG score recompute
2026-05-22 21:16 UTCepss_batch
2026-05-22 21:16 UTCepss_batch
2026-05-22 21:16 UTCepss_batch
2026-05-22 21:16 UTCepss_batch
2026-05-21 22:42 UTCepss_batch
2026-05-21 19:56 UTCEG score recompute
2026-05-20 22:37 UTCepss_batch
2026-05-20 22:37 UTCepss_batch
2026-05-20 22:37 UTCepss_batch
2026-05-20 22:37 UTCepss_batch
2026-05-20 22:37 UTCepss_batch
2026-05-20 11:21 UTCepss_batch

Frequently asked(5)

What is CVE-2024-56520?

CVE-2024-56520 is a high vulnerability published on December 27, 2024. 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.

When was CVE-2024-56520 disclosed?

CVE-2024-56520 was first published in the National Vulnerability Database on December 27, 2024, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2024-56520 actively exploited?

CVE-2024-56520 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 25.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2024-56520?

CVE-2024-56520 has a CVSS v3 base score of 7.3 (NVD).

How do I remediate CVE-2024-56520?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-56520, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2024-56520

📅 Published

🔄 Last Modified

🔗 References (6)