VDB
CVE-2024-56522
CVE-2024-56522
PUBLISHED
CVSS 7.5 HIGH
An issue was discovered in TCPDF before 6.8.0. unserializeTCPDFtag uses != (aka loose comparison) and does not use a constant-time function to compare TCPDF tag hashes.
EPSS 0.16% · 36.0th percentile
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS Score
0.16%
36.0th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| tecnick | tcpdf | 0, 0 |
| tcpdf_project | tcpdf | 0 |
| tecnickcom | tcpdf | 0 |
Timeline
- Dec 27, 2024 CVE Published
- Dec 27, 2024 EPSS Score
- Dec 27, 2024 PoC Published
- Dec 27, 2024 PoC Published
- Jan 12, 2025 EPSS Score
- Jan 28, 2025 EPSS Score
- Feb 14, 2025 EPSS Score
- Mar 2, 2025 EPSS Score
- Mar 13, 2025 Coalition ESS Score
- Mar 18, 2025 EPSS Score
- Apr 3, 2025 EPSS Score
- Apr 19, 2025 EPSS Score
References
- https://tcpdf.org url
- https://github.com/tecnickcom/TCPDF/compare/6.7.8...6.8.0 url
- https://github.com/tecnickcom/TCPDF/commit/d54b97cec33f4f1a5ad81119a82085cad93cec89 url
- https://www.php.net/manual/en/types.comparisons.php url
- https://lists.debian.org/debian-lts-announce/2025/06/msg00004.html url
- https://nvd.nist.gov/vuln/detail/CVE-2024-56522 advisory
- https://github.com/tecnickcom/TCPDF package