CVE catalog
CVE-2024-56521
tcpdf: CVE-2024-56521
- Severity
- Medium
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.78% · Oct 25, 2026
An issue was discovered in TCPDF before 6.8.0. If libcurl is used, CURLOPT_SSL_VERIFYHOST and CURLOPT_SSL_VERIFYPEER are set unsafely.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | tcpdf | sid | 6.11.2+dfsg-2 | fixed |
| Debian | tcpdf | forky | 6.11.2+dfsg-2 | fixed |
| Debian | tcpdf | trixie | 6.9.1+dfsg-1 | fixed |
| Debian | tcpdf | bookworm | 6.6.2+dfsg1-1+deb12u1 | vulnerable |
| Debian | tcpdf | bookworm-security | 6.6.2+dfsg1-1+deb12u1 | vulnerable |
| Ubuntu | tcpdf | 14.04 | 6.0.010+dfsg-1 | vulnerable |
| Ubuntu | tcpdf | 14.04 | 6.0.021+dfsg-1 | vulnerable |
| Ubuntu | tcpdf | 14.04 | 6.0.048+dfsg-1 | vulnerable |
| Ubuntu | tcpdf | 14.04 | 6.0.048+dfsg-2 | vulnerable |
| Ubuntu | tcpdf | 16.04 | 6.0.093+dfsg-1 | vulnerable |
| Ubuntu | tcpdf | 16.04 | 6.0.093+dfsg-1ubuntu1 | vulnerable |
| Ubuntu | tcpdf | 18.04 | 6.2.12+dfsg2-1ubuntu1 | vulnerable |
| Ubuntu | tcpdf | 18.04 | 6.2.13+dfsg-1 | vulnerable |
| Ubuntu | tcpdf | 18.04 | 6.2.13+dfsg-1ubuntu1 | vulnerable |
| Ubuntu | tcpdf | 20.04 | 6.2.13+dfsg-1ubuntu1 | vulnerable |
| Ubuntu | tcpdf | 20.04 | 6.3.2+dfsg1-1 | vulnerable |
| Ubuntu | tcpdf | 20.04 | 6.3.4+dfsg1-1 | vulnerable |
| Ubuntu | tcpdf | 20.04 | 6.3.5+dfsg1-1 | vulnerable |
| Ubuntu | tcpdf | 22.04 | 6.3.5+dfsg1-1 | vulnerable |
| Ubuntu | tcpdf | 22.04 | 6.4.2+dfsg1-1 | vulnerable |
| Ubuntu | tcpdf | 22.04 | 6.4.4+dfsg1-1 | vulnerable |
| Ubuntu | tcpdf | 24.04 | 6.6.2+dfsg1-1 | vulnerable |
| Ubuntu | tcpdf | 24.04 | 6.6.5+dfsg-1 | vulnerable |
| Ubuntu | tcpdf | 24.04 | 6.7.4+dfsg-1 | vulnerable |
| Ubuntu | tcpdf | 24.04 | 6.7.5+dfsg-1 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | tcpdf | source | sid | 6.8.0+dfsg-1 | not yet assigned | Not reported | [1091687] |
| Debian | tcpdf | source | forky | 6.8.0+dfsg-1 | not yet assigned | Not reported | [1091687] |
| Debian | tcpdf | source | trixie | 6.8.0+dfsg-1 | not yet assigned | Not reported | [1091687] |
| Debian | tcpdf | source | bookworm | (unfixed) | not yet assigned | Not reported | [1091687] |
Notes
[bookworm] tcpdf: Minor issue
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [php-tcpdf]Affected
Source package: [tcpdf]
Details (6)
6.6.2+dfsg1-1+deb12u1· all · bookwormAffected
dsa · tcpdf · debian · bookworm; dsa · tcpdf · debian · 12
6.6.2+dfsg1-1+deb12u1· all · bookwormAffected
dsa · tcpdf · debian · bookworm; dsa · tcpdf · debian · 12
6.9.1+dfsg-1~bpo12+1· all · bookworm-backportsAffected
dsa · tcpdf · debian · bookworm; dsa · tcpdf · debian · 12
6.9.1+dfsg-1~bpo12+1· all · bookworm-backportsAffected
dsa · tcpdf · debian · bookworm; dsa · tcpdf · debian · 12
6.6.2+dfsg1-1+deb12u1· all · bookworm-securityAffected
dsa · tcpdf · debian · bookworm; dsa · tcpdf · debian · 12
6.6.2+dfsg1-1+deb12u1· all · bookworm-securityAffected
dsa · tcpdf · debian · bookworm; dsa · tcpdf · debian · 12
[Debian 13 (Trixie)]
Observed: