FPDI allows Memory Exhaustion (OOM) in PDF Parser which leads to Denial of Service
Impact
This is a significant Denial of Service (DoS) vulnerability. Any application that uses FPDI to process user-supplied PDF files is at risk. An attacker can upload a small, malicious PDF file that will cause the server-side script to crash due to memory exhaustion. Repeated attacks can lead to sustained service unavailability.
Patches
Fixed as of version 2.6.4
Workarounds
No.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Composer package | setasign/fpdi | < 2.6.4 | 2.6.4 |
References
- CVSS vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N- Weakness (CWE)
CWE-770- Platform
- Composer
- Package
setasign/fpdi- Disclosed
- 05.08.2025
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-jxhh-4648-vpp3 - CC BY 4.0
Vulnerability history: setasign/fpdi
All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 2
- First → latest
- 08.2025 05.2026
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Medium 2
Disclosures per year
- 2025: 1
- 2026: 1
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FPDI allows Memory Exhaustion (OOM) in PDF Parser which leads to Denial of Service this entry
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