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.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2025-54869US | — | — | ||
FPDI is a collection of PHP classes that facilitate reading pages from existing PDF documents and using them as templates in FPDF. In versions 2.6.2 and below, any application that… | ||||
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references
External citations — patches, advisories, analysis.
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