setasign/fpdi · Security

FPDI allows Memory Exhaustion (OOM) in PDF Parser which leads to Denial of Service

GHSA ID
GHSA-jxhh-4648-vpp3
CVE ID
CVE-2025-54869
Severity
medium
Published
Updated
CVSS v4
6 · 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

Description

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.

CWEs

References