CVE-2026-45802

MEDIUM

FPDI: Memory Exhaustion and Endless Loop in FPDI leads to Denial of Service

Title source: cna
STIX 2.1

Description

FPDI is a collection of PHP classes that facilitate reading pages from existing PDF documents and using them as templates in FPDF. Prior to version 2.6.7, an attacker can upload a small, malicious PDF file that will cause the server-side script to crash due to memory exhaustion or a script time-out. Repeated attacks can lead to sustained service unavailability. This issue has been patched in version 2.6.7.

References (3)

Core 3

Scores

CVSS v4 6.0
EPSS 0.0026
EPSS Percentile 17.0%
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-400 CWE-770
Status published
Products (2)
setasign/fpdi 0 - 2.6.7Packagist
Setasign/FPDI < 2.6.7
Published Jun 11, 2026
Tracked Since Jun 12, 2026