Intel

AIKIDO-2026-10037

smalot/pdfparser is vulnerable to Denial of Service (DoS)

Denial of Service (DoS) Pre-CVE
Found by Aikido Intel before public disclosure or CVE publication.
Published Jan 14, 2026

30

Low Risk

This Affects:

PHPsmalot/pdfparser
0.0.1 - 2.12.2
Fixed in 2.12.3
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TL;DR

Affected versions of this package are vulnerable to a denial of service condition where parsing a specially crafted, malformed PDF file can trigger an endless loop in RawDataParser.php, leading to uncontrolled memory allocation, memory exhaustion, and a fatal crash of the PHP process.

Who does this affect?

You are affected if you are using a version that falls within the vulnerable range.

Background info

smalot/pdfparser is vulnerable to Denial of Service (DoS) in versions 0.0.1 - 2.12.2.

How to fix this

Upgrade the smalot/pdfparser library to the patch version.

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