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PDF CVE-2024-4367 PDF.js FontMatrix RCE PoC

🗓️ 10 Jul 2026 11:31:42Reported by KittySploitType 
kittysploit
 kittysploit
🔗 kittysploit.com👁 1 Views

Unsanitized Type1 FontMatrix in PDF.js enables arbitrary JavaScript execution.

Related
Refs
Code
#!/usr/bin/env python3
# -*- coding: utf-8 -*-

from kittysploit import *
from lib.pdf.mixins import PdfCveMixin
from lib.pdf.generators.viewer_cve import write_pdfjs_fontmatrix


class Module(Auxiliary, PdfCveMixin):
    __info__ = {
        "name": 'PDF CVE-2024-4367 PDF.js FontMatrix RCE PoC',
        "description": 'Generate PDF PoC for CVE-2024-4367: arbitrary JavaScript via unsanitized Type1 FontMatrix in PDF.js (fetch callback for validation).',
        "author": ["KittySploit Team"],
        "cve": ['CVE-2024-4367'],
        "references": ['https://codeanlabs.com/2024/05/cve-2024-4367-arbitrary-js-execution-in-pdf-js/'],
        "tags": ['pdf', 'cve-2024-4367', 'pdfjs', 'firefox', 'javascript'],
    }

    PDF_GENERATORS = (
        write_pdfjs_fontmatrix,
    )

    CVE_IDS = ['CVE-2024-4367']
    MODULE_TITLE = 'PDF CVE-2024-4367 PDF.js FontMatrix RCE PoC'

    def run(self):
        return self.run_pdf_cve()

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10 Jul 2026 11:31Current
8High risk
Vulners AI Score8
CVSS 3.15.6 - 8.8
EPSS0.7066
SSVC
1