---
cve: "CVE-2024-4367"
severity: "MEDIUM"
cvss: 5.6
epss: "72.7%"
vendor: "Mozilla"
kev: false
exploited: false
published: "2024-05-14 18:15:12"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-08T13:17:20+02:00"
---

# CVE-2024-4367

> 5.6 MEDIUM

## Beschreibung

A type check was missing when handling fonts in PDF.js, which would allow arbitrary JavaScript execution in the PDF.js context. This vulnerability affects Firefox < 126, Firefox ESR < 115.11, and Thunderbird < 115.11.

## CVSS-Vektor

```
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Hoch | good |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Gering | warn |
| I Integrität | Gering | warn |
| A Verfügbarkeit | Gering | warn |

## Exploit-Evidenz

- [EDB-52273 — Firefox ESR 115.11 - PDF.js Arbitrary JavaScript execution](https://www.exploit-db.com/exploits/52273)

## Patch verfügbar (OSV)

- 49b388101a53f1ff81390fab8336d02acf06a582 (Commit)

## Referenzen

- <https://bugzilla.mozilla.org/show_bug.cgi?id=1893645>
- <https://www.mozilla.org/security/advisories/mfsa2024-21/>
- <https://www.mozilla.org/security/advisories/mfsa2024-22/>
- <https://www.mozilla.org/security/advisories/mfsa2024-23/>
- <https://lists.debian.org/debian-lts-announce/2024/05/msg00010.html>
- <https://lists.debian.org/debian-lts-announce/2024/05/msg00012.html>
- <http://seclists.org/fulldisclosure/2024/Aug/30>
- <https://codeanlabs.com/blog/research/cve-2024-4367-arbitrary-js-execution-in-pdf-js/>
- <https://github.com/gogs/gogs/issues/7928>
- <https://github.com/mozilla/pdf.js/releases/tag/v4.2.67>
- <https://www.exploit-db.com/exploits/52273>
- <https://cert-portal.siemens.com/productcert/html/ssa-827383.html>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2024-4367) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_