---
cve: "CVE-2024-3859"
severity: "MEDIUM"
cvss: 5.9
epss: "67%"
vendor: "Mozilla"
kev: false
exploited: false
published: "2024-04-16 16:15:08"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-08T15:21:15+02:00"
---

# CVE-2024-3859

> 5.9 MEDIUM

## Beschreibung

On 32-bit versions there were integer-overflows that led to an out-of-bounds-read that potentially could be triggered by a malformed OpenType font. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.

## CVSS-Vektor

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

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

## Referenzen

- <https://bugzilla.mozilla.org/show_bug.cgi?id=1874489>
- <https://lists.debian.org/debian-lts-announce/2024/04/msg00012.html>
- <https://lists.debian.org/debian-lts-announce/2024/04/msg00013.html>
- <https://www.mozilla.org/security/advisories/mfsa2024-18/>
- <https://www.mozilla.org/security/advisories/mfsa2024-19/>
- <https://www.mozilla.org/security/advisories/mfsa2024-20/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2024-3859) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_