---
cve: "CVE-2024-4769"
severity: "MEDIUM"
cvss: 5.9
epss: "37%"
vendor: "Mozilla"
kev: false
exploited: false
published: "2024-05-14 18:15:14"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-08T16:05:02+02:00"
---

# CVE-2024-4769

> 5.9 MEDIUM

## Beschreibung

When importing resources using Web Workers, error messages would distinguish the difference between `application/javascript` responses and non-script responses.  This could have been abused to learn information cross-origin. 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:H/I:N/A:N
```

| 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 | Hoch | bad |
| I Integrität | Keine | good |
| A Verfügbarkeit | Keine | good |

## Referenzen

- <https://bugzilla.mozilla.org/show_bug.cgi?id=1886108>
- <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>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2024-4769) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_