---
cve: "CVE-2024-11704"
severity: "CRITICAL"
cvss: 9.8
epss: "92%"
vendor: "Mozilla"
kev: false
exploited: false
published: "2024-11-26 14:15:19"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-11T04:20:14+02:00"
---

# CVE-2024-11704

> 9.8 CRITICAL

## Beschreibung

A double-free issue could have occurred in `sec_pkcs7_decoder_start_decrypt()` when handling an error path. Under specific conditions, the same symmetric key could have been freed twice, potentially leading to memory corruption. This vulnerability affects Firefox < 133, Thunderbird < 133, Firefox ESR < 128.7, and Thunderbird < 128.7.

## CVSS-Vektor

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

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

## Referenzen

- <https://bugzilla.mozilla.org/show_bug.cgi?id=1899402>
- <https://www.mozilla.org/security/advisories/mfsa2024-63/>
- <https://www.mozilla.org/security/advisories/mfsa2024-67/>
- <https://www.mozilla.org/security/advisories/mfsa2025-09/>
- <https://www.mozilla.org/security/advisories/mfsa2025-10/>
- <https://lists.debian.org/debian-lts-announce/2025/02/msg00005.html>
- <https://lists.debian.org/debian-lts-announce/2025/02/msg00006.html>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2024-11704) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_