---
cve: "CVE-2017-5432"
severity: "CRITICAL"
cvss: 9.8
epss: "66.4%"
vendor: "Generic Security"
kev: false
exploited: false
published: "2018-06-11 21:29:05"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-18T01:54:54+02:00"
---

# CVE-2017-5432

> 9.8 CRITICAL

## Beschreibung

A use-after-free vulnerability occurs during certain text input selection resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.

## CVSS-Vektor

```
CVSS:3.0/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

- <http://www.securityfocus.com/bid/97940>
- <http://www.securitytracker.com/id/1038320>
- <https://access.redhat.com/errata/RHSA-2017:1104>
- <https://access.redhat.com/errata/RHSA-2017:1106>
- <https://access.redhat.com/errata/RHSA-2017:1201>
- <https://bugzilla.mozilla.org/show_bug.cgi?id=1346654>
- <https://www.debian.org/security/2017/dsa-3831>
- <https://www.mozilla.org/security/advisories/mfsa2017-10/>
- <https://www.mozilla.org/security/advisories/mfsa2017-11/>
- <https://www.mozilla.org/security/advisories/mfsa2017-12/>
- <https://www.mozilla.org/security/advisories/mfsa2017-13/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2017-5432) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_