---
cve: "CVE-2017-7749"
severity: "LOW"
cvss: 3.1
epss: "2.6%"
vendor: "Mozilla"
kev: false
exploited: false
published: "2018-06-11 21:29:07"
tags: [cve, security, low]
source: tsecurity.de CVE-Dossier
exported: "2026-09-08T16:03:55+02:00"
---

# CVE-2017-7749

> 3.1 LOW

## Beschreibung

A use-after-free vulnerability when using an incorrect URL during the reloading of a docshell. This results in a potentially exploitable crash. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2.

## Referenzen

- <https://bugzilla.mozilla.org/show_bug.cgi?id=1355039>
- <http://www.securityfocus.com/bid/99057>
- <https://www.mozilla.org/security/advisories/mfsa2017-15/>
- <https://www.debian.org/security/2017/dsa-3918>
- <http://www.securitytracker.com/id/1038689>
- <https://www.debian.org/security/2017/dsa-3881>
- <https://access.redhat.com/errata/RHSA-2017:1440>
- <https://access.redhat.com/errata/RHSA-2017:1561>
- <https://www.mozilla.org/security/advisories/mfsa2017-17/>
- <https://www.mozilla.org/security/advisories/mfsa2017-16/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2017-7749) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_