Not rated
CVE-2017-7749 A use-after-free vulnerability when using an incorrect URL during the reloading of a docshell
Description
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox 54 | earliest → < 54 | 54 |
| Firefox ESR 52.2 | earliest → < 52.2 | 52.2 |
| Thunderbird 52.2 | earliest → < 52.2 | 52.2 |
References
- bugzilla.mozilla.org bugzilla.mozilla.org
- 99057 www.securityfocus.com
- www.mozilla.org www.mozilla.org
- DSA-3918 www.debian.org
- 1038689 www.securitytracker.com
- DSA-3881 www.debian.org
- RHSA-2017:1440 access.redhat.com
- RHSA-2017:1561 access.redhat.com
- www.mozilla.org www.mozilla.org
- www.mozilla.org www.mozilla.org
Timeline
- Published
- Last modified
Other CVEs of Firefox
The 2221 CVEs of Firefox →
CVE-2026-120572
Incorrect boundary conditions in the Layout: Block and Inline component
8.8
High
CVE-2026-118027
Frame poisoning in the Layout component
9.1
Critical
CVE-2026-118026
Invalid pointer in the JavaScript: GC component
8.8
High
CVE-2026-118024
Use-after-free in the Graphics: Text component
8.8
High