CVE-2017-7749

9.8 CRITICAL

Published: June 11, 2018 Modified: November 25, 2025

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://www.securityfocus.com/bid/99057

Source: security@mozilla.org

Third Party Advisory VDB Entry

http://www.securitytracker.com/id/1038689

Source: security@mozilla.org

Third Party Advisory VDB Entry

https://access.redhat.com/errata/RHSA-2017:1440

Source: security@mozilla.org

Third Party Advisory

https://access.redhat.com/errata/RHSA-2017:1561

Source: security@mozilla.org

Third Party Advisory

https://bugzilla.mozilla.org/show_bug.cgi?id=1355039

Source: security@mozilla.org

Issue Tracking Patch Vendor Advisory

https://www.debian.org/security/2017/dsa-3881

Source: security@mozilla.org

Third Party Advisory

https://www.debian.org/security/2017/dsa-3918

Source: security@mozilla.org

Third Party Advisory

https://www.mozilla.org/security/advisories/mfsa2017-15/

Source: security@mozilla.org

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2017-16/

Source: security@mozilla.org

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2017-17/

Source: security@mozilla.org

Vendor Advisory

http://www.securityfocus.com/bid/99057