vulnerability

MFSA2017-17 Thunderbird: Security vulnerabilities fixed in Thunderbird 52.2 (CVE-2017-7756)

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
Jun 14, 2017
Added
Jun 15, 2017
Modified
Mar 27, 2026

Description

A use-after-free and use-after-scope vulnerability when logging errors from headers for XML HTTP Requests (XHR). This could result in a potentially exploitable crash. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2.

Solution

mozilla-thunderbird-upgrade-52_2
Title
Rapid7 Labs

2026 Global Threat Landscape Report

The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.