Homepage

Use After Free Affecting thunderbird package, versions <1:52.4.0-1~deb8u1

Severity

 Recommended
0.0
critical
0
10

Snyk's Security Team recommends NVD's CVSS assessment. Learn more

Threat Intelligence

EPSS
0.52% (78th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about Use After Free vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-DEBIAN8-THUNDERBIRD-419330
  • published11 Jun 2018
  • disclosed11 Jun 2018
Report a new vulnerability Found a mistake?

Introduced: 11 Jun 2018

CVE-2017-7793  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Debian:8 thunderbird to version 1:52.4.0-1~deb8u1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream thunderbird package and not the thunderbird package as distributed by Debian. See How to fix? for Debian:8 relevant fixed versions and status.

A use-after-free vulnerability can occur in the Fetch API when the worker or the associated window are freed when still in use, resulting in a potentially exploitable crash. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4.