Use After Free Affecting thunderbird package, versions <0:31.8.0-1.el7_1


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
4.36% (93rd percentile)

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  • Snyk IDSNYK-RHEL7-THUNDERBIRD-4554584
  • published26 Jul 2021
  • disclosed2 Jul 2015

Introduced: 2 Jul 2015

CVE-2015-2731  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade RHEL:7 thunderbird to version 0:31.8.0-1.el7_1 or higher.
This issue was patched in RHSA-2015:1455.

NVD Description

Note: Versions mentioned in the description apply only to the upstream thunderbird package and not the thunderbird package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

Use-after-free vulnerability in the CSPService::ShouldLoad function in the microtask implementation in Mozilla Firefox before 39.0, Firefox ESR 38.x before 38.1, and Thunderbird before 38.1 allows remote attackers to execute arbitrary code by leveraging client-side JavaScript that triggers removal of a DOM object on the basis of a Content Policy.

CVSS Scores

version 3.1