Out-of-Bounds Affecting thunderbird package, versions <0:60.6.1-1.el7_6


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.6% (80th percentile)

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  • Snyk IDSNYK-RHEL7-THUNDERBIRD-4850488
  • published26 Jul 2021
  • disclosed20 Mar 2019

Introduced: 20 Mar 2019

CVE-2019-9793  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade RHEL:7 thunderbird to version 0:60.6.1-1.el7_6 or higher.
This issue was patched in RHSA-2019:0681.

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.

A mechanism was discovered that removes some bounds checking for string, array, or typed array accesses if Spectre mitigations have been disabled. This vulnerability could allow an attacker to create an arbitrary value in compiled JavaScript, for which the range analysis will infer a fully controlled, incorrect range in circumstances where users have explicitly disabled Spectre mitigations. Note: Spectre mitigations are currently enabled for all users by default settings.. This vulnerability affects Thunderbird < 60.6, Firefox ESR < 60.6, and Firefox < 66.