Stack-based Buffer Overflow Affecting thunderbird package, versions <0:60.7.2-2.el7_6


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

Exploit Maturity
Mature
EPSS
19.55% (97th percentile)

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  • Snyk IDSNYK-RHEL7-THUNDERBIRD-4887867
  • published26 Jul 2021
  • disclosed13 Jun 2019

Introduced: 13 Jun 2019

CVE-2019-11705  (opens in a new tab)
CWE-121  (opens in a new tab)

How to fix?

Upgrade RHEL:7 thunderbird to version 0:60.7.2-2.el7_6 or higher.
This issue was patched in RHSA-2019:1626.

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 flaw in Thunderbird's implementation of iCal causes a stack buffer overflow in icalrecur_add_bydayrules when processing certain email messages, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.7.1.

CVSS Scores

version 3.1