Buffer Overflow Affecting thunderbird package, versions <0:91.3.0-2.el8_4


Severity

Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0.13% (50th percentile)

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  • Snyk IDSNYK-CENTOS8-THUNDERBIRD-2824977
  • published13 May 2022
  • disclosed1 Dec 2021

Introduced: 1 Dec 2021

CVE-2021-43529  (opens in a new tab)
CWE-120  (opens in a new tab)

How to fix?

Upgrade Centos:8 thunderbird to version 0:91.3.0-2.el8_4 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 Centos. See How to fix? for Centos:8 relevant fixed versions and status.

Thunderbird versions prior to 91.3.0 are vulnerable to the heap overflow described in CVE-2021-43527 when processing S/MIME messages. Thunderbird versions 91.3.0 and later will not call the vulnerable code when processing S/MIME messages that contain certificates with DER-encoded DSA or RSA-PSS signatures.

CVSS Scores

version 3.1