Rapid7 Vulnerability & Exploit Database

Centos Linux: CVE-2020-26970: Important: thunderbird security update (Multiple Advisories)

Back to Search

Centos Linux: CVE-2020-26970: Important: thunderbird security update (Multiple Advisories)

Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:C)
Published
12/09/2020
Created
12/16/2020
Added
12/15/2020
Modified
03/03/2021

Description

When reading SMTP server status codes, Thunderbird writes an integer value to a position on the stack that is intended to contain just one byte. Depending on processor architecture and stack layout, this leads to stack corruption that may be exploitable. This vulnerability affects Thunderbird < 78.5.1.

Solution(s)

  • centos-upgrade-thunderbird
  • centos-upgrade-thunderbird-debuginfo
  • centos-upgrade-thunderbird-debugsource

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;