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

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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
05/25/2023

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

References

  • CVE-2020-26970

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