Advisories » MGASA-2020-0450

Updated thunderbird packages fix security vulnerability

Publication date: 05 Dec 2020
Modification date: 05 Dec 2020
Type: security
Affected Mageia releases : 7
CVE: CVE-2020-26970

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 (CVE-2020-26970).
                

References

• https://bugs.mageia.org/show_bug.cgi?id=27707
• https://www.mozilla.org/en-US/security/advisories/mfsa2020-53/
• https://www.thunderbird.net/en-US/thunderbird/78.5.1/releasenotes/
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26970

SRPMS

7/core

• thunderbird-78.5.1-1.mga7
• thunderbird-l10n-78.5.1-1.mga7
• rootcerts-20201201.00-1.mga7