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    Mageia 2020-0450: thunderbird security update

    Date 05 Dec 2020
    860
    Posted By LinuxSecurity Advisories
    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).
    MGASA-2020-0450 - Updated thunderbird packages fix security vulnerability
    
    Publication date: 05 Dec 2020
    URL: https://advisories.mageia.org/MGASA-2020-0450.html
    Type: security
    Affected Mageia releases: 7
    CVE: CVE-2020-26970
    
    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
    - 7/core/thunderbird-l10n-78.5.1-1.mga7
    - 7/core/rootcerts-20201201.00-1.mga7
    

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