RLSA-2021:2264

    Dashboard / Vulnerabilities / RLSA-2021:2264

    RLSA-2021:2264

    Published: 7 Jun 2021Last Modified: 5 Feb 2026

    Summary: Important: thunderbird security update

    Details: Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 78.11.0. Security Fix(es): * Mozilla: Memory safety bugs fixed in Firefox 89 and Firefox ESR 78.11 (CVE-2021-29967) * Mozilla: Thunderbird stored OpenPGP secret keys without master password protection (CVE-2021-29956) * Mozilla: Partial protection of inline OpenPGP message not indicated (CVE-2021-29957) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

    References: https://errata.rockylinux.org/RLSA-2021:2264, https://bugzilla.redhat.com/show_bug.cgi?id=1961503, https://bugzilla.redhat.com/show_bug.cgi?id=1961504, https://bugzilla.redhat.com/show_bug.cgi?id=1966831

    Affected packages

    Package

    Name: thunderbird

    Purl: pkg:rpm/rocky-linux/thunderbird?distro=rocky-linux-8-4-legacy&epoch=0

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0:78.11.0-1.el8_4

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    RLSA-2021:2264 | CVE-DB