RLSA-2021:3499

    Dashboard / Vulnerabilities / RLSA-2021:3499

    RLSA-2021:3499

    Published: 13 Sept 2021Last Modified: 5 Feb 2026
    Upstream:
    CVE-2021-38493

    Summary: Important: thunderbird security update

    Details: Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 78.14.0. Security Fix(es): * Mozilla: Memory safety bugs fixed in Firefox 92, Firefox ESR 78.14 and Firefox ESR 91.1 (CVE-2021-38493) 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-2021:3499, https://bugzilla.redhat.com/show_bug.cgi?id=2002119

    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 -0:78.14.0-1.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-2021:3499 | CVE-DB