SUSE-SU-2021:2458-1

    Dashboard / Vulnerabilities / SUSE-SU-2021:2458-1

    SUSE-SU-2021:2458-1

    Published: 22 Jul 2021Last Modified: 4 Feb 2026

    Summary: Security update for MozillaThunderbird

    Details: This update for MozillaThunderbird fixes the following issues: Mozilla Thunderbird 78.12 * fixed: Sending an email containing HTML links with spaces in the URL sometimes resulted in broken links * fixed: Folder Pane display theme fixes for macOS * fixed: Chat account settings did not always save as expected * fixed: RSS feed subscriptions sometimes lost * fixed: Calendar: A parsing error for alarm triggers of type 'DURATION' caused sync problems for some users * fixed: Various security fixes MFSA 2021-30 (bsc#1188275) * CVE-2021-29969: IMAP server responses sent by a MITM prior to STARTTLS could be processed * CVE-2021-29970: Use-after-free in accessibility features of a document * CVE-2021-30547: Out of bounds write in ANGLE * CVE-2021-29976: Memory safety bugs fixed in Thunderbird 78.12

    References: https://www.suse.com/support/update/announcement/2021/suse-su-20212458-1/, https://bugzilla.suse.com/1188275, https://www.suse.com/security/cve/CVE-2021-29969, https://www.suse.com/security/cve/CVE-2021-29970, https://www.suse.com/security/cve/CVE-2021-29976, https://www.suse.com/security/cve/CVE-2021-30547

    Affected packages

    Package

    Name: MozillaThunderbird

    Purl: pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP2

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -78.12.0-8.33.1

    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
    SUSE-SU-2021:2458-1 | CVE-DB