SUSE-SU-2021:0245-1

    Dashboard / Vulnerabilities / SUSE-SU-2021:0245-1

    SUSE-SU-2021:0245-1

    Published: 29 Jan 2021Last Modified: 4 Feb 2026

    Summary: Security update for MozillaThunderbird

    Details: This update for MozillaThunderbird fixes the following issues: - Mozilla Thunderbird was updated to 78.7.0 ESR (MFSA 2021-05, bsc#1181414) * CVE-2021-23953: Fixed a Cross-origin information leakage via redirected PDF requests * CVE-2021-23954: Fixed a type confusion when using logical assignment operators in JavaScript switch statements * CVE-2020-26976: Fixed an issue where HTTPS pages could have been intercepted by a registered service worker when they should not have been * CVE-2021-23960: Fixed a use-after-poison for incorrectly redeclared JavaScript variables during GC * CVE-2021-23964: Fixed Memory safety bugs * CVE-2020-15685: Fixed an IMAP Response Injection when using STARTTLS

    References: https://www.suse.com/support/update/announcement/2021/suse-su-20210245-1/, https://bugzilla.suse.com/1181414, https://www.suse.com/security/cve/CVE-2020-15685, https://www.suse.com/security/cve/CVE-2020-26976, https://www.suse.com/security/cve/CVE-2021-23953, https://www.suse.com/security/cve/CVE-2021-23954, https://www.suse.com/security/cve/CVE-2021-23960, https://www.suse.com/security/cve/CVE-2021-23964

    Affected packages

    Package

    Name: MozillaThunderbird

    Purl: pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP1

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -78.7.0-3.119.1

    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-2021:0245-1 | CVE-DB