openSUSE-SU-2021:0644-1

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    openSUSE-SU-2021:0644-1

    Published: 1 May 2021Last Modified: 4 Feb 2026

    Summary: Security update for MozillaThunderbird

    Details: This update for MozillaThunderbird fixes the following issues: - Firefox was updated to 78.10.0 ESR (bsc#1184960) * CVE-2021-23994: Out of bound write due to lazy initialization * CVE-2021-23995: Use-after-free in Responsive Design Mode * CVE-2021-23998: Secure Lock icon could have been spoofed * CVE-2021-23961: More internal network hosts could have been probed by a malicious webpage * CVE-2021-23999: Blob URLs may have been granted additional privileges * CVE-2021-24002: Arbitrary FTP command execution on FTP servers using an encoded URL * CVE-2021-29945: Incorrect size computation in WebAssembly JIT could lead to null-reads * CVE-2021-29946: Port blocking could be bypassed * CVE-2021-29948: Race condition when reading from disk while verifying signatures This update was imported from the SUSE:SLE-15-SP2:Update update project.

    Affected packages

    Package

    Name: MozillaThunderbird

    Purl: pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Leap%2015.2

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -78.10.0-lp152.2.41.1

    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
    openSUSE-SU-2021:0644-1 | CVE-DB