SUSE-SU-2021:0999-1

    Dashboard / Vulnerabilities / SUSE-SU-2021:0999-1

    SUSE-SU-2021:0999-1

    Published: 31 Mar 2021Last Modified: 4 Feb 2026

    Summary: Security update for MozillaFirefox

    Details: This update for MozillaFirefox fixes the following issues: - Firefox was updated to 78.9.0 ESR (MFSA 2021-11, bsc#1183942) * CVE-2021-23981: Texture upload into an unbound backing buffer resulted in an out-of-bound read * CVE-2021-23982: Internal network hosts could have been probed by a malicious webpage * CVE-2021-23984: Malicious extensions could have spoofed popup information * CVE-2021-23987: Memory safety bugs

    References: https://www.suse.com/support/update/announcement/2021/suse-su-20210999-1/, https://bugzilla.suse.com/1183942, https://www.suse.com/security/cve/CVE-2021-23981, https://www.suse.com/security/cve/CVE-2021-23982, https://www.suse.com/security/cve/CVE-2021-23984, https://www.suse.com/security/cve/CVE-2021-23987

    Affected packages

    Package

    Name: MozillaFirefox

    Purl: pkg:rpm/suse/MozillaFirefox&distro=HPE%20Helion%20OpenStack%208

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -78.9.0-112.54.1

    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-2021:0999-1 | CVE-DB