SUSE-SU-2021:2774-1

    Dashboard / Vulnerabilities / SUSE-SU-2021:2774-1

    SUSE-SU-2021:2774-1

    Published: 19 Aug 2021Last Modified: 4 Feb 2026

    Summary: Security update for MozillaFirefox

    Details: This update for MozillaFirefox fixes the following issues: Firefox Extended Support Release 78.13.0 ESR (MFSA 2021-34, bsc#1188891): - CVE-2021-29986: Race condition when resolving DNS names could have led to memory corruption - CVE-2021-29988: Memory corruption as a result of incorrect style treatment - CVE-2021-29984: Incorrect instruction reordering during JIT optimization - CVE-2021-29980: Uninitialized memory in a canvas object could have led to memory corruption - CVE-2021-29985: Use-after-free media channels - CVE-2021-29989: Memory safety bugs fixed in Firefox 91 and Firefox ESR 78.13

    References: https://www.suse.com/support/update/announcement/2021/suse-su-20212774-1/, https://bugzilla.suse.com/1188891, https://www.suse.com/security/cve/CVE-2021-29980, https://www.suse.com/security/cve/CVE-2021-29984, https://www.suse.com/security/cve/CVE-2021-29985, https://www.suse.com/security/cve/CVE-2021-29986, https://www.suse.com/security/cve/CVE-2021-29988, https://www.suse.com/security/cve/CVE-2021-29989

    Affected packages

    Package

    Name: MozillaFirefox

    Purl: pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP2

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -78.13.0-8.49.1

    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-2021:2774-1 | CVE-DB