openSUSE-SU-2021:0636-1

    Dashboard / Vulnerabilities / openSUSE-SU-2021:0636-1

    openSUSE-SU-2021:0636-1

    Published: 30 Apr 2021Last Modified: 4 Feb 2026

    Summary: Security update for samba

    Details: This update for samba fixes the following issues: - CVE-2021-20277: Fixed an out of bounds read in ldb_handler_fold (bsc#1183574). - CVE-2021-20254: Fixed a buffer overrun in sids_to_unixids() (bsc#1184677). - CVE-2020-27840: Fixed an unauthenticated remote heap corruption via bad DNs (bsc#1183572). - Avoid free'ing our own pointer in memcache when memcache_trim attempts to reduce cache size (bsc#1179156). - s3-libads: use dns name to open a ldap session (bsc#1184310). - Adjust smbcacls '--propagate-inheritance' feature to align with upstream (bsc#1178469). This update was imported from the SUSE:SLE-15-SP2:Update update project.

    References: https://lists.opensuse.org/archives/list/[email protected]/thread/PJGQFNCBDL3CAZODHIFOKKWU3XGKLEKA/, https://bugzilla.suse.com/1178469, https://bugzilla.suse.com/1179156, https://bugzilla.suse.com/1183572, https://bugzilla.suse.com/1183574, https://bugzilla.suse.com/1184310, https://bugzilla.suse.com/1184677, https://www.suse.com/security/cve/CVE-2020-27840, https://www.suse.com/security/cve/CVE-2021-20254, https://www.suse.com/security/cve/CVE-2021-20277

    Affected packages

    Package

    Name: samba

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.11.14+git.247.8c858f7ee14-lp152.3.19.1

    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-2021:0636-1 | CVE-DB