ALSA-2021:4358

    Dashboard / Vulnerabilities / ALSA-2021:4358

    ALSA-2021:4358

    Published: 9 Nov 2021Last Modified: 4 Feb 2026

    Summary: Moderate: glibc security, bug fix, and enhancement update

    Details: The glibc packages provide the standard C libraries (libc), POSIX thread libraries (libpthread), standard math libraries (libm), and the name service cache daemon (nscd) used by multiple programs on the system. Without these libraries, the Linux system cannot function correctly. Security Fix(es): * glibc: Arbitrary read in wordexp() (CVE-2021-35942) * glibc: Use-after-free in addgetnetgrentX function in netgroupcache.c (CVE-2021-27645) * glibc: mq_notify does not handle separately allocated thread attributes (CVE-2021-33574) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

    Affected packages

    Package

    Name: compat-libpthread-nonshared

    Purl: pkg:rpm/almalinux/compat-libpthread-nonshared

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.28-164.el8

    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
    ALSA-2021:4358 | CVE-DB