ALSA-2021:4903

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    ALSA-2021:4903

    Published: 1 Dec 2021Last Modified: 4 Feb 2026

    Summary: Critical: nss security update

    Details: Network Security Services (NSS) is a set of libraries designed to support the cross-platform development of security-enabled client and server applications. Security Fix(es): * nss: Memory corruption in decodeECorDsaSignature with DSA signatures (and RSA-PSS) (CVE-2021-43527) 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.

    References: https://errata.almalinux.org/8/ALSA-2021-4903.html, https://vulners.com/cve/CVE-2021-43527

    Affected packages

    Package

    Name: nss

    Purl: pkg:rpm/almalinux/nss

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.67.0-7.el8_5

    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-2021:4903 | CVE-DB