ALSA-2022:7955

    Dashboard / Vulnerabilities / ALSA-2022:7955

    ALSA-2022:7955

    Published: 15 Nov 2022Last Modified: 4 Feb 2026

    Summary: Moderate: skopeo security and bug fix update

    Details: The skopeo command lets you inspect images from container image registries, get images and image layers, and use signatures to create and verify files. Security Fix(es): * containers/storage: DoS via malicious image (CVE-2021-20291) * golang: math/big.Rat: may cause a panic or an unrecoverable fatal error if passed inputs with very large exponents (CVE-2021-33198) 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.

    References: https://access.redhat.com/errata/RHSA-2022:7955, https://access.redhat.com/security/cve/CVE-2021-20291, https://access.redhat.com/security/cve/CVE-2021-33198, https://bugzilla.redhat.com/1939485, https://bugzilla.redhat.com/1989575, https://errata.almalinux.org/9/ALSA-2022-7955.html

    Affected packages

    Package

    Name: skopeo

    Purl: pkg:rpm/almalinux/skopeo

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2:1.9.2-1.el9

    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-2022:7955 | CVE-DB