ALSA-2021:4139

    Dashboard / Vulnerabilities / ALSA-2021:4139

    ALSA-2021:4139

    Published: 9 Nov 2021Last Modified: 4 Feb 2026

    Summary: Moderate: resource-agents security, bug fix, and enhancement update

    Details: The resource-agents packages provide the Pacemaker and RGManager service managers with a set of scripts. These scripts interface with several services to allow operating in a high-availability (HA) environment. Security Fix(es): * python-pygments: Infinite loop in SML lexer may lead to DoS (CVE-2021-20270) * python-pygments: ReDoS in multiple lexers (CVE-2021-27291) 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://vulners.com/cve/CVE-2021-20270, https://vulners.com/cve/CVE-2021-27291

    Affected packages

    Package

    Name: resource-agents

    Purl: pkg:rpm/almalinux/resource-agents

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.1.1-98.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-2021:4139 | CVE-DB