QID 239798

Date Published: 2021-11-10

QID 239798: Red Hat Update for resource-agents security (RHSA-2021:4139)

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)

Affected Products:

  • Red Hat enterprise linux high availability for x86_64 8 x86_64
  • Red Hat enterprise linux resilient storage for x86_64 8 x86_64
  • Red Hat enterprise linux resilient storage for ibm z systems 8 s390x
  • Red Hat enterprise linux high availability for ibm z systems 8 s390x
  • Red Hat enterprise linux resilient storage for power, little endian 8 ppc64le
  • Red Hat enterprise linux high availability for power, little endian 8 ppc64le
  • Red Hat enterprise linux high availability for arm 64 8 aarch64



Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

On successful exploitation, it could allow an attacker to execute code.

  • CVSS V3 rated as High - 7.5 severity.
  • CVSS V2 rated as Medium - 5 severity.
    • Solution
    Upgrade to the latest packages which contain a patch.

    Refer to Refer to :
    Applying Package Updates to RHEL system     for details.

    Refer to Red Hat security advisory RHSA-2021:4139 Update to address this issue and obtain more information.

    Vendor References

    CVEs related to QID 239798

    CVE-2021-20270 | CVE-2021-27291 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2021:4139 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2021:4139
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