QID 239883

Date Published: 2021-11-17

QID 239883: Red Hat Update for devtoolset-11-gcc (RHSA-2021:4669)

the gnu compiler collection (gcc) is a portable compiler suite with support for various programming languages, including c, c++, and fortran.
The devtoolset-11-gcc packages provide the Red Hat developer toolset version of gcc, as well as related libraries.

Security Fix(es):
  • developer environment: unicode's bidirectional (bidi) override characters can cause trojan source attacks (cve-2021-42574)

Affected Products:

  • Red Hat software collections (for rhel server) 1 for rhel 7.7 x86_64
  • Red Hat software collections (for rhel server for system z) 1 for rhel 7.7 s390x
  • Red Hat software collections (for rhel server for ibm power le) 1 for rhel 7.7 ppc64le
  • Red Hat software collections (for rhel server for ibm power) 1 for rhel 7.7 ppc64
  • Red Hat software collections (for rhel server) 1 for rhel 7 x86_64
  • Red Hat software collections (for rhel server for system z) 1 for rhel 7 s390x
  • Red Hat software collections (for rhel server for ibm power le) 1 for rhel 7 ppc64le
  • Red Hat software collections (for rhel server for ibm power) 1 for rhel 7 ppc64
  • Red Hat software collections (for rhel workstation) 1 for rhel 7 x86_64



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 Critical - 8.3 severity.
  • CVSS V2 rated as Medium - 5.1 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-2021:4669 Update to address this issue and obtain more information.

    Vendor References

    CVEs related to QID 239883

    CVE-2021-42574 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2021:4669 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2021:4669
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