QID 239843

Date Published: 2021-11-10

QID 239843: Red Hat Update for json-c (RHSA-2021:4382)

json-c implements a reference counting object model that allows users to easily construct javascript object notation (json) objects in c, output them as json formatted strings, and parse json formatted strings back into the c representation of json objects.

Security Fix(es):
  • json-c: integer overflow and out-of-bounds write via a large json file (cve-2020-12762)

Affected Products:

  • Red Hat enterprise linux for x86_64 8 x86_64
  • Red Hat enterprise linux for ibm z systems 8 s390x
  • Red Hat enterprise linux for power, little endian 8 ppc64le
  • Red Hat enterprise linux for arm 64 8 aarch64
  • Red Hat codeready linux builder for x86_64 8 x86_64
  • Red Hat codeready linux builder for power, little endian 8 ppc64le
  • Red Hat codeready linux builder for arm 64 8 aarch64
  • Red Hat codeready linux builder for ibm z systems 8 s390x



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 - 7.8 severity.
  • CVSS V2 rated as High - 6.8 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-2021:4382 Update to address this issue and obtain more information.

    Vendor References

    CVEs related to QID 239843

    CVE-2020-12762 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2021:4382 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2021:4382
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