RHSA-2022:8850 - Security Advisory

Topic

An update for python-ujson is now available for Red Hat OpenStack Platform
16.2.4 (Train) for Red Hat Enterprise Linux (RHEL) 8.4.

Red Hat Product Security has rated this update as having a security impact
of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.

Description

UltraJSON is an ultra fast JSON encoder and decoder

Security Fix(es):

• improper decoding of escaped surrogate characters may lead to string

corruption key confusion or value overwriting (CVE-2022-31116)

• Potential double free of buffer during string decoding (CVE-2022-31117)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page listed in the References section.

Solution

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat OpenStack for IBM Power 16.2 ppc64le
• Red Hat OpenStack 16.2 x86_64
• Red Hat Enterprise Linux for x86_64 8 x86_64

Fixes

• BZ - 2104739 - CVE-2022-31117 python-ujson: Potential double free of buffer during string decoding
• BZ - 2104740 - CVE-2022-31116 python-ujson: improper decoding of escaped surrogate characters may lead to string corruption, key confusion or value overwriting

CVEs

• CVE-2022-31116
• CVE-2022-31117

References

• https://access.redhat.com/security/updates/classification/#moderate