Oniguruma is a regular expressions library that supports a variety of character encodings. Security Fix: * oniguruma: NULL pointer dereference in match_at in regexec.c For more details about the security issue, including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page listed in the References section. Additional Changes: For detailed information on changes in this release, see the CentOS 8.3 Release Notes linked from the References section.