RHSA-2026:93471 — Security Advisory

An update for the perl-YAML:1.24 module is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Important. 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.

he perl-YAML package provides the pure-Perl implementation of the YAML (YAML Ain't Markup Language) data serialization standard. It allows developers to serialize Perl data structures into formatted YAML text and deserialize YAML data back into native Perl structures, making it widely used for configuration files, data exchange, and human-readable data storage in Perl applications.

Security Fix(es):

• perl-yaml: perl-yaml: Arbitrary code execution via unrestricted package variable assignment (CVE-2019-25777)

• perl-yaml: perl-yaml: Arbitrary destructor method execution via crafted YAML document (CVE-2017-20285)

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