Skip to content
OpenAdvisories
High RLSA-2026:67269 1 CVE

Important: perl-YAML-Syck security update

Published Sep 15, 2026 · Updated Sep 15, 2026

Summary

This module provides a Perl interface to the libsyck data serialization library. It exports the Dump and Load functions for converting Perl data structures to YAML strings, and the other way around.

Security Fix(es):

* YAML-Syck: YAML::Syck: Denial of Service via crafted YAML document (CVE-2026-13713)

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.

Fixed packages 1

ReleasePackageFixed in
Rocky Linux · 8 perl-YAML-Syck 0:1.30-7.el8_10

Vulnerabilities 1

  • Medium 6.2

    YAML::Syck versions before 1.47 for Perl allow a use-after-free and double-free via an anchor node freed while still on the parser value stack

    YAML::Syck versions before 1.47 for Perl allow a use-after-free and double-free via an anchor node freed while still on the parser value stack. In the bundled libsyck, when an anchor name is redefined or removed, syck_hdlr_add_anchor and syck_hdlr_remove_anch…

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2501564
  • advisory
    https://access.redhat.com/errata/RHSA-2026:67269