YAML-Syck: YAML::Syck: Denial of Service via crafted YAML document

A flaw was found in YAML::Syck. This vulnerability allows a remote attacker to cause a denial of service DoS by providing a specially crafted YAML document. The flaw occurs due to a use-after-free and double-free condition when an anchor node is redefined while still on the parser's value stack,...

Updated perl-YAML-Syck packages fix security vulnerabilities

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 an out-of-bounds read via a signed-char lookup-table index in syckbase64dec YAML::Syck versions before 1.47...

CVE-2026-13713: Use After Free

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, syckhdlraddanchor and syckhdlrremoveanchor free the node stored under that name with...