CVE-2026-57077

A flaw was found in YAML::Syck. An out-of-bounds read vulnerability exists due to an unbounded newline scan during block-scalar lexing. A remote attacker could exploit this by providing a specially crafted YAML document, leading to potential information disclosure. This issue is an incomplete fix...

CVE-2026-57077 YAML::Syck versions before 1.47 for Perl allow an out-of-bounds read via an unbounded newline scan in newline_len

YAML::Syck versions before 1.47 for Perl allow an out-of-bounds read via an unbounded newline scan in newlinelen. In the bundled libsyck newlinelen and isnewline dereference the scan pointer, and the following byte for a "\r\n" pair, with no NUL-terminator or bounds check. During block-scalar...