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ProductCVEsExploitedLatest
YAML::Syck7–Jul 16, 2026

Exploited and recent CVEs

  • CVE-2026-57077 High 7.7 YAML::Syck versions before 1.47 for Perl allow an out-of-bounds read via an unbounded newline scan in newline_len 0.2%
  • CVE-2026-57076 High 7.8 YAML::Syck versions before 1.47 for Perl allow a heap use-after-free via an anchor name reused as an anchors-table key in syck_hdlr_add_anchor 0.2%
  • CVE-2026-57075 Critical 9.1 YAML::Syck versions before 1.47 for Perl allow an out-of-bounds read via a signed-char lookup-table index in syck_base64dec 0.6%
  • CVE-2026-13713 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 0.2%
  • CVE-2026-5089 High 7.3 YAML::Syck versions before 1.38 for Perl has an out-of-bounds read 0.4%
  • CVE-2026-4177 Critical 9.1 YAML::Syck versions through 1.36 for Perl has several potential security vulnerabilities including a high-severity heap buffer overflow in the YAML emitter 0.5%
  • CVE-2025-11683 Medium 6.5 YAML::Syck versions before 1.36 for Perl has missing Null-Terminators which causes Out-of-Bounds Read and potential Information Disclosure 0.3%