CVE-2026-57075

A flaw was found in YAML::Syck. An out-of-bounds read vulnerability exists in the base64 decoder, specifically in the syckbase64dec function. This occurs because the decoder uses a signed character to index a lookup table, allowing specially crafted !!binary YAML nodes with high-bit bytes to caus...

js-yaml: js-yaml: Denial of Service via quadratic CPU time parsing with merge keys

A flaw was found in js-yaml, a JavaScript YAML parser and dumper. When merge keys are enabled, a remote attacker could exploit this vulnerability by crafting a YAML document where a chain of mappings uses merge keys, each merging the previous one. This can lead to a significant increase in CPU ti...