CVE-2026-57077: Libsyck Unbounded Newline

The libsyck lexing functions `is_newline` and `newline_len` are inherently unsafe when called with a single argument because they internally dereference the pointer and potentially the subsequent byte without verifying memory bounds. This enables out-of-bounds reads during untrusted YAML document parsing. Ensure you adopt the fully patched libsyck which intr

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greprules fetch cve-2026-57077-libsyck-unbounded-newline --engine opengrep

Description

The libsyck lexing functions `is_newline` and `newline_len` are inherently unsafe when called with a single argument because they internally dereference the pointer and potentially the subsequent byte without verifying memory bounds. This enables out-of-bounds reads during untrusted YAML document parsing. Ensure you adopt the fully patched libsyck which intr