Add advisory for pest_grammars

[tomtau]

Affected crate(s)

• pest_grammars (1,917 recent downloads per crates.io)

Links to upstream issue(s) or PR(s)

GHSA-7632-4q2x-hvjw
pest-parser/pest#1212

Severity

allows denial-of-service with untrusted input via stack exhaustion (if one did not set pest::set_call_limit())

Checklist

• Advisory filename(s) starts with RUSTSEC-0000-0000 as the ID
• date field is set to the public disclosure date
• Contains a concise and descriptive title after advisory metadata
• Asked maintainer(s) if publishing an advisory is appropriate

[djc]

Thanks for reporting.