mediumVulnerability
GHSA-jgvr-6x5w-hx5w
### Impact Feeding a KCL program that wraps an expression in deep, unnecessary parentheses triggers the parser’s recursive `expression` -> `unnecessarily_bracketed` -> `expression` path. With enough nesting, the call stack grows until it exceeds the process stack limit, causing a stack overflow.
Properties
- ghsa_id
- GHSA-jgvr-6x5w-hx5w
- severity
- medium
- summary
- Zoo Design Studio: Recursive KCL parsing is vulnerable to denial-of-service
- cve_id
- GHSA-jgvr-6x5w-hx5w
- is_ghsa_only
- true
- ghsa_published
- 2026-08-20T18:34:05Z
- source_url
- https://github.com/advisories/GHSA-jgvr-6x5w-hx5w
- ghsa_updated
- 2026-08-20T18:34:07Z
Related Entities (6)
HAS_WEAKNESS (1)
→[Weakness]Allocation of Resources Without Limits or Throttling
REPORTED_BY (1)
→[Source]GitHub Advisory Database
VULNERABLE_TO (2)
←[Software]rust/kcl-lib
←[Software]pip/zoo-kcl
AFFECTS (2)
→[Software]rust/kcl-lib
→[Software]pip/zoo-kcl
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