| Package | Affected versions | Patched versions |
|---|---|---|
| typed-ast | ≥ 1.3.0, < 1.3.2< 1.3.2 | 1.3.2 |
| typed ast | = 1.3.0= 1.3.1 |
typed_ast 1.3.0 and 1.3.1 has a handle_keywordonly_args out-of-bounds read. An attacker with the ability to cause a Python interpreter to parse Python source (but not necessarily execute it) may be able to crash the interpreter process. This could be a concern, for example, in a web-based service that parses (but does not execute) Python code. (This issue also affected certain Python 3.8.0-alpha prereleases.)
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