CVE-2019-19274
High
Description
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.)
SeverityHigh
CVSS7.5
Exploit probability—
Product
Python Typed Ast
PublishedNov 26, 2019
First seenNov 26, 2019
How to fix
Update
- typed-ast1.3.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| python typed_ast | 1.3.0, 1.3.1 | — |
| typed-astPyPI | 1.3.0 ≤ v < 1.3.2, v < 1.3.2 | 1.3.2 |
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