Out-of-bounds Read The advisory has been revoked - it doesn't affect any version of package python3-typed-ast (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIAN13-PYTHON3TYPEDAST-5693210
- published27 Nov 2019
- disclosed26 Nov 2019
Introduced: 26 Nov 2019
CVE-2019-19275 (opens in a new tab)Amendment
The Debian security team deemed this advisory irrelevant for Debian:13.
NVD Description
Note: Versions mentioned in the description apply only to the upstream python3-typed-ast package and not the python3-typed-ast package as distributed by Debian.
typed_ast 1.3.0 and 1.3.1 has an ast_for_arguments 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.)
References
- https://security-tracker.debian.org/tracker/CVE-2019-19275
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LG5H4Q6LFVRX7SFXLBEJMNQFI4T5SCEA/
- https://github.com/python/cpython/commit/a4d78362397fc3bced6ea80fbc7b5f4827aec55e
- https://github.com/python/cpython/commit/dcfcd146f8e6fc5c2fc16a4c192a0c5f5ca8c53c
- https://github.com/python/typed_ast/commit/156afcb26c198e162504a57caddfe0acd9ed7dce
- https://github.com/python/typed_ast/commit/dc317ac9cff859aa84eeabe03fb5004982545b3b
- https://bugs.python.org/issue36495
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LG5H4Q6LFVRX7SFXLBEJMNQFI4T5SCEA/