When decompressing crafted zip files using the bzip/LZMA/Zstandard compressions, Python could use an attacker-controlled size to pre-allocate memory, possibly resulting in memory exhaustion.
Info
Summary
When decompressing crafted zip files using the bzip/LZMA/Zstandard compressions, Python could use an attacker-controlled size to pre-allocate memory, possibly resulting in memory exhaustion.
In-depth triage
No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).
Sources
- NVD DATABASE
Original Links
- https://github.com/python/cpython/commit/1b424c0178a01e155fd0267dc28a8fc1159b33a8
- https://github.com/python/cpython/commit/31980e84b9a708424a0a1dfecde3fc991e313f89
- https://github.com/python/cpython/commit/e2311cfb3dd518f008f312fe0631f4f7490d237a
- https://github.com/python/cpython/commit/f507e6946a3194e83e1d7b8ee6e14567175e46de
- https://github.com/python/cpython/commit/f897dbf2f36a5935700b7c2d94d4681d2136b7d4
- https://github.com/python/cpython/issues/156002
- https://github.com/python/cpython/pull/156003
- https://mail.python.org/archives/list/security-announce@python.org/thread/YUHXURX2WZGKGNA4ANYBQS2VZRYQ5JNK/
Timeline
- nvd_ingest NVD