CVEvulnerability
CVE-2026-15310
2.1 LOW
Official page ↗
- Status
- Awaiting Analysis
- Published
- 2026-08-25
- Last modified
- 2026-10-02
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 2.1 LOW — CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- Weaknesses
- CWE-400
Description
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.
Related
Weakness · CWE (1)
- CWE-400 Uncontrolled Resource Consumption weakness
References
- https://github.com/python/cpython/commit/09a2e7e6678b4f65449e7ad8f112c48f944591e2 github.com
- https://github.com/python/cpython/commit/1b424c0178a01e155fd0267dc28a8fc1159b33a8 github.com
- https://github.com/python/cpython/commit/31980e84b9a708424a0a1dfecde3fc991e313f89 github.com
- https://github.com/python/cpython/commit/6257029de42ef89b67f3d20137de87d43e197530 github.com
- https://github.com/python/cpython/commit/9d167992b59cf5e23c66b9ed742b13f5925f7d70 github.com
- https://github.com/python/cpython/commit/c2bfbcdd1a11690507a10bc0998f95b8dc6b6fac github.com
- https://github.com/python/cpython/commit/dcdd406ddbfc4cb29b24c3df17cbabe21d316ce1 github.com
- https://github.com/python/cpython/commit/e2311cfb3dd518f008f312fe0631f4f7490d237a github.com
- https://github.com/python/cpython/commit/f507e6946a3194e83e1d7b8ee6e14567175e46de github.com
- https://github.com/python/cpython/commit/f897dbf2f36a5935700b7c2d94d4681d2136b7d4 github.com
- https://github.com/python/cpython/issues/156002 github.com
- https://github.com/python/cpython/pull/156003 github.com
- https://mail.python.org/archives/list/[email protected]/thread/YUHXURX2WZGKGNA4ANYBQS2VZRYQ5JNK/ mail.python.org