CVE-2026-15310
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.
Scoring
- Severity
- LOW
- CVSS base score
- 2.1
- CVSS vector
- 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
- EPSS probability
- 0.35%
- CWE
- CWE-400
- Published
- 2026-08-25
- Last modified
- 2026-09-17
Affected products
- Python Software Foundation CPython
Weakness type
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