Improper Handling of Length Parameter Inconsistency Affecting cpython package, versions [0,]
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-CONAN-CPYTHON-13539475
- published13 Oct 2025
- disclosed7 Oct 2025
- creditUnknown
Introduced: 7 Oct 2025
NewCVE-2025-8291 (opens in a new tab)How to fix?
There is no fixed version for cpython.
Overview
Affected versions of this package are vulnerable to Improper Handling of Length Parameter Inconsistency in the zipfile module when the End of Central Directory (EOCD) Locator record offset is not properly validated. An attacker can modify a crafted ZIP archive to cause incorrect file extraction or manipulation by exploiting the unchecked offset value.