CVE-2026-3298

ADVISORY - nist

Summary

The method "sock_recvfrom_into()" of "asyncio.ProacterEventLoop" (Windows only) was missing a boundary check for the data buffer when using nbytes parameter. This allowed for an out-of-bounds buffer write if data was larger than the buffer size. Non-Windows platforms are not affected.

EPSS Score⁠: 0.0005 (0.157)

Common Weakness Enumeration (CWE)

ADVISORY - nist

CWE-787⁠

Out-of-bounds Write

Impacted images

Advisories

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