Python Vulnerability Enables Out-of

Gbhackers •Divya • April 24, 2026

A high-severity security vulnerability has been discovered in Python’s asyncio module on Windows, potentially allowing attackers to write data beyond the boundaries of an allocated memory buffer. The flaw, tracked as CVE-2026-3298, was publicly disclosed on April 21, 2026, by Python security developer Seth Larson via the official Python security announcement mailing list. The vulnerability exists in the sock_recvfrom_into() method […]

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High-Severity Python Vulnerability Discovered in Windows Asyncio Module A critical security vulnerability has been identified in Python's asyncio implementation for Windows, specifically affecting the sock_recvfrom_into() method. This flaw, tracked as CVE-2026-3298, allows attackers to perform out-of-bounds memory writes, potentially leading to arbitrary code execution. The vulnerability was publicly disclosed on April 21, 2026, by Python security developer Seth Larson. It exclusively impacts Windows platforms, posing a significant risk to applications utilizing the asyncio module. Security professionals are urged to assess their systems for this vulnerability and implement necessary mitigations. As of now, no active exploitation has been reported, but the high severity rating indicates a pressing need for awareness and action. 2 sources 62

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Python Vulnerability Enables Out-of

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Platforms (1)