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CVEs

Every published CVE. Without a filter the list holds those exploited, with a public check, or likely to be exploited; pick a year and month or a vendor for the rest.

CVEs: Python · Race Conditions
CVEVendor · productExploitationCVSSEPSSPublished
CVE-2010-3493Multiple race conditions in smtpd.py in the smtpd module in Python 2.6, 2.7, 3.1, and 3.2 alpha allow remote attackers to cause a denial of service (daemon outage) by establishing…Python · PythonPossible–2.8%2010-10-19
CVE-2022-48566An issue was discovered in compare_digest in Lib/hmac.py in Python through 3.9.1. Constant-time-defeating optimisations were possible in the accumulator variable in hmac.compare_d…Python · PythonPossible–1.3%2023-08-22
CVE-2024-0397Memory race condition in ssl.SSLContext certificate store methodsPython Software Foundation · CPythonUnlikely7.40.8%2024-06-17
CVE-2014-2667Race condition in the _get_masked_mode function in Lib/os.py in Python 3.2 through 3.5, when exist_ok is set to true and multiple threads are used, might allow local users to bypa…Python · PythonUnlikely–0.4%2014-11-16

Exploitation: exploited (CISA KEV), a public nuclei check, then EPSS: likely 10% or more, possible 1 to 10%, unlikely under 1%. Data as of 2026-11-15.