CVE-2010-3493

MediumCVSS 4.3/10Last modified Jun 16, 2026

Description

Multiple 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 and then immediately closing a TCP connection, leading to the accept function having an unexpected return value of None, an unexpected value of None for the address, or an ECONNABORTED, EAGAIN, or EWOULDBLOCK error, or the getpeername function having an ENOTCONN error, a related issue to CVE-2010-3492.

Metrics

CVSS 2.0 4.3/10AV:N/AC:M/Au:N/C:N/I:N/A:P

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Oct 19, 2010
Last modified
Jun 16, 2026
NVD status
Modified

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