Unscored severity · published Oct 19, 2010
CVE-2010-3493
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…
–
CVSS
2.8%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)2.8% · higher than 86% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PY
Python · Python
3.1; 3.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2010-3493
CVE.org
https://www.cve.org/CVERecord?id=CVE-2010-3493
Patch
http://bugs.python.org/issue6706
Patch
http://bugs.python.org/issue9129
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00006.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html
secunia.com
http://secunia.com/advisories/43068
secunia.com
http://secunia.com/advisories/50858
More from Python
9.8
CVE-2022-48565
An XML External Entity (XXE) issue was discovered in Python through 3.9.1
9.8
CVE-2022-37454
The Keccak XKCP SHA-3 reference implementation before fdc6fef has an integer overflow and resultant buffer overflow that allows attackers to execute arbitrary code or eliminate…
9.8
CVE-2021-29921
In Python before 3,9,5, the ipaddress library mishandles leading zero characters in the octets of an IP address string
9.8
CVE-2021-3177
Python 3.x through 3.9.1 has a buffer overflow in PyCArg_repr in _ctypes/callproc.c, which may lead to remote code execution in certain Python applications that accept…
9.8
CVE-2020-27619
In Python 3 through 3.9.0, the Lib/test/multibytecodec_support.py CJK codec tests call eval() on content retrieved via HTTP