CVE-2013-2099

MediumCVSS 4.3/10Last modified Jun 16, 2026

Description

Algorithmic complexity vulnerability in the ssl.match_hostname function in Python 3.2.x, 3.3.x, and earlier, and unspecified versions of python-backports-ssl_match_hostname as used for older Python versions, allows remote attackers to cause a denial of service (CPU consumption) via multiple wildcard characters in the common name in a certificate.

Metrics

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

Weakness enumeration

CWE-399

Affected software

No affected versions have been published.

Timeline

Published
Oct 9, 2013
Last modified
Jun 16, 2026
NVD status
Modified

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CVE-2013-2099: Medium severity, CVSS 4.3 | Vulnix