{"id":"CVE-2013-2099","state":"PUBLISHED","title":"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","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.","publishedAt":"2013-10-09T14:44:00.000Z","updatedAt":"2024-08-06T15:27:40.693Z","severity":null,"assigner":"redhat","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://bugzilla.redhat.com/show_bug.cgi?id=963260","http://www.ubuntu.com/usn/USN-1984-1","http://secunia.com/advisories/55116","https://access.redhat.com/errata/RHSA-2016:1166","http://www.ubuntu.com/usn/USN-1985-1","http://bugs.python.org/issue17980","http://secunia.com/advisories/55107","http://rhn.redhat.com/errata/RHSA-2014-1690.html","http://www.ubuntu.com/usn/USN-1983-1","http://www.openwall.com/lists/oss-security/2013/05/16/6"],"weaknesses":[],"ingestedAt":"2026-10-29T19:40:43.773Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2013/2xxx/CVE-2013-2099.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2013-2099","state":"PUBLISHED","datePublished":"2013-10-09T14:44:00.000Z","dateUpdated":"2024-08-06T15:27:40.693Z","assignerShortName":"redhat","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateReserved":"2013-02-19T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"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 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20130515 Re: CVE Request (minor) -- Python 3.2: DoS when matching  certificate with many '*' wildcard characters {was: CVE Request  (minor) --  python-backports-ssl_match_hostname: Denial of service when matching  certificate with many '*' wildcard characters }","tags":["mailing-list","x_refsource_MLIST"]}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"redhat","dateUpdated":"2017-01-23T18:57:01.000Z","orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749"},"datePublic":"2013-05-15T00:00:00.000Z"},"adp":[{"title":"CVE Program 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20130515 Re: CVE Request (minor) -- Python 3.2: DoS when matching  certificate with many '*' wildcard characters {was: CVE Request  (minor) --  python-backports-ssl_match_hostname: Denial of service when matching  certificate with many '*' wildcard characters }","tags":["mailing-list","x_refsource_MLIST","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-06T15:27:40.693Z"}}]}}}