CVE-2013-2099
- Source
- https://cve.org/CVERecord?id=CVE-2013-2099
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2013-2099.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2013-2099
- Aliases
- Downstream
- Related
- Withdrawn
- 2026-01-27T04:12:08.832111Z
- Published
- 2013-10-09T14:53:20Z
- Modified
- 2026-01-27T04:12:08.832111Z
- Summary
- [none]
- Details
-
Algorithmic complexity vulnerability in the ssl.matchhostname function in Python 3.2.x, 3.3.x, and earlier, and unspecified versions of python-backports-sslmatch_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.
- References
-
- http://rhn.redhat.com/errata/RHSA-2014-1690.html
- http://secunia.com/advisories/55107
- http://secunia.com/advisories/55116
- http://www.ubuntu.com/usn/USN-1983-1
- http://www.ubuntu.com/usn/USN-1984-1
- http://www.ubuntu.com/usn/USN-1985-1
- https://access.redhat.com/errata/RHSA-2016:1166
- http://bugs.python.org/issue17980
- https://bugzilla.redhat.com/show_bug.cgi?id=963260
- http://www.openwall.com/lists/oss-security/2013/05/16/6