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CVE-2013-2099

CVE-2013-2099

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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.

EPSS 4.9% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • n/a

    Versions
    • n/a: Affected

    No fix published

  • bzr Debian:12

    Affected ranges
    • ECOSYSTEM: < 2.6.0~bzr6574-1

    Update to 2.6.0~bzr6574-1

  • bzr Debian:13

    Affected ranges
    • ECOSYSTEM: < 2.6.0~bzr6574-1

    Update to 2.6.0~bzr6574-1

  • linkchecker Debian:12

    Affected ranges
    • ECOSYSTEM: < 8.5-1

    Update to 8.5-1

  • linkchecker Debian:13

    Affected ranges
    • ECOSYSTEM: < 8.5-1

    Update to 8.5-1

  • linkchecker Debian:14

    Affected ranges
    • ECOSYSTEM: < 8.5-1

    Update to 8.5-1

  • python-tornado Debian:12

    Affected ranges
    • ECOSYSTEM: < 2.4.1-3

    Update to 2.4.1-3

  • python-tornado Debian:13

    Affected ranges
    • ECOSYSTEM: < 2.4.1-3

    Update to 2.4.1-3

  • python-tornado Debian:14

    Affected ranges
    • ECOSYSTEM: < 2.4.1-3

    Update to 2.4.1-3

  • python-urllib3 Debian:12

    Affected ranges
    • ECOSYSTEM: < 1.6-2

    Update to 1.6-2

  • python-urllib3 Debian:13

    Affected ranges
    • ECOSYSTEM: < 1.6-2

    Update to 1.6-2

  • python-urllib3 Debian:14

    Affected ranges
    • ECOSYSTEM: < 1.6-2

    Update to 1.6-2

  • w3af Ubuntu:16.04:LTS

    Versions
    • 1.1svn5547-1.1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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