CVE-2008-3656 (GCVE-0-2008-3656)

Vulnerability from cvelistv5 – Published: 2008-08-13 01:00 – Updated: 2024-08-07 09:45
VLAI
Summary
Algorithmic complexity vulnerability in the WEBrick::HTTPUtils.split_header_value function in WEBrick::HTTP::DefaultFileHandler in WEBrick in Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 allows context-dependent attackers to cause a denial of service (CPU consumption) via a crafted HTTP request that is processed by a backtracking regular expression.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
mitre CNA under the mitre root
CNA scorecard E 29/100 over 2159 records in the last 180 days details
References
URL Tags
https://oval.cisecurity.org/repository/search/def… vdb-entrysignaturex_refsource_OVAL
http://secunia.com/advisories/31430 third-party-advisoryx_refsource_SECUNIA
http://secunia.com/advisories/31697 third-party-advisoryx_refsource_SECUNIA
https://usn.ubuntu.com/651-1/ vendor-advisoryx_refsource_UBUNTU
https://exchange.xforce.ibmcloud.com/vulnerabilit… vdb-entryx_refsource_XF
http://support.apple.com/kb/HT3549 x_refsource_CONFIRM
http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0264 x_refsource_CONFIRM
http://www.debian.org/security/2008/dsa-1652 vendor-advisoryx_refsource_DEBIAN
https://www.redhat.com/archives/fedora-package-an… vendor-advisoryx_refsource_FEDORA
http://secunia.com/advisories/35074 third-party-advisoryx_refsource_SECUNIA
http://support.avaya.com/elmodocs2/security/ASA-2… x_refsource_CONFIRM
http://www.debian.org/security/2008/dsa-1651 vendor-advisoryx_refsource_DEBIAN
http://lists.apple.com/archives/security-announce… vendor-advisoryx_refsource_APPLE
http://www.securityfocus.com/bid/30644 vdb-entryx_refsource_BID
http://www.redhat.com/support/errata/RHSA-2008-08… vendor-advisoryx_refsource_REDHAT
http://www.ruby-lang.org/en/news/2008/08/08/multi… x_refsource_CONFIRM
http://secunia.com/advisories/32219 third-party-advisoryx_refsource_SECUNIA
http://www.securitytracker.com/id?1020654 vdb-entryx_refsource_SECTRACK
http://www.us-cert.gov/cas/techalerts/TA09-133A.html third-party-advisoryx_refsource_CERT
http://secunia.com/advisories/32255 third-party-advisoryx_refsource_SECUNIA
http://www.vupen.com/english/advisories/2009/1297 vdb-entryx_refsource_VUPEN
http://www.securityfocus.com/archive/1/495884/100… mailing-listx_refsource_BUGTRAQ
http://secunia.com/advisories/32371 third-party-advisoryx_refsource_SECUNIA
http://secunia.com/advisories/32165 third-party-advisoryx_refsource_SECUNIA
http://security.gentoo.org/glsa/glsa-200812-17.xml vendor-advisoryx_refsource_GENTOO
http://secunia.com/advisories/33178 third-party-advisoryx_refsource_SECUNIA
http://www.vupen.com/english/advisories/2008/2334 vdb-entryx_refsource_VUPEN
https://www.redhat.com/archives/fedora-package-an… vendor-advisoryx_refsource_FEDORA
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=494401 x_refsource_CONFIRM
http://secunia.com/advisories/32256 third-party-advisoryx_refsource_SECUNIA
Date Public
2008-08-08 00:00
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-07T09:45:18.986Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "oval:org.mitre.oval:def:9682",
            "tags": [
              "vdb-entry",
              "signature",
              "x_refsource_OVAL",
              "x_transferred"
            ],
            "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9682"
          },
          {
            "name": "31430",
            "tags": [
              "third-party-advisory",
              "x_refsource_SECUNIA",
              "x_transferred"
            ],
            "url": "http://secunia.com/advisories/31430"
          },
          {
            "name": "31697",
            "tags": [
              "third-party-advisory",
              "x_refsource_SECUNIA",
              "x_transferred"
            ],
            "url": "http://secunia.com/advisories/31697"
          },
          {
            "name": "USN-651-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/651-1/"
          },
          {
            "name": "ruby-webrick-dos(44371)",
            "tags": [
              "vdb-entry",
              "x_refsource_XF",
              "x_transferred"
            ],
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/44371"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://support.apple.com/kb/HT3549"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0264"
          },
          {
            "name": "DSA-1652",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "http://www.debian.org/security/2008/dsa-1652"
          },
          {
            "name": "FEDORA-2008-8736",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00299.html"
          },
          {
            "name": "35074",
            "tags": [
              "third-party-advisory",
              "x_refsource_SECUNIA",
              "x_transferred"
            ],
            "url": "http://secunia.com/advisories/35074"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://support.avaya.com/elmodocs2/security/ASA-2008-424.htm"
          },
          {
            "name": "DSA-1651",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "http://www.debian.org/security/2008/dsa-1651"
          },
          {
            "name": "APPLE-SA-2009-05-12",
            "tags": [
              "vendor-advisory",
              "x_refsource_APPLE",
              "x_transferred"
            ],
            "url": "http://lists.apple.com/archives/security-announce/2009/May/msg00002.html"
          },
          {
            "name": "30644",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/30644"
          },
          {
            "name": "RHSA-2008:0897",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "http://www.redhat.com/support/errata/RHSA-2008-0897.html"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://www.ruby-lang.org/en/news/2008/08/08/multiple-vulnerabilities-in-ruby/"
          },
          {
            "name": "32219",
            "tags": [
              "third-party-advisory",
              "x_refsource_SECUNIA",
              "x_transferred"
            ],
            "url": "http://secunia.com/advisories/32219"
          },
          {
            "name": "1020654",
            "tags": [
              "vdb-entry",
              "x_refsource_SECTRACK",
              "x_transferred"
            ],
            "url": "http://www.securitytracker.com/id?1020654"
          },
          {
            "name": "TA09-133A",
            "tags": [
              "third-party-advisory",
              "x_refsource_CERT",
              "x_transferred"
            ],
            "url": "http://www.us-cert.gov/cas/techalerts/TA09-133A.html"
          },
          {
            "name": "32255",
            "tags": [
              "third-party-advisory",
              "x_refsource_SECUNIA",
              "x_transferred"
            ],
            "url": "http://secunia.com/advisories/32255"
          },
          {
            "name": "ADV-2009-1297",
            "tags": [
              "vdb-entry",
              "x_refsource_VUPEN",
              "x_transferred"
            ],
            "url": "http://www.vupen.com/english/advisories/2009/1297"
          },
          {
            "name": "20080831 rPSA-2008-0264-1 ruby",
            "tags": [
              "mailing-list",
              "x_refsource_BUGTRAQ",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/archive/1/495884/100/0/threaded"
          },
          {
            "name": "32371",
            "tags": [
              "third-party-advisory",
              "x_refsource_SECUNIA",
              "x_transferred"
            ],
            "url": "http://secunia.com/advisories/32371"
          },
          {
            "name": "32165",
            "tags": [
              "third-party-advisory",
              "x_refsource_SECUNIA",
              "x_transferred"
            ],
            "url": "http://secunia.com/advisories/32165"
          },
          {
            "name": "GLSA-200812-17",
            "tags": [
              "vendor-advisory",
              "x_refsource_GENTOO",
              "x_transferred"
            ],
            "url": "http://security.gentoo.org/glsa/glsa-200812-17.xml"
          },
          {
            "name": "33178",
            "tags": [
              "third-party-advisory",
              "x_refsource_SECUNIA",
              "x_transferred"
            ],
            "url": "http://secunia.com/advisories/33178"
          },
          {
            "name": "ADV-2008-2334",
            "tags": [
              "vdb-entry",
              "x_refsource_VUPEN",
              "x_transferred"
            ],
            "url": "http://www.vupen.com/english/advisories/2008/2334"
          },
          {
            "name": "FEDORA-2008-8738",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00259.html"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=494401"
          },
          {
            "name": "32256",
            "tags": [
              "third-party-advisory",
              "x_refsource_SECUNIA",
              "x_transferred"
            ],
            "url": "http://secunia.com/advisories/32256"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2008-08-08T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Algorithmic complexity vulnerability in the WEBrick::HTTPUtils.split_header_value function in WEBrick::HTTP::DefaultFileHandler in WEBrick in Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 allows context-dependent attackers to cause a denial of service (CPU consumption) via a crafted HTTP request that is processed by a backtracking regular expression."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2018-10-11T19:57:01.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "name": "oval:org.mitre.oval:def:9682",
          "tags": [
            "vdb-entry",
            "signature",
            "x_refsource_OVAL"
          ],
          "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9682"
        },
        {
          "name": "31430",
          "tags": [
            "third-party-advisory",
            "x_refsource_SECUNIA"
          ],
          "url": "http://secunia.com/advisories/31430"
        },
        {
          "name": "31697",
          "tags": [
            "third-party-advisory",
            "x_refsource_SECUNIA"
          ],
          "url": "http://secunia.com/advisories/31697"
        },
        {
          "name": "USN-651-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/651-1/"
        },
        {
          "name": "ruby-webrick-dos(44371)",
          "tags": [
            "vdb-entry",
            "x_refsource_XF"
          ],
          "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/44371"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://support.apple.com/kb/HT3549"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0264"
        },
        {
          "name": "DSA-1652",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "http://www.debian.org/security/2008/dsa-1652"
        },
        {
          "name": "FEDORA-2008-8736",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00299.html"
        },
        {
          "name": "35074",
          "tags": [
            "third-party-advisory",
            "x_refsource_SECUNIA"
          ],
          "url": "http://secunia.com/advisories/35074"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://support.avaya.com/elmodocs2/security/ASA-2008-424.htm"
        },
        {
          "name": "DSA-1651",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "http://www.debian.org/security/2008/dsa-1651"
        },
        {
          "name": "APPLE-SA-2009-05-12",
          "tags": [
            "vendor-advisory",
            "x_refsource_APPLE"
          ],
          "url": "http://lists.apple.com/archives/security-announce/2009/May/msg00002.html"
        },
        {
          "name": "30644",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/30644"
        },
        {
          "name": "RHSA-2008:0897",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "http://www.redhat.com/support/errata/RHSA-2008-0897.html"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://www.ruby-lang.org/en/news/2008/08/08/multiple-vulnerabilities-in-ruby/"
        },
        {
          "name": "32219",
          "tags": [
            "third-party-advisory",
            "x_refsource_SECUNIA"
          ],
          "url": "http://secunia.com/advisories/32219"
        },
        {
          "name": "1020654",
          "tags": [
            "vdb-entry",
            "x_refsource_SECTRACK"
          ],
          "url": "http://www.securitytracker.com/id?1020654"
        },
        {
          "name": "TA09-133A",
          "tags": [
            "third-party-advisory",
            "x_refsource_CERT"
          ],
          "url": "http://www.us-cert.gov/cas/techalerts/TA09-133A.html"
        },
        {
          "name": "32255",
          "tags": [
            "third-party-advisory",
            "x_refsource_SECUNIA"
          ],
          "url": "http://secunia.com/advisories/32255"
        },
        {
          "name": "ADV-2009-1297",
          "tags": [
            "vdb-entry",
            "x_refsource_VUPEN"
          ],
          "url": "http://www.vupen.com/english/advisories/2009/1297"
        },
        {
          "name": "20080831 rPSA-2008-0264-1 ruby",
          "tags": [
            "mailing-list",
            "x_refsource_BUGTRAQ"
          ],
          "url": "http://www.securityfocus.com/archive/1/495884/100/0/threaded"
        },
        {
          "name": "32371",
          "tags": [
            "third-party-advisory",
            "x_refsource_SECUNIA"
          ],
          "url": "http://secunia.com/advisories/32371"
        },
        {
          "name": "32165",
          "tags": [
            "third-party-advisory",
            "x_refsource_SECUNIA"
          ],
          "url": "http://secunia.com/advisories/32165"
        },
        {
          "name": "GLSA-200812-17",
          "tags": [
            "vendor-advisory",
            "x_refsource_GENTOO"
          ],
          "url": "http://security.gentoo.org/glsa/glsa-200812-17.xml"
        },
        {
          "name": "33178",
          "tags": [
            "third-party-advisory",
            "x_refsource_SECUNIA"
          ],
          "url": "http://secunia.com/advisories/33178"
        },
        {
          "name": "ADV-2008-2334",
          "tags": [
            "vdb-entry",
            "x_refsource_VUPEN"
          ],
          "url": "http://www.vupen.com/english/advisories/2008/2334"
        },
        {
          "name": "FEDORA-2008-8738",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00259.html"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=494401"
        },
        {
          "name": "32256",
          "tags": [
            "third-party-advisory",
            "x_refsource_SECUNIA"
          ],
          "url": "http://secunia.com/advisories/32256"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2008-3656",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Algorithmic complexity vulnerability in the WEBrick::HTTPUtils.split_header_value function in WEBrick::HTTP::DefaultFileHandler in WEBrick in Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 allows context-dependent attackers to cause a denial of service (CPU consumption) via a crafted HTTP request that is processed by a backtracking regular expression."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "oval:org.mitre.oval:def:9682",
              "refsource": "OVAL",
              "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9682"
            },
            {
              "name": "31430",
              "refsource": "SECUNIA",
              "url": "http://secunia.com/advisories/31430"
            },
            {
              "name": "31697",
              "refsource": "SECUNIA",
              "url": "http://secunia.com/advisories/31697"
            },
            {
              "name": "USN-651-1",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/651-1/"
            },
            {
              "name": "ruby-webrick-dos(44371)",
              "refsource": "XF",
              "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/44371"
            },
            {
              "name": "http://support.apple.com/kb/HT3549",
              "refsource": "CONFIRM",
              "url": "http://support.apple.com/kb/HT3549"
            },
            {
              "name": "http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0264",
              "refsource": "CONFIRM",
              "url": "http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0264"
            },
            {
              "name": "DSA-1652",
              "refsource": "DEBIAN",
              "url": "http://www.debian.org/security/2008/dsa-1652"
            },
            {
              "name": "FEDORA-2008-8736",
              "refsource": "FEDORA",
              "url": "https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00299.html"
            },
            {
              "name": "35074",
              "refsource": "SECUNIA",
              "url": "http://secunia.com/advisories/35074"
            },
            {
              "name": "http://support.avaya.com/elmodocs2/security/ASA-2008-424.htm",
              "refsource": "CONFIRM",
              "url": "http://support.avaya.com/elmodocs2/security/ASA-2008-424.htm"
            },
            {
              "name": "DSA-1651",
              "refsource": "DEBIAN",
              "url": "http://www.debian.org/security/2008/dsa-1651"
            },
            {
              "name": "APPLE-SA-2009-05-12",
              "refsource": "APPLE",
              "url": "http://lists.apple.com/archives/security-announce/2009/May/msg00002.html"
            },
            {
              "name": "30644",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/30644"
            },
            {
              "name": "RHSA-2008:0897",
              "refsource": "REDHAT",
              "url": "http://www.redhat.com/support/errata/RHSA-2008-0897.html"
            },
            {
              "name": "http://www.ruby-lang.org/en/news/2008/08/08/multiple-vulnerabilities-in-ruby/",
              "refsource": "CONFIRM",
              "url": "http://www.ruby-lang.org/en/news/2008/08/08/multiple-vulnerabilities-in-ruby/"
            },
            {
              "name": "32219",
              "refsource": "SECUNIA",
              "url": "http://secunia.com/advisories/32219"
            },
            {
              "name": "1020654",
              "refsource": "SECTRACK",
              "url": "http://www.securitytracker.com/id?1020654"
            },
            {
              "name": "TA09-133A",
              "refsource": "CERT",
              "url": "http://www.us-cert.gov/cas/techalerts/TA09-133A.html"
            },
            {
              "name": "32255",
              "refsource": "SECUNIA",
              "url": "http://secunia.com/advisories/32255"
            },
            {
              "name": "ADV-2009-1297",
              "refsource": "VUPEN",
              "url": "http://www.vupen.com/english/advisories/2009/1297"
            },
            {
              "name": "20080831 rPSA-2008-0264-1 ruby",
              "refsource": "BUGTRAQ",
              "url": "http://www.securityfocus.com/archive/1/495884/100/0/threaded"
            },
            {
              "name": "32371",
              "refsource": "SECUNIA",
              "url": "http://secunia.com/advisories/32371"
            },
            {
              "name": "32165",
              "refsource": "SECUNIA",
              "url": "http://secunia.com/advisories/32165"
            },
            {
              "name": "GLSA-200812-17",
              "refsource": "GENTOO",
              "url": "http://security.gentoo.org/glsa/glsa-200812-17.xml"
            },
            {
              "name": "33178",
              "refsource": "SECUNIA",
              "url": "http://secunia.com/advisories/33178"
            },
            {
              "name": "ADV-2008-2334",
              "refsource": "VUPEN",
              "url": "http://www.vupen.com/english/advisories/2008/2334"
            },
            {
              "name": "FEDORA-2008-8738",
              "refsource": "FEDORA",
              "url": "https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00259.html"
            },
            {
              "name": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=494401",
              "refsource": "CONFIRM",
              "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=494401"
            },
            {
              "name": "32256",
              "refsource": "SECUNIA",
              "url": "http://secunia.com/advisories/32256"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2008-3656",
    "datePublished": "2008-08-13T01:00:00.000Z",
    "dateReserved": "2008-08-12T00:00:00.000Z",
    "dateUpdated": "2024-08-07T09:45:18.986Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2008-3656",
      "date": "2026-11-11",
      "epss": "0.70202",
      "percentile": "0.9939"
    },
    "nvd": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "9721AB68-8002-4F85-98BC-0E6FDF7CDF6C",
                    "versionEndIncluding": "1.8.5",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:ruby-lang:ruby:1.6.8:*:*:*:*:*:*:*",
                    "matchCriteriaId": "46086C6A-9068-4959-BEE7-4D76BDEA3962",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "16BDFA5C-35BE-4B7E-BD2D-C28B095F62E0",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.1:*:*:*:*:*:*:*",
                    "matchCriteriaId": "31160797-6920-4BA1-B355-1CCD1FCDBFC8",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.1:-9:*:*:*:*:*:*",
                    "matchCriteriaId": "BC306E85-66D8-4384-BBC3-92DC99C85FC2",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.2:*:*:*:*:*:*:*",
                    "matchCriteriaId": "A5675C37-39EF-41EF-9A53-3FCE4CF23820",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.2:preview2:*:*:*:*:*:*",
                    "matchCriteriaId": "39609530-0A81-481E-BDA4-5A98327EAD11",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.2:preview3:*:*:*:*:*:*",
                    "matchCriteriaId": "C19ADE91-4D9E-43ED-A605-E504B9090119",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.2:preview4:*:*:*:*:*:*",
                    "matchCriteriaId": "D89E3027-C2ED-4CC6-86F5-1B791576B6EF",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.3:*:*:*:*:*:*:*",
                    "matchCriteriaId": "46F29ADA-E6DC-456F-9E63-C56C68EF7E5C",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.3:preview1:*:*:*:*:*:*",
                    "matchCriteriaId": "57B1C113-682E-4F7D-BCF0-E30C446C4AC7",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.3:preview2:*:*:*:*:*:*",
                    "matchCriteriaId": "4BAF9471-B532-4194-AB3C-5AA28432FF27",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.3:preview3:*:*:*:*:*:*",
                    "matchCriteriaId": "51BE9728-A5FE-486A-8DB9-711E46243132",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.4:*:*:*:*:*:*:*",
                    "matchCriteriaId": "7AC1B910-C0FA-4943-92B1-597842E84015",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.4:preview1:*:*:*:*:*:*",
                    "matchCriteriaId": "A78ECCA9-6F07-4A63-8BF7-8D40F2439552",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.4:preview2:*:*:*:*:*:*",
                    "matchCriteriaId": "14513719-4ED8-4EAB-B4D8-29849B868BA0",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.4:preview3:*:*:*:*:*:*",
                    "matchCriteriaId": "92E3814D-BEEA-4E46-9CED-9D8059727D14",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.5:p11:*:*:*:*:*:*",
                    "matchCriteriaId": "CA7D3F32-EFB7-4628-9328-36C6A306B399",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.5:p113:*:*:*:*:*:*",
                    "matchCriteriaId": "D1A95E9F-AEC5-4AF9-B7D9-52DDDECB7E77",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.5:p115:*:*:*:*:*:*",
                    "matchCriteriaId": "9328DE73-420B-4280-85A4-ABEFC4679676",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.5:p12:*:*:*:*:*:*",
                    "matchCriteriaId": "0F382FBD-6163-4A5B-AEB3-A15A843329F1",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.5:p2:*:*:*:*:*:*",
                    "matchCriteriaId": "4399121F-9BC7-4A67-8B0B-ED3B94A16D56",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.5:p35:*:*:*:*:*:*",
                    "matchCriteriaId": "BFE61EB9-2544-4E48-B313-63A99F4F5241",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.5:preview1:*:*:*:*:*:*",
                    "matchCriteriaId": "6122187F-2371-429A-971B-419B4ACE8E18",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.5:preview2:*:*:*:*:*:*",
                    "matchCriteriaId": "8A42425D-FF21-4863-B43D-EE100DBE6BD7",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.5:preview3:*:*:*:*:*:*",
                    "matchCriteriaId": "06512108-020D-4D71-8F60-6AA2052D7D35",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.5:preview4:*:*:*:*:*:*",
                    "matchCriteriaId": "E2E152A5-F625-4061-AD8C-4CFA085B674F",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.5:preview5:*:*:*:*:*:*",
                    "matchCriteriaId": "756F5247-658C-412C-ACBF-CBE987DF748A",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.6:*:*:*:*:*:*:*",
                    "matchCriteriaId": "876B2575-4F81-4A70-9A88-9BEE44649626",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.6:p110:*:*:*:*:*:*",
                    "matchCriteriaId": "DF02372D-FD0B-453F-821E-1E0BA7900711",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.6:p114:*:*:*:*:*:*",
                    "matchCriteriaId": "ACC0DB90-C072-4BCB-9082-94394F547D35",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.6:preview1:*:*:*:*:*:*",
                    "matchCriteriaId": "04579340-B53F-47B5-99C9-B647AAA3D303",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.6:preview2:*:*:*:*:*:*",
                    "matchCriteriaId": "9D7F4162-108A-470B-8E6B-C009E8C56AEF",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.6:preview3:*:*:*:*:*:*",
                    "matchCriteriaId": "73AB0545-3D8D-4623-8381-D71DA44E3B5D",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.7:*:*:*:*:*:*:*",
                    "matchCriteriaId": "2D86FC99-3521-4E22-8FD3-65CEB05A6342",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.7:p17:*:*:*:*:*:*",
                    "matchCriteriaId": "84A291B0-EABD-4572-B8E2-2457DBAEDC92",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.7:p22:*:*:*:*:*:*",
                    "matchCriteriaId": "1FE05F3A-A8B5-45EE-BF52-D55E2768F890",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.7:p71:*:*:*:*:*:*",
                    "matchCriteriaId": "0C6D66E2-3E10-4DEA-9E6B-53A5DE78AFCF",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.7:preview1:*:*:*:*:*:*",
                    "matchCriteriaId": "4E37786B-5336-4182-A1E3-801BDB6F61EC",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.7:preview2:*:*:*:*:*:*",
                    "matchCriteriaId": "349D014E-223A-46A7-8334-543DB330C215",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.7:preview3:*:*:*:*:*:*",
                    "matchCriteriaId": "550EC183-43A1-4A63-A23C-A48C1F078451",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.7:preview4:*:*:*:*:*:*",
                    "matchCriteriaId": "0ACECF59-AA88-4B5C-A671-83842C9CF072",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:ruby-lang:ruby:1.9.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "52179EC7-CAF0-42AA-A21A-7105E10CA122",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "Algorithmic complexity vulnerability in the WEBrick::HTTPUtils.split_header_value function in WEBrick::HTTP::DefaultFileHandler in WEBrick in Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 allows context-dependent attackers to cause a denial of service (CPU consumption) via a crafted HTTP request that is processed by a backtracking regular expression."
          },
          {
            "lang": "es",
            "value": "Una vulnerabilidad de complejidad algor\u00edtmica en la funci\u00f3n WEBrick::HTTPUtils.split_header_value en WEBrick::HTTP::DefaultFileHandler en WEBrick en Ruby versiones 1.8.5 y anteriores, versiones 1.8.6 hasta 1.8.6-p286, versiones 1.8.7 hasta 1.8.7-p71, y versiones 1.9 hasta r18423, permite a los atacantes dependiendo del contexto causar una denegaci\u00f3n de servicio (consumo de CPU) por medio de una petici\u00f3n HTTP dise\u00f1ada que se procesa mediante una expresi\u00f3n regular backtracking."
          }
        ],
        "id": "CVE-2008-3656",
        "lastModified": "2026-04-23T00:35:47.467",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": true,
              "baseSeverity": "HIGH",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "COMPLETE",
                "baseScore": 7.8,
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
                "version": "2.0"
              },
              "exploitabilityScore": 10.0,
              "impactScore": 6.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ]
        },
        "published": "2008-08-13T01:41:00.000",
        "references": [
          {
            "source": "cve@mitre.org",
            "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=494401"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://lists.apple.com/archives/security-announce/2009/May/msg00002.html"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://secunia.com/advisories/31430"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://secunia.com/advisories/31697"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://secunia.com/advisories/32165"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://secunia.com/advisories/32219"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://secunia.com/advisories/32255"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://secunia.com/advisories/32256"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://secunia.com/advisories/32371"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://secunia.com/advisories/33178"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://secunia.com/advisories/35074"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://security.gentoo.org/glsa/glsa-200812-17.xml"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://support.apple.com/kb/HT3549"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://support.avaya.com/elmodocs2/security/ASA-2008-424.htm"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0264"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://www.debian.org/security/2008/dsa-1651"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://www.debian.org/security/2008/dsa-1652"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://www.redhat.com/support/errata/RHSA-2008-0897.html"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Exploit"
            ],
            "url": "http://www.ruby-lang.org/en/news/2008/08/08/multiple-vulnerabilities-in-ruby/"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://www.securityfocus.com/archive/1/495884/100/0/threaded"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://www.securityfocus.com/bid/30644"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://www.securitytracker.com/id?1020654"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "US Government Resource"
            ],
            "url": "http://www.us-cert.gov/cas/techalerts/TA09-133A.html"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://www.vupen.com/english/advisories/2008/2334"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://www.vupen.com/english/advisories/2009/1297"
          },
          {
            "source": "cve@mitre.org",
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/44371"
          },
          {
            "source": "cve@mitre.org",
            "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9682"
          },
          {
            "source": "cve@mitre.org",
            "url": "https://usn.ubuntu.com/651-1/"
          },
          {
            "source": "cve@mitre.org",
            "url": "https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00259.html"
          },
          {
            "source": "cve@mitre.org",
            "url": "https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00299.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=494401"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://lists.apple.com/archives/security-announce/2009/May/msg00002.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://secunia.com/advisories/31430"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://secunia.com/advisories/31697"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://secunia.com/advisories/32165"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://secunia.com/advisories/32219"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://secunia.com/advisories/32255"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://secunia.com/advisories/32256"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://secunia.com/advisories/32371"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://secunia.com/advisories/33178"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://secunia.com/advisories/35074"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://security.gentoo.org/glsa/glsa-200812-17.xml"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://support.apple.com/kb/HT3549"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://support.avaya.com/elmodocs2/security/ASA-2008-424.htm"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0264"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.debian.org/security/2008/dsa-1651"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.debian.org/security/2008/dsa-1652"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.redhat.com/support/errata/RHSA-2008-0897.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Exploit"
            ],
            "url": "http://www.ruby-lang.org/en/news/2008/08/08/multiple-vulnerabilities-in-ruby/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.securityfocus.com/archive/1/495884/100/0/threaded"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.securityfocus.com/bid/30644"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.securitytracker.com/id?1020654"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "US Government Resource"
            ],
            "url": "http://www.us-cert.gov/cas/techalerts/TA09-133A.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.vupen.com/english/advisories/2008/2334"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.vupen.com/english/advisories/2009/1297"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/44371"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9682"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://usn.ubuntu.com/651-1/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00259.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00299.html"
          }
        ],
        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-399"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-05-18T09:45:17+00:00",
      "cve": "CVE-2008-3656",
      "id": "CVE-2008-3656",
      "initial_release_date": "2008-08-08T00:00:00+00:00",
      "product_status:fixed": "387",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "ruby: WEBrick DoS vulnerability (CPU consumption)",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2008/cve-2008-3656.json",
      "version": "3"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON
How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

Events included in the timeline

Loading timeline…


    Loading…

    Loading…

    Loading…

    Related by attack behaviour

    Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.