ubuntu-cve-2016-8610
Vulnerability from osv_ubuntu
Published
2016-10-24 00:00
Modified
2026-04-22 07:38
Summary
Details

A denial of service flaw was found in OpenSSL 0.9.8, 1.0.1, 1.0.2 through 1.0.2h, and 1.1.0 in the way the TLS/SSL protocol defined processing of ALERT packets during a connection handshake. A remote attacker could use this flaw to make a TLS/SSL server consume an excessive amount of CPU and fail to accept connections from other clients.

Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
N/A (UNKNOWN)
low
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "gnutls-bin",
            "binary_version": "3.0.11+really2.12.23-12ubuntu2.7"
          },
          {
            "binary_name": "libgnutls-openssl27",
            "binary_version": "2.12.23-12ubuntu2.7"
          },
          {
            "binary_name": "libgnutls26",
            "binary_version": "2.12.23-12ubuntu2.7"
          },
          {
            "binary_name": "libgnutlsxx27",
            "binary_version": "2.12.23-12ubuntu2.7"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:14.04:LTS",
        "name": "gnutls26",
        "purl": "pkg:deb/ubuntu/gnutls26@2.12.23-12ubuntu2.7?arch=source\u0026distro=trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.12.23-12ubuntu2.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.12.23-1ubuntu4",
        "2.12.23-1ubuntu5",
        "2.12.23-12ubuntu1",
        "2.12.23-12ubuntu2",
        "2.12.23-12ubuntu2.1",
        "2.12.23-12ubuntu2.2",
        "2.12.23-12ubuntu2.3",
        "2.12.23-12ubuntu2.4",
        "2.12.23-12ubuntu2.5",
        "2.12.23-12ubuntu2.6"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libssl1.0.0",
            "binary_version": "1.0.1f-1ubuntu2.22"
          },
          {
            "binary_name": "openssl",
            "binary_version": "1.0.1f-1ubuntu2.22"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:14.04:LTS",
        "name": "openssl",
        "purl": "pkg:deb/ubuntu/openssl@1.0.1f-1ubuntu2.22?arch=source\u0026distro=trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.0.1f-1ubuntu2.22"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.0.1e-3ubuntu1",
        "1.0.1e-4ubuntu1",
        "1.0.1e-4ubuntu2",
        "1.0.1e-4ubuntu3",
        "1.0.1e-4ubuntu4",
        "1.0.1f-1ubuntu1",
        "1.0.1f-1ubuntu2",
        "1.0.1f-1ubuntu2.1",
        "1.0.1f-1ubuntu2.2",
        "1.0.1f-1ubuntu2.3",
        "1.0.1f-1ubuntu2.4",
        "1.0.1f-1ubuntu2.5",
        "1.0.1f-1ubuntu2.7",
        "1.0.1f-1ubuntu2.8",
        "1.0.1f-1ubuntu2.11",
        "1.0.1f-1ubuntu2.12",
        "1.0.1f-1ubuntu2.15",
        "1.0.1f-1ubuntu2.16",
        "1.0.1f-1ubuntu2.17",
        "1.0.1f-1ubuntu2.18",
        "1.0.1f-1ubuntu2.19",
        "1.0.1f-1ubuntu2.20",
        "1.0.1f-1ubuntu2.21"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "gnutls-bin",
            "binary_version": "3.4.10-4ubuntu1.2"
          },
          {
            "binary_name": "guile-gnutls",
            "binary_version": "3.4.10-4ubuntu1.2"
          },
          {
            "binary_name": "libgnutls-openssl27",
            "binary_version": "3.4.10-4ubuntu1.2"
          },
          {
            "binary_name": "libgnutls30",
            "binary_version": "3.4.10-4ubuntu1.2"
          },
          {
            "binary_name": "libgnutlsxx28",
            "binary_version": "3.4.10-4ubuntu1.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "gnutls28",
        "purl": "pkg:deb/ubuntu/gnutls28@3.4.10-4ubuntu1.2?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.4.10-4ubuntu1.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.3.15-5ubuntu2",
        "3.3.18-1ubuntu1",
        "3.3.20-1ubuntu1",
        "3.4.9-2ubuntu1",
        "3.4.10-4ubuntu1",
        "3.4.10-4ubuntu1.1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libssl1.0.0",
            "binary_version": "1.0.2g-1ubuntu4.6"
          },
          {
            "binary_name": "openssl",
            "binary_version": "1.0.2g-1ubuntu4.6"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "openssl",
        "purl": "pkg:deb/ubuntu/openssl@1.0.2g-1ubuntu4.6?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.0.2g-1ubuntu4.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.0.2d-0ubuntu1",
        "1.0.2d-0ubuntu2",
        "1.0.2e-1ubuntu1",
        "1.0.2f-2ubuntu1",
        "1.0.2g-1ubuntu2",
        "1.0.2g-1ubuntu3",
        "1.0.2g-1ubuntu4",
        "1.0.2g-1ubuntu4.1",
        "1.0.2g-1ubuntu4.2",
        "1.0.2g-1ubuntu4.4",
        "1.0.2g-1ubuntu4.5"
      ]
    }
  ],
  "aliases": [],
  "details": "A denial of service flaw was found in OpenSSL 0.9.8, 1.0.1, 1.0.2 through 1.0.2h, and 1.1.0 in the way the TLS/SSL protocol defined processing of ALERT packets during a connection handshake. A remote attacker could use this flaw to make a TLS/SSL server consume an excessive amount of CPU and fail to accept connections from other clients.",
  "id": "UBUNTU-CVE-2016-8610",
  "modified": "2026-04-22T07:38:03Z",
  "published": "2016-10-24T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2016-8610"
    },
    {
      "type": "REPORT",
      "url": "http://www.openwall.com/lists/oss-security/2016/10/24/3"
    },
    {
      "type": "REPORT",
      "url": "http://security.360.cn/cve/CVE-2016-8610/"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3181-1"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3183-1"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3183-2"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2016-8610"
    }
  ],
  "related": [
    "USN-3181-1",
    "USN-3183-1",
    "USN-3183-2"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "low",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2016-8610"
  ]
}



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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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