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CVE-2016-7953

Status: ModifiedCritical (9.8)—

Buffer underflow in X.org libXvMC before 1.0.10 allows remote X servers to have unspecified impact via an empty string.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (2)

Fedoraproject — FedoraX.org — Libxvmc

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2016-7953",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": true,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "security@opentext.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2016-12-13T20:59:20.380",
  "references": [
    {
      "url": "http://www.openwall.com/lists/oss-security/2016/10/04/2",
      "source": "security@opentext.com"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2016/10/04/4",
      "source": "security@opentext.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/93371",
      "source": "security@opentext.com"
    },
    {
      "url": "http://www.securitytracker.com/id/1036945",
      "source": "security@opentext.com"
    },
    {
      "url": "https://cgit.freedesktop.org/xorg/lib/libXvMC/commit/?id=2cd95e7da8367cccdcdd5c9b160012d1dec5cbdb",
      "source": "security@opentext.com"
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DLZ3CBE3LKTSHIQYM6RKZYJ5PJ5IGTYG/",
      "source": "security@opentext.com"
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M4SI52ZOHOK6524DI2TOW4DX6HPKNFNB/",
      "source": "security@opentext.com"
    },
    {
      "url": "https://lists.x.org/archives/xorg-announce/2016-October/002720.html",
      "source": "security@opentext.com"
    },
    {
      "url": "https://security.gentoo.org/glsa/201704-03",
      "source": "security@opentext.com"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2016/10/04/2",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "http://www.openwall.com/lists/oss-security/2016/10/04/4",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/93371",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id/1036945",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://cgit.freedesktop.org/xorg/lib/libXvMC/commit/?id=2cd95e7da8367cccdcdd5c9b160012d1dec5cbdb",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DLZ3CBE3LKTSHIQYM6RKZYJ5PJ5IGTYG/",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M4SI52ZOHOK6524DI2TOW4DX6HPKNFNB/",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.x.org/archives/xorg-announce/2016-October/002720.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://security.gentoo.org/glsa/201704-03",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Buffer underflow in X.org libXvMC before 1.0.10 allows remote X servers to have unspecified impact via an empty string."
    },
    {
      "lang": "es",
      "value": "Desbordamiento inferior de búfer en X.org libXvMC en versiones anteriores a 1.0.10 permite a servidores remotos X tener un impacto no especificado a través de una cadena vacía."
    }
  ],
  "lastModified": "2026-06-17T00:53:49.150",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:fedoraproject:fedora:24:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C729D5D1-ED95-443A-9F53-5D7C2FD9B80C"
            },
            {
              "criteria": "cpe:2.3:o:fedoraproject:fedora:25:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "772E9557-A371-4664-AE2D-4135AAEB89AA"
            }
          ],
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
              "matchCriteriaId": "FCF0EF29-9A7A-4773-AED6-AAC542DA727D",
              "versionEndIncluding": "1.0.9"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@opentext.com"
}