« Back to list

CVE-2013-1996

Status: ModifiedMedium (6.8)—

X.org libFS 1.0.4 and earlier allows X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to an unexpected sign extension in the FSOpenServer function.

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 (1)

X — Libfs

CWEs

References

Raw JSON (NVD)

Show
{
  "id": "CVE-2013-1996",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2013-06-15T20:55:00.840",
  "references": [
    {
      "url": "http://www.debian.org/security/2013/dsa-2687",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2013/05/23/3",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/60130",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-1853-1",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.x.org/wiki/Development/Security/Advisory-2013-05-23",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.debian.org/security/2013/dsa-2687",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2013/05/23/3",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/60130",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-1853-1",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.x.org/wiki/Development/Security/Advisory-2013-05-23",
      "tags": [
        "Vendor Advisory"
      ],
      "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": "X.org libFS 1.0.4 and earlier allows X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to an unexpected sign extension in the FSOpenServer function."
    },
    {
      "lang": "es",
      "value": "X.org LibFS v1.0.4 y anteriores permite a los servidores X activar la asignación de memoria insuficiente y provocar un desbordamiento de búfer a través de vectores relacionados con una extensión de signo inesperada en la función FSOpenServer."
    }
  ],
  "lastModified": "2026-06-16T23:52:32.483",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:x:libfs:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5A9116A3-76F7-421F-AFAD-4819E9D81581",
              "versionEndIncluding": "1.0.4"
            },
            {
              "criteria": "cpe:2.3:a:x:libfs:1.0.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F2F3F753-0506-474C-B49B-627A82BA0090"
            },
            {
              "criteria": "cpe:2.3:a:x:libfs:1.0.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "71F1F90A-7182-40A8-B5DE-E10C55612218"
            },
            {
              "criteria": "cpe:2.3:a:x:libfs:1.0.3:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C61A0BA1-AF88-4163-A8D9-BD54EC42E0DF"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secalert@redhat.com"
}