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CVE-2011-1779

Status: ModifiedHigh (7.5)—

Multiple use-after-free vulnerabilities in libarchive 2.8.4 and 2.8.5 allow remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted (1) TAR archive or (2) ISO9660 image.

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)

Freebsd — Libarchive

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2011-1779",
  "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": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "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": "2012-04-13T20:55:01.400",
  "references": [
    {
      "url": "http://code.google.com/p/libarchive/source/detail?r=3038",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=705849",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://code.google.com/p/libarchive/source/detail?r=3038",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=705849",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-399"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Multiple use-after-free vulnerabilities in libarchive 2.8.4 and 2.8.5 allow remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted (1) TAR archive or (2) ISO9660 image."
    },
    {
      "lang": "es",
      "value": "Múltiples vulnerabilidades de uso despues de la liberación en libarchive v2.8.4 y v2.8.5, permite a atacantes remotos provocar una denegación de servicio (caída de la aplicación) o posiblemente tener otros impactos no especificados a través de un (1) archivo TAR o (2) imagen ISO9660 manipuladas."
    }
  ],
  "lastModified": "2026-06-16T23:30:00.780",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:freebsd:libarchive:2.8.4:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2E6033C5-CD4E-447C-89DD-3F04A81320CA"
            },
            {
              "criteria": "cpe:2.3:a:freebsd:libarchive:2.8.5:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "75AB65F4-5795-482A-895F-9E31D2300BDB"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secalert@redhat.com"
}