FKIE_CVE-2011-0226

Vulnerability from fkie_nvd - Published: 2011-07-19 22:55 - Updated: 2026-06-16 23:27
Severity
Summary
Integer signedness error in psaux/t1decode.c in FreeType before 2.4.6, as used in CoreGraphics in Apple iOS before 4.2.9 and 4.3.x before 4.3.4 and other products, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted Type 1 font in a PDF document, as exploited in the wild in July 2011.
References
product-security@apple.comhttp://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
product-security@apple.comhttp://lists.apple.com/archives/security-announce/2011//Jul/msg00000.htmlVendor Advisory
product-security@apple.comhttp://lists.apple.com/archives/security-announce/2011//Jul/msg00001.htmlVendor Advisory
product-security@apple.comhttp://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00014.html
product-security@apple.comhttp://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00015.html
product-security@apple.comhttp://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00020.html
product-security@apple.comhttp://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00026.html
product-security@apple.comhttp://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00028.html
product-security@apple.comhttp://lists.opensuse.org/opensuse-security-announce/2011-07/msg00015.html
product-security@apple.comhttp://lists.opensuse.org/opensuse-security-announce/2011-07/msg00016.html
product-security@apple.comhttp://secunia.com/advisories/45167Vendor Advisory
product-security@apple.comhttp://secunia.com/advisories/45224Vendor Advisory
product-security@apple.comhttp://support.apple.com/kb/HT4802Vendor Advisory
product-security@apple.comhttp://support.apple.com/kb/HT4803Vendor Advisory
product-security@apple.comhttp://support.apple.com/kb/HT5002
product-security@apple.comhttp://www.appleinsider.com/articles/11/07/06/hackers_release_new_browser_based_ios_jailbreak_based_on_pdf_exploit.html
product-security@apple.comhttp://www.debian.org/security/2011/dsa-2294
product-security@apple.comhttp://www.mandriva.com/security/advisories?name=MDVSA-2011:120
product-security@apple.comhttp://www.redhat.com/support/errata/RHSA-2011-1085.html
product-security@apple.comhttp://www.securityfocus.com/bid/48619
af854a3a-2127-422b-91ae-364da2661108http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
af854a3a-2127-422b-91ae-364da2661108http://lists.apple.com/archives/security-announce/2011//Jul/msg00000.htmlVendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.apple.com/archives/security-announce/2011//Jul/msg00001.htmlVendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00014.html
af854a3a-2127-422b-91ae-364da2661108http://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00015.html
af854a3a-2127-422b-91ae-364da2661108http://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00020.html
af854a3a-2127-422b-91ae-364da2661108http://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00026.html
af854a3a-2127-422b-91ae-364da2661108http://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00028.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00015.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00016.html
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/45167Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/45224Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://support.apple.com/kb/HT4802Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://support.apple.com/kb/HT4803Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://support.apple.com/kb/HT5002
af854a3a-2127-422b-91ae-364da2661108http://www.appleinsider.com/articles/11/07/06/hackers_release_new_browser_based_ios_jailbreak_based_on_pdf_exploit.html
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2011/dsa-2294
af854a3a-2127-422b-91ae-364da2661108http://www.mandriva.com/security/advisories?name=MDVSA-2011:120
af854a3a-2127-422b-91ae-364da2661108http://www.redhat.com/support/errata/RHSA-2011-1085.html
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/48619

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      "operator": "AND"
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Integer signedness error in psaux/t1decode.c in FreeType before 2.4.6, as used in CoreGraphics in Apple iOS before 4.2.9 and 4.3.x before 4.3.4 and other products, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted Type 1 font in a PDF document, as exploited in the wild in July 2011."
    },
    {
      "lang": "es",
      "value": "Error de entero sin signo en psaux/t1decode.c en FreeType anterior a v2.4.6, es usado enCoreGraphics en Apple iOS anterior a v4.2.9 y v4.3.x anterior a v4.3.4 y otros productos, permite a atacantes remotos ejecutar c\u00f3digo de su elecci\u00f3n o provocar una denegaci\u00f3n de servicio (corrupci\u00f3n de memoria o ca\u00edda de la aplicaci\u00f3n) a trav\u00e9s de una fuente manipulada Type 1 en un documento PDF, como se explot\u00f3 en Julio 2011."
    }
  ],
  "id": "CVE-2011-0226",
  "lastModified": "2026-06-16T23:27:02.637",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 9.3,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 10.0,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ]
  },
  "published": "2011-07-19T22:55:00.820",
  "references": [
    {
      "source": "product-security@apple.com",
      "url": "http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html"
    },
    {
      "source": "product-security@apple.com",
      "tags": [
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      "url": "http://lists.apple.com/archives/security-announce/2011//Jul/msg00000.html"
    },
    {
      "source": "product-security@apple.com",
      "tags": [
        "Vendor Advisory"
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      "url": "http://lists.apple.com/archives/security-announce/2011//Jul/msg00001.html"
    },
    {
      "source": "product-security@apple.com",
      "url": "http://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00014.html"
    },
    {
      "source": "product-security@apple.com",
      "url": "http://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00015.html"
    },
    {
      "source": "product-security@apple.com",
      "url": "http://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00020.html"
    },
    {
      "source": "product-security@apple.com",
      "url": "http://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00026.html"
    },
    {
      "source": "product-security@apple.com",
      "url": "http://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00028.html"
    },
    {
      "source": "product-security@apple.com",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00015.html"
    },
    {
      "source": "product-security@apple.com",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00016.html"
    },
    {
      "source": "product-security@apple.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/45167"
    },
    {
      "source": "product-security@apple.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/45224"
    },
    {
      "source": "product-security@apple.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://support.apple.com/kb/HT4802"
    },
    {
      "source": "product-security@apple.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://support.apple.com/kb/HT4803"
    },
    {
      "source": "product-security@apple.com",
      "url": "http://support.apple.com/kb/HT5002"
    },
    {
      "source": "product-security@apple.com",
      "url": "http://www.appleinsider.com/articles/11/07/06/hackers_release_new_browser_based_ios_jailbreak_based_on_pdf_exploit.html"
    },
    {
      "source": "product-security@apple.com",
      "url": "http://www.debian.org/security/2011/dsa-2294"
    },
    {
      "source": "product-security@apple.com",
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2011:120"
    },
    {
      "source": "product-security@apple.com",
      "url": "http://www.redhat.com/support/errata/RHSA-2011-1085.html"
    },
    {
      "source": "product-security@apple.com",
      "url": "http://www.securityfocus.com/bid/48619"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://lists.apple.com/archives/security-announce/2011//Jul/msg00000.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://lists.apple.com/archives/security-announce/2011//Jul/msg00001.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00014.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00015.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00020.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00026.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00028.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00015.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00016.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/45167"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/45224"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://support.apple.com/kb/HT4802"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://support.apple.com/kb/HT4803"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://support.apple.com/kb/HT5002"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.appleinsider.com/articles/11/07/06/hackers_release_new_browser_based_ios_jailbreak_based_on_pdf_exploit.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.debian.org/security/2011/dsa-2294"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2011:120"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.redhat.com/support/errata/RHSA-2011-1085.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securityfocus.com/bid/48619"
    }
  ],
  "sourceIdentifier": "product-security@apple.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-189"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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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.

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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.


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