CVE-2013-6462 (GCVE-0-2013-6462)

Vulnerability from cvelistv5 – Published: 2014-01-09 15:00 – Updated: 2024-08-06 17:39
VLAI
Summary
Stack-based buffer overflow in the bdfReadCharacters function in bitmap/bdfread.c in X.Org libXfont 1.1 through 1.4.6 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a long string in a character name in a BDF font file.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
http://lists.opensuse.org/opensuse-updates/2014-0… vendor-advisoryx_refsource_SUSE
http://lists.x.org/archives/xorg-announce/2014-Ja… mailing-listx_refsource_MLIST
http://www.debian.org/security/2014/dsa-2838 vendor-advisoryx_refsource_DEBIAN
http://secunia.com/advisories/56357 third-party-advisoryx_refsource_SECUNIA
http://seclists.org/oss-sec/2014/q1/33 mailing-listx_refsource_MLIST
http://rhn.redhat.com/errata/RHSA-2014-0018.html vendor-advisoryx_refsource_REDHAT
http://www.oracle.com/technetwork/topics/security… x_refsource_CONFIRM
http://secunia.com/advisories/56240 third-party-advisoryx_refsource_SECUNIA
http://secunia.com/advisories/56336 third-party-advisoryx_refsource_SECUNIA
http://www.ubuntu.com/usn/USN-2078-1 vendor-advisoryx_refsource_UBUNTU
http://lists.opensuse.org/opensuse-updates/2014-0… vendor-advisoryx_refsource_SUSE
http://secunia.com/advisories/56371 third-party-advisoryx_refsource_SECUNIA
http://osvdb.org/101842 vdb-entryx_refsource_OSVDB
http://www.securityfocus.com/bid/64694 vdb-entryx_refsource_BID
http://cgit.freedesktop.org/xorg/lib/libXfont/com… x_refsource_CONFIRM
https://exchange.xforce.ibmcloud.com/vulnerabilit… vdb-entryx_refsource_XF
Date Public
2014-01-07 00:00
Show details on NVD website
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            "value": "Stack-based buffer overflow in the bdfReadCharacters function in bitmap/bdfread.c in X.Org libXfont 1.1 through 1.4.6 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a long string in a character name in a BDF font file."
          },
          {
            "lang": "es",
            "value": "Desbordamiento de pila en la funci\u00f3n bdfReadCharacters de bitmap/bdfread.c en X.Org libXfont 1.1 hasta 1.4.6 permite a atacantes remotos causar una denegaci\u00f3n de servicio (crash) o probablemente ejecutar c\u00f3digo de forma arbitraria a trav\u00e9s de una cadena larga en el nombre de un caracter de un archivo de fuentes BDF."
          }
        ],
        "id": "CVE-2013-6462",
        "lastModified": "2026-06-17T00:00:32.400",
        "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": "2014-01-09T18:55:04.167",
        "references": [
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Exploit",
              "Patch"
            ],
            "url": "http://cgit.freedesktop.org/xorg/lib/libXfont/commit/?id=4d024ac10f964f6bd372ae0dd14f02772a6e5f63"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://lists.opensuse.org/opensuse-updates/2014-01/msg00050.html"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://lists.opensuse.org/opensuse-updates/2014-01/msg00052.html"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://lists.x.org/archives/xorg-announce/2014-January/002389.html"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://osvdb.org/101842"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://rhn.redhat.com/errata/RHSA-2014-0018.html"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://seclists.org/oss-sec/2014/q1/33"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://secunia.com/advisories/56240"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://secunia.com/advisories/56336"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://secunia.com/advisories/56357"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://secunia.com/advisories/56371"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.debian.org/security/2014/dsa-2838"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.oracle.com/technetwork/topics/security/cpuapr2014-1972952.html"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.securityfocus.com/bid/64694"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.ubuntu.com/usn/USN-2078-1"
          },
          {
            "source": "secalert@redhat.com",
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/90123"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Exploit",
              "Patch"
            ],
            "url": "http://cgit.freedesktop.org/xorg/lib/libXfont/commit/?id=4d024ac10f964f6bd372ae0dd14f02772a6e5f63"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://lists.opensuse.org/opensuse-updates/2014-01/msg00050.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://lists.opensuse.org/opensuse-updates/2014-01/msg00052.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://lists.x.org/archives/xorg-announce/2014-January/002389.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://osvdb.org/101842"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://rhn.redhat.com/errata/RHSA-2014-0018.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://seclists.org/oss-sec/2014/q1/33"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://secunia.com/advisories/56240"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://secunia.com/advisories/56336"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://secunia.com/advisories/56357"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://secunia.com/advisories/56371"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.debian.org/security/2014/dsa-2838"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.oracle.com/technetwork/topics/security/cpuapr2014-1972952.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.securityfocus.com/bid/64694"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.ubuntu.com/usn/USN-2078-1"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/90123"
          }
        ],
        "sourceIdentifier": "secalert@redhat.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-119"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Important",
      "current_release_date": "2025-11-21T12:36:37+00:00",
      "cve": "CVE-2013-6462",
      "id": "CVE-2013-6462",
      "initial_release_date": "2013-01-01T00:00:00+00:00",
      "product_status:fixed": "218",
      "product_status:known_not_affected": "3",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "libXfont: stack-based buffer overflow flaw when parsing Glyph Bitmap Distribution Format (BDF) fonts",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2013/cve-2013-6462.json",
      "version": "3"
    }
  }
}



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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.



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.