FKIE_CVE-2013-4396

Vulnerability from fkie_nvd - Published: 2013-10-10 10:55 - Updated: 2026-06-16 23:57
Severity
Summary
Use-after-free vulnerability in the doImageText function in dix/dixfonts.c in the xorg-server module before 1.14.4 in X.Org X11 allows remote authenticated users to cause a denial of service (daemon crash) or possibly execute arbitrary code via a crafted ImageText request that triggers memory-allocation failure.
References
secalert@redhat.comhttp://lists.opensuse.org/opensuse-updates/2013-10/msg00056.html
secalert@redhat.comhttp://lists.opensuse.org/opensuse-updates/2013-10/msg00060.html
secalert@redhat.comhttp://lists.x.org/archives/xorg-announce/2013-October/002332.htmlVendor Advisory
secalert@redhat.comhttp://openwall.com/lists/oss-security/2013/10/08/6
secalert@redhat.comhttp://rhn.redhat.com/errata/RHSA-2013-1426.html
secalert@redhat.comhttp://www.debian.org/security/2013/dsa-2784
secalert@redhat.comhttp://www.securityfocus.com/bid/62892
secalert@redhat.comhttp://www.ubuntu.com/usn/USN-1990-1
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1014561Patch
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-updates/2013-10/msg00056.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-updates/2013-10/msg00060.html
af854a3a-2127-422b-91ae-364da2661108http://lists.x.org/archives/xorg-announce/2013-October/002332.htmlVendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://openwall.com/lists/oss-security/2013/10/08/6
af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2013-1426.html
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2013/dsa-2784
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/62892
af854a3a-2127-422b-91ae-364da2661108http://www.ubuntu.com/usn/USN-1990-1
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=1014561Patch
Impacted products
Vendor Product Version
x x.org_x11 6.0
x x.org_x11 6.1
x x.org_x11 6.3
x x.org_x11 6.4
x x.org_x11 6.5.1
x x.org_x11 6.6
x x.org_x11 6.7
x x.org_x11 6.8
x x.org_x11 6.8.1
x x.org_x11 6.8.2
x x.org_x11 6.9.0
x x.org_x11 7.0
x x.org_x11 7.1
x x.org_x11 7.2
x x.org_x11 7.3
x x.org_x11 7.4
x x.org_x11 7.5
x x.org_x11 7.5
x x.org_x11 7.6
x x.org_x11 7.6
x x.org_x11 7.7
x x.org_x11 7.7
To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Use-after-free vulnerability in the doImageText function in dix/dixfonts.c in the xorg-server module before 1.14.4 in X.Org X11 allows remote authenticated users to cause a denial of service (daemon crash) or possibly execute arbitrary code via a crafted ImageText request that triggers memory-allocation failure."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de uso despu\u00e9s de liberaci\u00f3n en la funci\u00f3n dolmageText en dix/dixfonts.c del m\u00f3dulo xorg-server anterior a la versi\u00f3n 1.14.4 en X.Org X11 permite a usuarios remotos autenticados provocar una denegaci\u00f3n de servicio (cuelgue del demonio) o posiblemente ejecutar c\u00f3digo arbitrario a trav\u00e9s de una petici\u00f3n ImageText manipulada que provoque un fallo de reubicaci\u00f3n de memoria."
    }
  ],
  "evaluatorComment": "Per:  https://bugzilla.redhat.com/show_bug.cgi?id=1014561\n\n\"\u0027 A malicious, authorized client could use this flaw to crash the X.Org server or, potentially, execute arbitrary code with root privileges.\u0027",
  "id": "CVE-2013-4396",
  "lastModified": "2026-06-16T23:57:09.433",
  "metrics": {
    "cvssMetricV2": [
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        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.0,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
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  "published": "2013-10-10T10:55:06.473",
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      "source": "secalert@redhat.com",
      "url": "http://lists.opensuse.org/opensuse-updates/2013-10/msg00056.html"
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      "source": "secalert@redhat.com",
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    {
      "source": "secalert@redhat.com",
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      "url": "http://www.securityfocus.com/bid/62892"
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      "source": "secalert@redhat.com",
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  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
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          "lang": "en",
          "value": "CWE-399"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
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}



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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.