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CVE-2015-8317 (GCVE-0-2015-8317)

Vulnerability from cvelistv5 – Published: 2015-12-15 21:00 – Updated: 2024-08-06 08:13
VLAI
Summary
The xmlParseXMLDecl function in parser.c in libxml2 before 2.9.3 allows context-dependent attackers to obtain sensitive information via an (1) unterminated encoding value or (2) incomplete XML declaration in XML data, which triggers an out-of-bounds heap read.
Severity
No CVSS data available.
CWE
  • n/a
References
URL Tags
http://lists.opensuse.org/opensuse-updates/2016-0… vendor-advisoryx_refsource_SUSE
https://bugzilla.redhat.com/show_bug.cgi?id=1281930 x_refsource_CONFIRM
http://www.debian.org/security/2015/dsa-3430 vendor-advisoryx_refsource_DEBIAN
http://lists.apple.com/archives/security-announce… vendor-advisoryx_refsource_APPLE
http://lists.apple.com/archives/security-announce… vendor-advisoryx_refsource_APPLE
http://lists.apple.com/archives/security-announce… vendor-advisoryx_refsource_APPLE
https://support.apple.com/HT206901 x_refsource_CONFIRM
http://rhn.redhat.com/errata/RHSA-2016-1089.html vendor-advisoryx_refsource_REDHAT
https://bugzilla.gnome.org/show_bug.cgi?id=751603 x_refsource_CONFIRM
https://git.gnome.org/browse/libxml2/commit/?id=9… x_refsource_CONFIRM
http://www.oracle.com/technetwork/topics/security… x_refsource_CONFIRM
http://www.securityfocus.com/bid/91826 vdb-entryx_refsource_BID
http://www.ubuntu.com/usn/USN-2834-1 vendor-advisoryx_refsource_UBUNTU
http://lists.apple.com/archives/security-announce… vendor-advisoryx_refsource_APPLE
http://lists.apple.com/archives/security-announce… vendor-advisoryx_refsource_APPLE
http://www.securitytracker.com/id/1034243 vdb-entryx_refsource_SECTRACK
http://rhn.redhat.com/errata/RHSA-2015-2549.html vendor-advisoryx_refsource_REDHAT
https://blog.fuzzing-project.org/28-Libxml2-Sever… x_refsource_MISC
http://marc.info/?l=bugtraq&m=145382616617563&w=2 vendor-advisoryx_refsource_HP
https://git.gnome.org/browse/libxml2/commit/?id=7… x_refsource_CONFIRM
http://www.securityfocus.com/bid/77681 vdb-entryx_refsource_BID
http://www.openwall.com/lists/oss-security/2015/11/22/3 mailing-listx_refsource_MLIST
https://h20566.www2.hpe.com/portal/site/hpsc/publ… x_refsource_CONFIRM
http://www.oracle.com/technetwork/topics/security… x_refsource_CONFIRM
http://www.openwall.com/lists/oss-security/2015/11/21/1 mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-updates/2015-1… vendor-advisoryx_refsource_SUSE
https://support.apple.com/HT206905 x_refsource_CONFIRM
https://support.apple.com/HT206903 x_refsource_CONFIRM
https://bugzilla.gnome.org/show_bug.cgi?id=751631 x_refsource_CONFIRM
https://support.apple.com/HT206902 x_refsource_CONFIRM
https://support.apple.com/HT206904 x_refsource_CONFIRM
https://support.apple.com/HT206899 x_refsource_CONFIRM
Date Public
2015-11-20 00:00
Show details on NVD website

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              "name": "APPLE-SA-2016-07-18-1",
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            },
            {
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              "name": "https://support.apple.com/HT206904",
              "refsource": "CONFIRM",
              "url": "https://support.apple.com/HT206904"
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  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2015-8317",
    "datePublished": "2015-12-15T21:00:00.000Z",
    "dateReserved": "2015-11-22T00:00:00.000Z",
    "dateUpdated": "2024-08-06T08:13:32.133Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2015-8317",
      "date": "2026-09-17",
      "epss": "0.05859",
      "percentile": "0.92828"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2015-8317\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2015-12-15T21:59:09.560\",\"lastModified\":\"2026-05-06T22:30:45.220\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The xmlParseXMLDecl function in parser.c in libxml2 before 2.9.3 allows context-dependent attackers to obtain sensitive information via an (1) unterminated encoding value or (2) incomplete XML declaration in XML data, which triggers an out-of-bounds heap read.\"},{\"lang\":\"es\",\"value\":\"La funci\u00f3n xmlParseXMLDecl en parser.c en libxml2 en versiones anteriores a 2.9.3 permite a atacantes dependientes del contexto obtener informaci\u00f3n sensible a trav\u00e9s de (1) un valor de codificiaci\u00f3n indeterminado o (2) una declaraci\u00f3n XML incompleta en datos XML, lo que desencadena una lectura de memoria din\u00e1mica fuera de 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    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-05-14T18:38:34+00:00",
      "cve": "CVE-2015-8317",
      "id": "CVE-2015-8317",
      "initial_release_date": "2015-06-29T00:00:00+00:00",
      "product_status:fixed": "481",
      "product_status:known_affected": "2",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "libxml2: Out-of-bounds heap read when parsing file with unfinished xml declaration",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2015/cve-2015-8317.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.

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Detection rules are retrieved from Rulezet.

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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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