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CVE-2015-5312 (GCVE-0-2015-5312)

Vulnerability from cvelistv5 – Published: 2015-12-15 21:00 – Updated: 2024-08-06 06:41
VLAI
Summary
The xmlStringLenDecodeEntities function in parser.c in libxml2 before 2.9.3 does not properly prevent entity expansion, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted XML data, a different vulnerability than CVE-2014-3660.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
http://rhn.redhat.com/errata/RHSA-2015-2550.html vendor-advisoryx_refsource_REDHAT
http://lists.apple.com/archives/security-announce… vendor-advisoryx_refsource_APPLE
http://lists.opensuse.org/opensuse-updates/2016-0… vendor-advisoryx_refsource_SUSE
https://support.apple.com/HT206167 x_refsource_CONFIRM
https://support.apple.com/HT206168 x_refsource_CONFIRM
http://www.debian.org/security/2015/dsa-3430 vendor-advisoryx_refsource_DEBIAN
https://git.gnome.org/browse/libxml2/commit/?id=6… x_refsource_CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=1276693 x_refsource_CONFIRM
http://lists.apple.com/archives/security-announce… vendor-advisoryx_refsource_APPLE
http://xmlsoft.org/news.html x_refsource_CONFIRM
http://rhn.redhat.com/errata/RHSA-2016-1089.html vendor-advisoryx_refsource_REDHAT
http://www.oracle.com/technetwork/topics/security… x_refsource_CONFIRM
http://lists.apple.com/archives/security-announce… vendor-advisoryx_refsource_APPLE
http://www.ubuntu.com/usn/USN-2834-1 vendor-advisoryx_refsource_UBUNTU
http://www.securitytracker.com/id/1034243 vdb-entryx_refsource_SECTRACK
http://rhn.redhat.com/errata/RHSA-2015-2549.html vendor-advisoryx_refsource_REDHAT
http://marc.info/?l=bugtraq&m=145382616617563&w=2 vendor-advisoryx_refsource_HP
https://h20566.www2.hpe.com/portal/site/hpsc/publ… x_refsource_CONFIRM
http://www.oracle.com/technetwork/topics/security… x_refsource_CONFIRM
https://security.gentoo.org/glsa/201701-37 vendor-advisoryx_refsource_GENTOO
http://lists.opensuse.org/opensuse-updates/2015-1… vendor-advisoryx_refsource_SUSE
http://lists.apple.com/archives/security-announce… vendor-advisoryx_refsource_APPLE
https://support.apple.com/HT206169 x_refsource_CONFIRM
https://support.apple.com/HT206166 x_refsource_CONFIRM
http://www.securityfocus.com/bid/79536 vdb-entryx_refsource_BID
Date Public
2015-11-20 00:00
Show details on NVD website
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      "sourceIdentifier": "secalert@redhat.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-399\"}]}]"
    },
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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-05-14T18:02:33+00:00",
      "cve": "CVE-2015-5312",
      "id": "CVE-2015-5312",
      "initial_release_date": "2015-12-01T00:00:00+00:00",
      "product_status:fixed": "481",
      "product_status:known_affected": "2",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "libxml2: CPU exhaustion when processing specially crafted XML input",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2015/cve-2015-5312.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-03T01:02:45Z",
      "cve": "CVE-2015-5312",
      "id": "CVE-2015-5312",
      "initial_release_date": "2023-02-15T05:16:14Z",
      "product_status:known_affected": "400",
      "product_status:known_not_affected": "102",
      "product_status:recommended": "533",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2015-5312",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2015-5312.json",
      "version": "43"
    }
  }
}



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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.


Detection rules are retrieved from Rulezet.


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.