Vulnerability-Lookup

CVE-2016-4449 (GCVE-0-2016-4449)

Vulnerability from cvelistv5 – Published: 2016-06-09 16:00 – Updated: 2024-08-06 00:32

Summary

XML external entity (XXE) vulnerability in the xmlStringLenDecodeEntities function in parser.c in libxml2 before 2.9.4, when not in validating mode, allows context-dependent attackers to read arbitrary files or cause a denial of service (resource consumption) via unspecified vectors.

Severity

7.1 (High)


                        
                          CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

CWE

Assigner

redhat CNA under the redhat root

CNA scorecard B 81/100 over 982 records in the last 180 days details

References

30 references

URL	Tags
http://www.oracle.com/technetwork/topics/security…	x_refsource_CONFIRM
https://support.cybozu.com/ja-jp/article/9735	x_refsource_CONFIRM
https://kc.mcafee.com/corporate/index?page=conten…	x_refsource_CONFIRM
http://www.slackware.com/security/viewer.php?l=sl…	vendor-advisoryx_refsource_SLACKWARE
http://www.oracle.com/technetwork/security-adviso…	x_refsource_CONFIRM
http://jvn.jp/en/jp/JVN17535578/index.html	third-party-advisoryx_refsource_JVN
https://access.redhat.com/errata/RHSA-2016:1292	vendor-advisoryx_refsource_REDHAT
http://www.openwall.com/lists/oss-security/2016/05/25/2	mailing-listx_refsource_MLIST
https://www.debian.org/security/2016/dsa-3593	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
http://xmlsoft.org/news.html	x_refsource_CONFIRM
https://support.apple.com/HT206901	x_refsource_CONFIRM
http://www.ubuntu.com/usn/USN-2994-1	vendor-advisoryx_refsource_UBUNTU
http://www.oracle.com/technetwork/topics/security…	x_refsource_CONFIRM
http://lists.apple.com/archives/security-announce…	vendor-advisoryx_refsource_APPLE
http://jvndb.jvn.jp/en/contents/2017/JVNDB-2017-0…	third-party-advisoryx_refsource_JVNDB
http://lists.apple.com/archives/security-announce…	vendor-advisoryx_refsource_APPLE
https://www.tenable.com/security/tns-2016-18	x_refsource_CONFIRM
http://www.securityfocus.com/bid/90865	vdb-entryx_refsource_BID
https://git.gnome.org/browse/libxml2/commit/?id=b…	x_refsource_CONFIRM
http://rhn.redhat.com/errata/RHSA-2016-2957.html	vendor-advisoryx_refsource_REDHAT
https://support.apple.com/HT206905	x_refsource_CONFIRM
http://www.securitytracker.com/id/1036348	vdb-entryx_refsource_SECTRACK
https://support.apple.com/HT206903	x_refsource_CONFIRM
https://support.apple.com/HT206902	x_refsource_CONFIRM
https://support.apple.com/HT206904	x_refsource_CONFIRM
https://h20566.www2.hpe.com/portal/site/hpsc/publ…	x_refsource_CONFIRM
https://support.apple.com/HT206899	x_refsource_CONFIRM

Date Public

2016-05-23 00:00

Show details on NVD website

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                "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H",
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        "sourceIdentifier": "secalert@redhat.com",
        "vulnStatus": "Modified",
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    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-09-21T05:34:46+00:00",
      "cve": "CVE-2016-4449",
      "id": "CVE-2016-4449",
      "initial_release_date": "2016-05-23T00:00:00+00:00",
      "product_status:fixed": "145",
      "product_status:known_affected": "2",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "libxml2: Inappropriate fetch of entities content",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2016/cve-2016-4449.json",
      "version": "3"
    }
  }
}

GSD-2016-4449

Vulnerability from gsd - Updated: 2023-12-13 01:21

Details

Aliases

CVE-2016-4449

Aliases

CVE-2016-4449

JSON

To clipboard

{
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    "alias": "CVE-2016-4449",
    "description": "XML external entity (XXE) vulnerability in the xmlStringLenDecodeEntities function in parser.c in libxml2 before 2.9.4, when not in validating mode, allows context-dependent attackers to read arbitrary files or cause a denial of service (resource consumption) via unspecified vectors.",
    "id": "GSD-2016-4449",
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      "https://linux.oracle.com/cve/CVE-2016-4449.html"
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      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
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                "cpe23Uri": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "2.9.3",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "secalert@redhat.com",
          "ID": "CVE-2016-4449"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "XML external entity (XXE) vulnerability in the xmlStringLenDecodeEntities function in parser.c in libxml2 before 2.9.4, when not in validating mode, allows context-dependent attackers to read arbitrary files or cause a denial of service (resource consumption) via unspecified vectors."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-20"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "DSA-3593",
              "refsource": "DEBIAN",
              "tags": [],
              "url": "https://www.debian.org/security/2016/dsa-3593"
            },
            {
              "name": "USN-2994-1",
              "refsource": "UBUNTU",
              "tags": [],
              "url": "http://www.ubuntu.com/usn/USN-2994-1"
            },
            {
              "name": "[oss-security] 20160525 3 libxml2 issues",
              "refsource": "MLIST",
              "tags": [],
              "url": "http://www.openwall.com/lists/oss-security/2016/05/25/2"
            },
            {
              "name": "http://xmlsoft.org/news.html",
              "refsource": "CONFIRM",
              "tags": [],
              "url": "http://xmlsoft.org/news.html"
            },
            {
              "name": "https://git.gnome.org/browse/libxml2/commit/?id=b1d34de46a11323fccffa9fadeb33be670d602f5",
              "refsource": "CONFIRM",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://git.gnome.org/browse/libxml2/commit/?id=b1d34de46a11323fccffa9fadeb33be670d602f5"
            },
            {
              "name": "SSA:2016-148-01",
              "refsource": "SLACKWARE",
              "tags": [],
              "url": "http://www.slackware.com/security/viewer.php?l=slackware-security\u0026y=2016\u0026m=slackware-security.404722"
            },
            {
              "name": "RHSA-2016:1292",
              "refsource": "REDHAT",
              "tags": [],
              "url": "https://access.redhat.com/errata/RHSA-2016:1292"
            },
            {
              "name": "APPLE-SA-2016-07-18-4",
              "refsource": "APPLE",
              "tags": [],
              "url": "http://lists.apple.com/archives/security-announce/2016/Jul/msg00003.html"
            },
            {
              "name": "APPLE-SA-2016-07-18-1",
              "refsource": "APPLE",
              "tags": [],
              "url": "http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.html"
            },
            {
              "name": "https://support.apple.com/HT206904",
              "refsource": "CONFIRM",
              "tags": [],
              "url": "https://support.apple.com/HT206904"
            },
            {
              "name": "https://support.apple.com/HT206899",
              "refsource": "CONFIRM",
              "tags": [],
              "url": "https://support.apple.com/HT206899"
            },
            {
              "name": "https://support.apple.com/HT206902",
              "refsource": "CONFIRM",
              "tags": [],
              "url": "https://support.apple.com/HT206902"
            },
            {
              "name": "APPLE-SA-2016-07-18-2",
              "refsource": "APPLE",
              "tags": [],
              "url": "http://lists.apple.com/archives/security-announce/2016/Jul/msg00001.html"
            },
            {
              "name": "APPLE-SA-2016-07-18-6",
              "refsource": "APPLE",
              "tags": [],
              "url": "http://lists.apple.com/archives/security-announce/2016/Jul/msg00005.html"
            },
            {
              "name": "https://support.apple.com/HT206905",
              "refsource": "CONFIRM",
              "tags": [],
              "url": "https://support.apple.com/HT206905"
            },
            {
              "name": "https://support.apple.com/HT206903",
              "refsource": "CONFIRM",
              "tags": [],
              "url": "https://support.apple.com/HT206903"
            },
            {
              "name": "APPLE-SA-2016-07-18-3",
              "refsource": "APPLE",
              "tags": [],
              "url": "http://lists.apple.com/archives/security-announce/2016/Jul/msg00002.html"
            },
            {
              "name": "https://support.apple.com/HT206901",
              "refsource": "CONFIRM",
              "tags": [],
              "url": "https://support.apple.com/HT206901"
            },
            {
              "name": "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05194709",
              "refsource": "CONFIRM",
              "tags": [],
              "url": "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05194709"
            },
            {
              "name": "http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html",
              "refsource": "CONFIRM",
              "tags": [],
              "url": "http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html"
            },
            {
              "name": "http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html",
              "refsource": "CONFIRM",
              "tags": [],
              "url": "http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html"
            },
            {
              "name": "90865",
              "refsource": "BID",
              "tags": [],
              "url": "http://www.securityfocus.com/bid/90865"
            },
            {
              "name": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10170",
              "refsource": "CONFIRM",
              "tags": [],
              "url": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10170"
            },
            {
              "name": "https://www.tenable.com/security/tns-2016-18",
              "refsource": "CONFIRM",
              "tags": [],
              "url": "https://www.tenable.com/security/tns-2016-18"
            },
            {
              "name": "https://support.cybozu.com/ja-jp/article/9735",
              "refsource": "CONFIRM",
              "tags": [],
              "url": "https://support.cybozu.com/ja-jp/article/9735"
            },
            {
              "name": "JVNDB-2017-000066",
              "refsource": "JVNDB",
              "tags": [],
              "url": "http://jvndb.jvn.jp/en/contents/2017/JVNDB-2017-000066.html"
            },
            {
              "name": "JVN#17535578",
              "refsource": "JVN",
              "tags": [],
              "url": "http://jvn.jp/en/jp/JVN17535578/index.html"
            },
            {
              "name": "1036348",
              "refsource": "SECTRACK",
              "tags": [],
              "url": "http://www.securitytracker.com/id/1036348"
            },
            {
              "name": "RHSA-2016:2957",
              "refsource": "REDHAT",
              "tags": [],
              "url": "http://rhn.redhat.com/errata/RHSA-2016-2957.html"
            },
            {
              "name": "http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html",
              "refsource": "CONFIRM",
              "tags": [],
              "url": "http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 5.8,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 8.6,
          "impactScore": 4.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": true
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H",
            "version": "3.0"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 5.2
        }
      },
      "lastModifiedDate": "2018-01-18T18:18Z",
      "publishedDate": "2016-06-09T16:59Z"
    }
  }
}

JVNDB-2017-000066

Vulnerability from jvndb - Published: 2017-04-11 07:05 - Updated:2017-04-11 07:05

Severity

7.5 (High) - cvssV3_0 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Summary

The API in Cybozu Office vulnerable to denial-of-service (DoS)

Details

The API in Cybozu Office contains a denial-of-service (DoS) vulnerability. Cybozu, Inc. reported this vulnerabilities to JPCERT/CC to notify users of its solution through JVN. JPCERT/CC and Cybozu, Inc. coordinated under the Information Security Early Warning Partnership.

References

Type

URL

	JVN	http://jvn.jp/en/jp/JVN17535578/index.html
	CVE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4449
	NVD	https://nvd.nist.gov/vuln/detail/CVE-2016-4449
	Improper Input Validation(CWE-20)	https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html

Impacted products

Vendor

Product

Cybozu, Inc.

Cybozu Office

Show details on JVN DB website

JSON

To clipboard

{
  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2017/JVNDB-2017-000066.html",
  "dc:date": "2017-04-11T16:05+09:00",
  "dcterms:issued": "2017-04-11T16:05+09:00",
  "dcterms:modified": "2017-04-11T16:05+09:00",
  "description": "The API in Cybozu Office contains a denial-of-service (DoS) vulnerability.\r\n\r\nCybozu, Inc. reported this vulnerabilities to JPCERT/CC to notify users of its solution through JVN. JPCERT/CC and Cybozu, Inc. coordinated under the Information Security Early Warning Partnership.",
  "link": "https://jvndb.jvn.jp/en/contents/2017/JVNDB-2017-000066.html",
  "sec:cpe": {
    "#text": "cpe:/a:cybozu:office",
    "@product": "Cybozu Office",
    "@vendor": "Cybozu, Inc.",
    "@version": "2.2"
  },
  "sec:cvss": [
    {
      "@score": "7.8",
      "@severity": "High",
      "@type": "Base",
      "@vector": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
      "@version": "2.0"
    },
    {
      "@score": "7.5",
      "@severity": "High",
      "@type": "Base",
      "@vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "@version": "3.0"
    }
  ],
  "sec:identifier": "JVNDB-2017-000066",
  "sec:references": [
    {
      "#text": "http://jvn.jp/en/jp/JVN17535578/index.html",
      "@id": "JVN#17535578",
      "@source": "JVN"
    },
    {
      "#text": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4449",
      "@id": "CVE-2016-4449",
      "@source": "CVE"
    },
    {
      "#text": "https://nvd.nist.gov/vuln/detail/CVE-2016-4449",
      "@id": "CVE-2016-4449",
      "@source": "NVD"
    },
    {
      "#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
      "@id": "CWE-20",
      "@title": "Improper Input Validation(CWE-20)"
    }
  ],
  "title": "The API in Cybozu Office vulnerable to denial-of-service (DoS)"
}

RHSA-2016:1292

Vulnerability from csaf_opensuse - Published: 2016-06-23 00:00 - Updated: 2026-09-20 10:56

Summary

security update for libxml2

Severity

Important

Scope

14 vulnerabilities in this advisory, including CVE-2016-4449.

CVE-2016-4449

7.1 (High)


                
                  CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

Recommended: 7 products

Open the full advisory

RHSA-2016:2957

Vulnerability from csaf_redhat - Published: 2016-12-15 22:11 - Updated: 2026-09-21 05:32

Summary

Red Hat Security Advisory: Red Hat JBoss Core Services Apache HTTP 2.4.23 Release

Severity

Important

Scope

44 vulnerabilities in this advisory, including CVE-2016-4449.

CVE-2016-4449

4.3 ()


                
                  AV:N/AC:M/Au:N/C:N/I:P/A:N

Fixed: 1 product

https://access.redhat.com/errata/RHSA-2016:2957

Open the full advisory

SUSE-SU-2016:1538-1

Vulnerability from csaf_suse - Published: 2016-06-09 12:41 - Updated: 2026-09-20 12:14

Summary

Security update for libxml2

Severity

Important

Scope

15 vulnerabilities in this advisory, including CVE-2016-4449.

CVE-2016-4449

7.1 (High)


                
                  CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

Recommended: 50 products

Open the full advisory

SUSE-SU-2016:1604-1

Vulnerability from csaf_suse - Published: 2016-06-17 09:21 - Updated: 2026-09-20 12:14

Summary

Security update for libxml2

Severity

Important

Scope

15 vulnerabilities in this advisory, including CVE-2016-4449.

CVE-2016-4449

7.1 (High)


                
                  CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

Recommended: 147 products

Open the full advisory

SUSE-SU-2017:2699-1

Vulnerability from csaf_suse - Published: 2017-10-10 19:37 - Updated: 2026-10-11 11:41

Summary

Security update for SLES 12 Docker image

Severity

Important

Scope

140 vulnerabilities in this advisory, including CVE-2016-4449.

CVE-2016-4449

7.1 (High)


                
                  CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

Recommended: 36 products

Open the full advisory

SUSE-SU-2017:2700-1

Vulnerability from csaf_suse - Published: 2017-10-10 19:37 - Updated: 2026-10-11 11:41

Summary

Security update for SLES 12-SP1 Docker image

Severity

Important

Scope

143 vulnerabilities in this advisory, including CVE-2016-4449.

CVE-2016-4449

7.1 (High)


                
                  CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

Recommended: 36 products

Open the full advisory

UBUNTU-CVE-2016-4449 (CVE-2016-4449)

Vulnerability from osv_ubuntu – Published: 2016-05-30 00:00 – Updated: 2026-04-22 07:37 – Source website

Details

Severity

7.1 (High)


                    
                      CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

N/A (UNKNOWN)

low

References

URL

Type

	https://ubuntu.com/security/CVE-2016-4449	REPORT
	https://ubuntu.com/security/notices/USN-2994-1	ADVISORY
	https://www.cve.org/CVERecord?id=CVE-2016-4449	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libxml2",
            "binary_version": "2.9.1+dfsg1-3ubuntu4.8"
          },
          {
            "binary_name": "libxml2-utils",
            "binary_version": "2.9.1+dfsg1-3ubuntu4.8"
          },
          {
            "binary_name": "python-libxml2",
            "binary_version": "2.9.1+dfsg1-3ubuntu4.8"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:14.04:LTS",
        "name": "libxml2",
        "purl": "pkg:deb/ubuntu/libxml2@2.9.1+dfsg1-3ubuntu4.8?arch=source\u0026distro=trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.9.1+dfsg1-3ubuntu4.8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.9.1+dfsg1-3ubuntu2",
        "2.9.1+dfsg1-3ubuntu3",
        "2.9.1+dfsg1-3ubuntu4",
        "2.9.1+dfsg1-3ubuntu4.1",
        "2.9.1+dfsg1-3ubuntu4.2",
        "2.9.1+dfsg1-3ubuntu4.3",
        "2.9.1+dfsg1-3ubuntu4.4",
        "2.9.1+dfsg1-3ubuntu4.5",
        "2.9.1+dfsg1-3ubuntu4.6",
        "2.9.1+dfsg1-3ubuntu4.7"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libxml2",
            "binary_version": "2.9.3+dfsg1-1ubuntu0.1"
          },
          {
            "binary_name": "libxml2-utils",
            "binary_version": "2.9.3+dfsg1-1ubuntu0.1"
          },
          {
            "binary_name": "python-libxml2",
            "binary_version": "2.9.3+dfsg1-1ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "libxml2",
        "purl": "pkg:deb/ubuntu/libxml2@2.9.3+dfsg1-1ubuntu0.1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.9.3+dfsg1-1ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.9.2+zdfsg1-4",
        "2.9.2+zdfsg1-4ubuntu1",
        "2.9.2+zdfsg1-4ubuntu2",
        "2.9.2+zdfsg1-4ubuntu3",
        "2.9.3+dfsg1-1"
      ]
    }
  ],
  "aliases": [],
  "details": "XML external entity (XXE) vulnerability in the xmlStringLenDecodeEntities function in parser.c in libxml2 before 2.9.4, when not in validating mode, allows context-dependent attackers to read arbitrary files or cause a denial of service (resource consumption) via unspecified vectors.",
  "id": "UBUNTU-CVE-2016-4449",
  "modified": "2026-04-22T07:37:58Z",
  "published": "2016-05-30T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2016-4449"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-2994-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2016-4449"
    }
  ],
  "related": [
    "USN-2994-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "low",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2016-4449"
  ]
}

WID-SEC-W-2023-1614

Vulnerability from csaf_certbund - Published: 2023-06-29 22:00 - Updated: 2023-10-25 22:00

Summary

Tenable Security Nessus Network Monitor: Mehrere Schwachstellen

Severity

Hoch

Scope

173 vulnerabilities in this advisory, including CVE-2016-4449.

CVE-2016-4449

In Tenable Security Nessus Network Monitor existieren mehrere Schwachstellen. Die Fehler bestehen unter anderem in Komponenten von Drittanbietern wie c-ares, curl, libbzip2, libpcre, libxml2, sqlite und OpenSSL. Ein Angreifer kann diese Schwachstellen ausnutzen, um beliebigen Code auszuführen, vertrauliche Informationen offenzulegen, einen Denial-of-Service-Zustand auszulösen und Daten zu manipulieren. Die erfolgreiche Ausnutzung einiger dieser Schwachstellen erfordert eine Benutzerinteraktion oder erhöhte Rechte.

Open the full advisory

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.

Action not permitted

CVE-2016-4449 (GCVE-0-2016-4449)

UBUNTU-CVE-2016-4449 (CVE-2016-4449)

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