Vulnerability-Lookup

CVE-2016-1983 (GCVE-0-2016-1983)

Vulnerability from cvelistv5 – Published: 2016-01-27 20:00 – Updated: 2024-08-05 23:17

Summary

The client_host function in parsers.c in Privoxy before 3.0.24 allows remote attackers to cause a denial of service (invalid read and crash) via an empty HTTP Host header.

Severity

7.5 (High)


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

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2261 records in the last 180 days details

References

7 references

URL	Tags
http://www.debian.org/security/2016/dsa-3460	vendor-advisoryx_refsource_DEBIAN
http://www.openwall.com/lists/oss-security/2016/01/22/3	mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2016/01/21/4	mailing-listx_refsource_MLIST
http://ijbswa.cvs.sourceforge.net/viewvc/ijbswa/c…	x_refsource_CONFIRM
http://lists.fedoraproject.org/pipermail/package-…	vendor-advisoryx_refsource_FEDORA
http://lists.fedoraproject.org/pipermail/package-…	vendor-advisoryx_refsource_FEDORA
http://www.privoxy.org/announce.txt	x_refsource_CONFIRM

Date Public

2016-01-21 00:00

Show details on NVD website

JSON

To clipboard

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        "metrics": {
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      "id": "CVE-2016-1983",
      "initial_release_date": "2016-01-21T00:00:00+00:00",
      "product_status:known_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "privoxy: invalid read via empty host header in client request",
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      "version": "3"
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}

CNVD-2016-00793

Vulnerability from cnvd - Published: 2016-02-03

Title

Privoxy 'client_host'函数拒绝服务漏洞

Description

Privoxy是Privoxy团队开发的一款带过滤功能的代理服务器。 Privoxy的parsers.c文件中的'client_host'函数存在安全漏洞，允许远程攻击者可利用空的HTTP Host头利进行拒绝服务攻击。

Severity

中

Patch Name

Privoxy 'client_host'函数拒绝服务漏洞的补丁

Patch Description

Privoxy是Privoxy团队开发的一款带过滤功能的代理服务器。 Privoxy的parsers.c文件中的'client_host'函数存在安全漏洞，允许远程攻击者可利用空的HTTP Host头利进行拒绝服务攻击。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

用户可参考如下厂商提供的安全补丁以修复该漏洞： http://www.privoxy.org/announce.txt

Reference

http://ijbswa.cvs.sourceforge.net/viewvc/ijbswa/current/parsers.c?r1=1.302&r2=1.303 http://www.securityfocus.com/bid/81554

Impacted products

Name
Privoxy Privoxy

Show details on source website

JSON

To clipboard

{
  "bids": {
    "bid": {
      "bidNumber": "81554"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-1983"
    }
  },
  "description": "Privoxy\u662fPrivoxy\u56e2\u961f\u5f00\u53d1\u7684\u4e00\u6b3e\u5e26\u8fc7\u6ee4\u529f\u80fd\u7684\u4ee3\u7406\u670d\u52a1\u5668\u3002\r\n\r\nPrivoxy\u7684parsers.c\u6587\u4ef6\u4e2d\u7684\u0027client_host\u0027\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u5141\u8bb8\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u7a7a\u7684HTTP Host\u5934\u5229\u8fdb\u884c\u62d2\u7edd\u670d\u52a1\u653b\u51fb\u3002",
  "discovererName": "Fabian Keil",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u5382\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u8865\u4e01\u4ee5\u4fee\u590d\u8be5\u6f0f\u6d1e\uff1a\r\nhttp://www.privoxy.org/announce.txt",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-00793",
  "openTime": "2016-02-03",
  "patchDescription": "Privoxy\u662fPrivoxy\u56e2\u961f\u5f00\u53d1\u7684\u4e00\u6b3e\u5e26\u8fc7\u6ee4\u529f\u80fd\u7684\u4ee3\u7406\u670d\u52a1\u5668\u3002\r\n\r\nPrivoxy\u7684parsers.c\u6587\u4ef6\u4e2d\u7684\u0027client_host\u0027\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u5141\u8bb8\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u7a7a\u7684HTTP Host\u5934\u5229\u8fdb\u884c\u62d2\u7edd\u670d\u52a1\u653b\u51fb\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Privoxy \u0027client_host\u0027\u51fd\u6570\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Privoxy Privoxy"
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  "referenceLink": "http://ijbswa.cvs.sourceforge.net/viewvc/ijbswa/current/parsers.c?r1=1.302\u0026amp;r2=1.303\r\nhttp://www.securityfocus.com/bid/81554",
  "serverity": "\u4e2d",
  "submitTime": "2016-01-30",
  "title": "Privoxy \u0027client_host\u0027\u51fd\u6570\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

FKIE_CVE-2016-1983

Vulnerability from fkie_nvd - Published: 2016-01-27 20:59 - Updated: 2026-06-17 00:43

Severity

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

Summary

The client_host function in parsers.c in Privoxy before 3.0.24 allows remote attackers to cause a denial of service (invalid read and crash) via an empty HTTP Host header.

References

URL	Tags
cve@mitre.org	http://ijbswa.cvs.sourceforge.net/viewvc/ijbswa/current/parsers.c?r1=1.302&r2=1.303
cve@mitre.org	http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176475.html
cve@mitre.org	http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176492.html
cve@mitre.org	http://www.debian.org/security/2016/dsa-3460
cve@mitre.org	http://www.openwall.com/lists/oss-security/2016/01/21/4
cve@mitre.org	http://www.openwall.com/lists/oss-security/2016/01/22/3
cve@mitre.org	http://www.privoxy.org/announce.txt	Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	http://ijbswa.cvs.sourceforge.net/viewvc/ijbswa/current/parsers.c?r1=1.302&r2=1.303
af854a3a-2127-422b-91ae-364da2661108	http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176475.html
af854a3a-2127-422b-91ae-364da2661108	http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176492.html
af854a3a-2127-422b-91ae-364da2661108	http://www.debian.org/security/2016/dsa-3460
af854a3a-2127-422b-91ae-364da2661108	http://www.openwall.com/lists/oss-security/2016/01/21/4
af854a3a-2127-422b-91ae-364da2661108	http://www.openwall.com/lists/oss-security/2016/01/22/3
af854a3a-2127-422b-91ae-364da2661108	http://www.privoxy.org/announce.txt	Vendor Advisory

Impacted products

	Vendor	Product	Version
	privoxy	privoxy	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:privoxy:privoxy:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "134496F0-9094-4783-AC1B-237D9C9D79B6",
              "versionEndIncluding": "3.0.23",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The client_host function in parsers.c in Privoxy before 3.0.24 allows remote attackers to cause a denial of service (invalid read and crash) via an empty HTTP Host header."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n client_host en parsers.c en Privoxy en versiones anteriores a 3.0.24 permite a atacantes remotos causar una denegaci\u00f3n de servicio (lectura no v\u00e1lida y ca\u00edda) a trav\u00e9s de una cabecera HTTP Host vac\u00eda."
    }
  ],
  "id": "CVE-2016-1983",
  "lastModified": "2026-06-17T00:43:01.750",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2016-01-27T20:59:04.297",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "http://ijbswa.cvs.sourceforge.net/viewvc/ijbswa/current/parsers.c?r1=1.302\u0026r2=1.303"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176475.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176492.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.debian.org/security/2016/dsa-3460"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.openwall.com/lists/oss-security/2016/01/21/4"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.openwall.com/lists/oss-security/2016/01/22/3"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://www.privoxy.org/announce.txt"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://ijbswa.cvs.sourceforge.net/viewvc/ijbswa/current/parsers.c?r1=1.302\u0026r2=1.303"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176475.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176492.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.debian.org/security/2016/dsa-3460"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.openwall.com/lists/oss-security/2016/01/21/4"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.openwall.com/lists/oss-security/2016/01/22/3"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://www.privoxy.org/announce.txt"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

GHSA-6FRP-GFC5-Q2XJ

Vulnerability from github – Published: 2022-05-17 03:29 – Updated: 2022-05-17 03:29

Details

The client_host function in parsers.c in Privoxy before 3.0.24 allows remote attackers to cause a denial of service (invalid read and crash) via an empty HTTP Host header.

Severity

7.5 (High)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2016-1983"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-20"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2016-01-27T20:59:00Z",
    "severity": "HIGH"
  },
  "details": "The client_host function in parsers.c in Privoxy before 3.0.24 allows remote attackers to cause a denial of service (invalid read and crash) via an empty HTTP Host header.",
  "id": "GHSA-6frp-gfc5-q2xj",
  "modified": "2022-05-17T03:29:10Z",
  "published": "2022-05-17T03:29:09Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2016-1983"
    },
    {
      "type": "WEB",
      "url": "http://ijbswa.cvs.sourceforge.net/viewvc/ijbswa/current/parsers.c?r1=1.302\u0026r2=1.303"
    },
    {
      "type": "WEB",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176475.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176492.html"
    },
    {
      "type": "WEB",
      "url": "http://www.debian.org/security/2016/dsa-3460"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2016/01/21/4"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2016/01/22/3"
    },
    {
      "type": "WEB",
      "url": "http://www.privoxy.org/announce.txt"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GSD-2016-1983

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

Details

The client_host function in parsers.c in Privoxy before 3.0.24 allows remote attackers to cause a denial of service (invalid read and crash) via an empty HTTP Host header.

Aliases

CVE-2016-1983

Aliases

CVE-2016-1983

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2016-1983",
    "description": "The client_host function in parsers.c in Privoxy before 3.0.24 allows remote attackers to cause a denial of service (invalid read and crash) via an empty HTTP Host header.",
    "id": "GSD-2016-1983",
    "references": [
      "https://www.suse.com/security/cve/CVE-2016-1983.html",
      "https://www.debian.org/security/2016/dsa-3460",
      "https://advisories.mageia.org/CVE-2016-1983.html",
      "https://alas.aws.amazon.com/cve/html/CVE-2016-1983.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2016-1983"
      ],
      "details": "The client_host function in parsers.c in Privoxy before 3.0.24 allows remote attackers to cause a denial of service (invalid read and crash) via an empty HTTP Host header.",
      "id": "GSD-2016-1983",
      "modified": "2023-12-13T01:21:24.881043Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2016-1983",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "The client_host function in parsers.c in Privoxy before 3.0.24 allows remote attackers to cause a denial of service (invalid read and crash) via an empty HTTP Host header."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "DSA-3460",
            "refsource": "DEBIAN",
            "url": "http://www.debian.org/security/2016/dsa-3460"
          },
          {
            "name": "[oss-security] 20160121 Re: CVE request for Privoxy 3.0.24",
            "refsource": "MLIST",
            "url": "http://www.openwall.com/lists/oss-security/2016/01/22/3"
          },
          {
            "name": "[oss-security] 20160121 CVE request for Privoxy 3.0.24",
            "refsource": "MLIST",
            "url": "http://www.openwall.com/lists/oss-security/2016/01/21/4"
          },
          {
            "name": "http://ijbswa.cvs.sourceforge.net/viewvc/ijbswa/current/parsers.c?r1=1.302\u0026r2=1.303",
            "refsource": "CONFIRM",
            "url": "http://ijbswa.cvs.sourceforge.net/viewvc/ijbswa/current/parsers.c?r1=1.302\u0026r2=1.303"
          },
          {
            "name": "FEDORA-2016-bc7acd24c6",
            "refsource": "FEDORA",
            "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176492.html"
          },
          {
            "name": "FEDORA-2016-29995fbd42",
            "refsource": "FEDORA",
            "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176475.html"
          },
          {
            "name": "http://www.privoxy.org/announce.txt",
            "refsource": "CONFIRM",
            "url": "http://www.privoxy.org/announce.txt"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:privoxy:privoxy:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "3.0.23",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2016-1983"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "The client_host function in parsers.c in Privoxy before 3.0.24 allows remote attackers to cause a denial of service (invalid read and crash) via an empty HTTP Host header."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-20"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "http://ijbswa.cvs.sourceforge.net/viewvc/ijbswa/current/parsers.c?r1=1.302\u0026r2=1.303",
              "refsource": "CONFIRM",
              "tags": [],
              "url": "http://ijbswa.cvs.sourceforge.net/viewvc/ijbswa/current/parsers.c?r1=1.302\u0026r2=1.303"
            },
            {
              "name": "[oss-security] 20160121 CVE request for Privoxy 3.0.24",
              "refsource": "MLIST",
              "tags": [],
              "url": "http://www.openwall.com/lists/oss-security/2016/01/21/4"
            },
            {
              "name": "[oss-security] 20160121 Re: CVE request for Privoxy 3.0.24",
              "refsource": "MLIST",
              "tags": [],
              "url": "http://www.openwall.com/lists/oss-security/2016/01/22/3"
            },
            {
              "name": "http://www.privoxy.org/announce.txt",
              "refsource": "CONFIRM",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "http://www.privoxy.org/announce.txt"
            },
            {
              "name": "FEDORA-2016-29995fbd42",
              "refsource": "FEDORA",
              "tags": [],
              "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176475.html"
            },
            {
              "name": "FEDORA-2016-bc7acd24c6",
              "refsource": "FEDORA",
              "tags": [],
              "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176492.html"
            },
            {
              "name": "DSA-3460",
              "refsource": "DEBIAN",
              "tags": [],
              "url": "http://www.debian.org/security/2016/dsa-3460"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 5.0,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM"
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2016-12-06T03:07Z",
      "publishedDate": "2016-01-27T20:59Z"
    }
  }
}

OPENSUSE-SU-2024:10494-1

Vulnerability from csaf_opensuse - Published: 2024-06-15 00:00 - Updated: 2026-09-20 20:00

Summary

privoxy-3.0.26-1.1 on GA media

Severity

Moderate

Scope

8 vulnerabilities in this advisory, including CVE-2016-1983.

CVE-2016-1983

7.5 (High)


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

Recommended: 8 products

Open the full advisory

UBUNTU-CVE-2016-1983 (CVE-2016-1983)

Vulnerability from osv_ubuntu – Published: 2016-01-27 20:59 – Updated: 2025-07-16 04:51 – Source website

Withdrawn 2025-07-18

Details

The client_host function in parsers.c in Privoxy before 3.0.24 allows remote attackers to cause a denial of service (invalid read and crash) via an empty HTTP Host header.

Severity

7.5 (High)


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

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2016-1983	REPORT
	http://www.openwall.com/lists/oss-security/2016/01/21/4	REPORT
	https://www.cve.org/CVERecord?id=CVE-2016-1983	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "privoxy",
            "binary_version": "3.0.24-1"
          },
          {
            "binary_name": "privoxy-dbgsym",
            "binary_version": "3.0.24-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "privoxy",
        "purl": "pkg:deb/ubuntu/privoxy@3.0.24-1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.0.24-1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.0.23-3",
        "3.0.23-4",
        "3.0.23-5"
      ]
    }
  ],
  "aliases": [],
  "details": "The client_host function in parsers.c in Privoxy before 3.0.24 allows remote attackers to cause a denial of service (invalid read and crash) via an empty HTTP Host header.",
  "id": "UBUNTU-CVE-2016-1983",
  "modified": "2025-07-16T04:51:08Z",
  "published": "2016-01-27T20:59:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2016-1983"
    },
    {
      "type": "REPORT",
      "url": "http://www.openwall.com/lists/oss-security/2016/01/21/4"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2016-1983"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2016-1983"
  ],
  "withdrawn": "2025-07-18T16:43:25Z"
}

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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

Order JSON

Publication & reservation Sightings KEV catalogs Other timestamps

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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-2016-1983 (GCVE-0-2016-1983)

CNVD-2016-00793

FKIE_CVE-2016-1983

GHSA-6FRP-GFC5-Q2XJ

GSD-2016-1983

OPENSUSE-SU-2024:10494-1

UBUNTU-CVE-2016-1983 (CVE-2016-1983)

Tags

Sightings

Nomenclature

Vulnerability timeline

Related by attack behaviour