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tinyproxy — security advisory

Type: advisorySources: OSVAdvisory ID: DEBIAN-CVE-2011-1499

acl.c in Tinyproxy before 1.8.3, when an Allow configuration setting specifies a CIDR block, permits TCP connections from all IP addresses, which makes it easier for remote attackers to hide the origin of web traffic by leveraging the open HTTP proxy server.

Products
tinyproxy
Affected versions
Not specified
Fixed versions
1.8.2-2
CVEs
CVE-2011-1499
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 23:41 UTC · Revision 1

Source evidence

DEBIAN-CVE-2011-1499

core-osv · Original source

Published 29 Apr 2011, 22:55 UTC

acl.c in Tinyproxy before 1.8.3, when an Allow configuration setting specifies a CIDR block, permits TCP connections from all IP addresses, which makes it easier for remote attackers to hide the origin of web traffic by leveraging the open HTTP proxy server.

osv:DEBIAN-CVE-2011-1499

tinyproxy

Fixed versions: 1.8.2-2

tinyproxy

Fixed versions: 1.8.2-2

tinyproxy

Fixed versions: 1.8.2-2

Complete source record
{
  "id": "d656d87caefbd596a1d09f40975fbc77008a68fb77af2f5b2c4041466ce5c7ee",
  "url": "https://osv.dev/vulnerability/DEBIAN-CVE-2011-1499",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DEBIAN-CVE-2011-1499",
    "summary": "acl.c in Tinyproxy before 1.8.3, when an Allow configuration setting specifies a CIDR block, permits TCP connections from all IP addresses, which makes it easier for remote attackers to hide the origin of web traffic by leveraging the open HTTP proxy server.",
    "evidence": "osv:DEBIAN-CVE-2011-1499",
    "products": [
      {
        "name": {
          "value": "tinyproxy",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.8.2-2",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "tinyproxy",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.8.2-2",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "tinyproxy",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.8.2-2",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "DEBIAN-CVE-2011-1499",
      "aliases": [
        "DEBIAN-CVE-2011-1499"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.8.2-2"
                }
              ]
            }
          ],
          "package": {
            "name": "tinyproxy",
            "purl": "pkg:deb/debian/tinyproxy?arch=source&distro=bookworm",
            "ecosystem": "Debian:12"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2011-1499.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.8.2-2"
                }
              ]
            }
          ],
          "package": {
            "name": "tinyproxy",
            "purl": "pkg:deb/debian/tinyproxy?arch=source&distro=trixie",
            "ecosystem": "Debian:13"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2011-1499.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.8.2-2"
                }
              ]
            }
          ],
          "package": {
            "name": "tinyproxy",
            "purl": "pkg:deb/debian/tinyproxy?arch=source&distro=forky",
            "ecosystem": "Debian:14"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2011-1499.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        }
      ],
      "modified": "2026-10-23T17:47:50.476922704Z",
      "provider": "osv",
      "upstream": [
        "CVE-2011-1499"
      ],
      "references": [
        "https://security-tracker.debian.org/tracker/CVE-2011-1499"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2011-1499",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 419235,
  "published_at": "2011-04-29T22:55:00.937+00:00"
}