ubuntu-cve-2026-47729
Vulnerability from osv_ubuntu
Published
2026-06-12 00:00
Modified
2026-06-16 19:55
Summary
Details

Out-of-bounds Read attack against the FTP gateway

Severity
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "squid",
            "binary_version": "3.5.12-1ubuntu7.16+esm6"
          },
          {
            "binary_name": "squid-cgi",
            "binary_version": "3.5.12-1ubuntu7.16+esm6"
          },
          {
            "binary_name": "squid-common",
            "binary_version": "3.5.12-1ubuntu7.16+esm6"
          },
          {
            "binary_name": "squid-purge",
            "binary_version": "3.5.12-1ubuntu7.16+esm6"
          },
          {
            "binary_name": "squid3",
            "binary_version": "3.5.12-1ubuntu7.16+esm6"
          },
          {
            "binary_name": "squidclient",
            "binary_version": "3.5.12-1ubuntu7.16+esm6"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "squid3",
        "purl": "pkg:deb/ubuntu/squid3@3.5.12-1ubuntu7.16+esm6?arch=source\u0026distro=esm-infra/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.3.8-1ubuntu16",
        "3.3.8-1ubuntu17",
        "3.5.12-1ubuntu6",
        "3.5.12-1ubuntu7",
        "3.5.12-1ubuntu7.1",
        "3.5.12-1ubuntu7.2",
        "3.5.12-1ubuntu7.3",
        "3.5.12-1ubuntu7.4",
        "3.5.12-1ubuntu7.5",
        "3.5.12-1ubuntu7.6",
        "3.5.12-1ubuntu7.7",
        "3.5.12-1ubuntu7.8",
        "3.5.12-1ubuntu7.9",
        "3.5.12-1ubuntu7.10",
        "3.5.12-1ubuntu7.11",
        "3.5.12-1ubuntu7.12",
        "3.5.12-1ubuntu7.13",
        "3.5.12-1ubuntu7.14",
        "3.5.12-1ubuntu7.15",
        "3.5.12-1ubuntu7.16",
        "3.5.12-1ubuntu7.16+esm1",
        "3.5.12-1ubuntu7.16+esm2",
        "3.5.12-1ubuntu7.16+esm3",
        "3.5.12-1ubuntu7.16+esm4",
        "3.5.12-1ubuntu7.16+esm5",
        "3.5.12-1ubuntu7.16+esm6"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "squid",
            "binary_version": "3.5.27-1ubuntu1.14+esm5"
          },
          {
            "binary_name": "squid-cgi",
            "binary_version": "3.5.27-1ubuntu1.14+esm5"
          },
          {
            "binary_name": "squid-common",
            "binary_version": "3.5.27-1ubuntu1.14+esm5"
          },
          {
            "binary_name": "squid-purge",
            "binary_version": "3.5.27-1ubuntu1.14+esm5"
          },
          {
            "binary_name": "squid3",
            "binary_version": "3.5.27-1ubuntu1.14+esm5"
          },
          {
            "binary_name": "squidclient",
            "binary_version": "3.5.27-1ubuntu1.14+esm5"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "squid3",
        "purl": "pkg:deb/ubuntu/squid3@3.5.27-1ubuntu1.14+esm5?arch=source\u0026distro=esm-infra/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.5.23-5ubuntu1",
        "3.5.23-5ubuntu2",
        "3.5.27-1ubuntu1",
        "3.5.27-1ubuntu1.1",
        "3.5.27-1ubuntu1.2",
        "3.5.27-1ubuntu1.3",
        "3.5.27-1ubuntu1.4",
        "3.5.27-1ubuntu1.5",
        "3.5.27-1ubuntu1.6",
        "3.5.27-1ubuntu1.7",
        "3.5.27-1ubuntu1.8",
        "3.5.27-1ubuntu1.9",
        "3.5.27-1ubuntu1.10",
        "3.5.27-1ubuntu1.11",
        "3.5.27-1ubuntu1.12",
        "3.5.27-1ubuntu1.13",
        "3.5.27-1ubuntu1.14",
        "3.5.27-1ubuntu1.14+esm1",
        "3.5.27-1ubuntu1.14+esm2",
        "3.5.27-1ubuntu1.14+esm3",
        "3.5.27-1ubuntu1.14+esm4",
        "3.5.27-1ubuntu1.14+esm5"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "squid",
            "binary_version": "4.10-1ubuntu1.13+esm2"
          },
          {
            "binary_name": "squid-cgi",
            "binary_version": "4.10-1ubuntu1.13+esm2"
          },
          {
            "binary_name": "squid-common",
            "binary_version": "4.10-1ubuntu1.13+esm2"
          },
          {
            "binary_name": "squid-purge",
            "binary_version": "4.10-1ubuntu1.13+esm2"
          },
          {
            "binary_name": "squidclient",
            "binary_version": "4.10-1ubuntu1.13+esm2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:20.04:LTS",
        "name": "squid",
        "purl": "pkg:deb/ubuntu/squid@4.10-1ubuntu1.13+esm2?arch=source\u0026distro=esm-infra/focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.8-1ubuntu2",
        "4.8-1ubuntu3",
        "4.9-2ubuntu1",
        "4.9-2ubuntu2",
        "4.9-2ubuntu3",
        "4.9-2ubuntu4",
        "4.10-1ubuntu1",
        "4.10-1ubuntu1.1",
        "4.10-1ubuntu1.2",
        "4.10-1ubuntu1.3",
        "4.10-1ubuntu1.4",
        "4.10-1ubuntu1.5",
        "4.10-1ubuntu1.6",
        "4.10-1ubuntu1.7",
        "4.10-1ubuntu1.8",
        "4.10-1ubuntu1.9",
        "4.10-1ubuntu1.10",
        "4.10-1ubuntu1.11",
        "4.10-1ubuntu1.12",
        "4.10-1ubuntu1.13",
        "4.10-1ubuntu1.13+esm1",
        "4.10-1ubuntu1.13+esm2"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "squid",
            "binary_version": "5.9-0ubuntu0.22.04.7"
          },
          {
            "binary_name": "squid-cgi",
            "binary_version": "5.9-0ubuntu0.22.04.7"
          },
          {
            "binary_name": "squid-common",
            "binary_version": "5.9-0ubuntu0.22.04.7"
          },
          {
            "binary_name": "squid-openssl",
            "binary_version": "5.9-0ubuntu0.22.04.7"
          },
          {
            "binary_name": "squid-purge",
            "binary_version": "5.9-0ubuntu0.22.04.7"
          },
          {
            "binary_name": "squidclient",
            "binary_version": "5.9-0ubuntu0.22.04.7"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "squid",
        "purl": "pkg:deb/ubuntu/squid@5.9-0ubuntu0.22.04.7?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.9-0ubuntu0.22.04.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.13-10ubuntu5",
        "5.2-1ubuntu1",
        "5.2-1ubuntu3",
        "5.2-1ubuntu4",
        "5.2-1ubuntu4.1",
        "5.2-1ubuntu4.2",
        "5.2-1ubuntu4.3",
        "5.7-0ubuntu0.22.04.1",
        "5.7-0ubuntu0.22.04.2",
        "5.7-0ubuntu0.22.04.3",
        "5.7-0ubuntu0.22.04.4",
        "5.9-0ubuntu0.22.04.1",
        "5.9-0ubuntu0.22.04.2",
        "5.9-0ubuntu0.22.04.3",
        "5.9-0ubuntu0.22.04.4",
        "5.9-0ubuntu0.22.04.5"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "squid",
            "binary_version": "6.14-0ubuntu0.24.04.4"
          },
          {
            "binary_name": "squid-cgi",
            "binary_version": "6.14-0ubuntu0.24.04.4"
          },
          {
            "binary_name": "squid-common",
            "binary_version": "6.14-0ubuntu0.24.04.4"
          },
          {
            "binary_name": "squid-openssl",
            "binary_version": "6.14-0ubuntu0.24.04.4"
          },
          {
            "binary_name": "squid-purge",
            "binary_version": "6.14-0ubuntu0.24.04.4"
          },
          {
            "binary_name": "squidclient",
            "binary_version": "6.14-0ubuntu0.24.04.4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "squid",
        "purl": "pkg:deb/ubuntu/squid@6.14-0ubuntu0.24.04.4?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.14-0ubuntu0.24.04.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "6.1-2ubuntu1",
        "6.1-2ubuntu2",
        "6.5-1ubuntu1",
        "6.5-1ubuntu2",
        "6.5-1ubuntu3",
        "6.6-1ubuntu4",
        "6.6-1ubuntu5",
        "6.6-1ubuntu5.1",
        "6.10-0ubuntu0.24.04.1",
        "6.13-0ubuntu0.24.04.1",
        "6.13-0ubuntu0.24.04.2",
        "6.13-0ubuntu0.24.04.3",
        "6.14-0ubuntu0.24.04.1",
        "6.14-0ubuntu0.24.04.2"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "squid",
            "binary_version": "6.14-0ubuntu0.25.10.4"
          },
          {
            "binary_name": "squid-cgi",
            "binary_version": "6.14-0ubuntu0.25.10.4"
          },
          {
            "binary_name": "squid-common",
            "binary_version": "6.14-0ubuntu0.25.10.4"
          },
          {
            "binary_name": "squid-openssl",
            "binary_version": "6.14-0ubuntu0.25.10.4"
          },
          {
            "binary_name": "squid-purge",
            "binary_version": "6.14-0ubuntu0.25.10.4"
          },
          {
            "binary_name": "squidclient",
            "binary_version": "6.14-0ubuntu0.25.10.4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "squid",
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      },
      "ranges": [
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          "type": "ECOSYSTEM"
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      "versions": [
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        "6.13-1ubuntu2",
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        "6.13-1ubuntu4",
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        "6.14-0ubuntu0.25.10.2"
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    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "squid",
            "binary_version": "7.2-2ubuntu2.2"
          },
          {
            "binary_name": "squid-common",
            "binary_version": "7.2-2ubuntu2.2"
          },
          {
            "binary_name": "squid-openssl",
            "binary_version": "7.2-2ubuntu2.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "squid",
        "purl": "pkg:deb/ubuntu/squid@7.2-2ubuntu2.2?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
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            {
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            {
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          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "6.13-1ubuntu4",
        "6.13-1ubuntu5",
        "7.2-2ubuntu1",
        "7.2-2ubuntu2"
      ]
    }
  ],
  "aliases": [],
  "details": "Out-of-bounds Read attack against the FTP gateway",
  "id": "UBUNTU-CVE-2026-47729",
  "modified": "2026-06-16T19:55:57Z",
  "published": "2026-06-12T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-47729"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-47729"
    },
    {
      "type": "REPORT",
      "url": "https://www.openwall.com/lists/oss-security/2026/06/12/1"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-8435-1"
    }
  ],
  "related": [
    "USN-8435-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2026-47729"
  ]
}



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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.