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{
"schema_version": "1.7.0",
"id": "USN-6500-2",
"summary": "squid3 vulnerabilities",
"details": "USN-6500-1 fixed several vulnerabilities in Squid. This update provides\nthe corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.\n\nOriginal advisory details:\n\n Joshua Rogers discovered that Squid incorrectly handled the Gopher\n protocol. A remote attacker could possibly use this issue to cause Squid to\n crash, resulting in a denial of service. Gopher support has been disabled\n in this update. (CVE-2023-46728)\n\n Joshua Rogers discovered that Squid incorrectly handled HTTP Digest\n Authentication. A remote attacker could possibly use this issue to cause\n Squid to crash, resulting in a denial of service. (CVE-2023-46847)\n",
"aliases": [],
"upstream": [
"UBUNTU-CVE-2023-46728",
"UBUNTU-CVE-2023-46847"
],
"related": [],
"published": "2023-12-11T11:40:02Z",
"modified": "2026-06-25T10:46:17Z",
"affected": [
{
"package": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"name": "squid3",
"purl": "pkg:deb/ubuntu/squid3@3.5.12-1ubuntu7.16+esm2?arch=source&distro=esm-infra/xenial"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.5.12-1ubuntu7.16+esm2"
}
]
}
],
"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"
],
"ecosystem_specific": {
"binaries": [
{
"binary_name": "squid",
"binary_version": "3.5.12-1ubuntu7.16+esm2"
},
{
"binary_name": "squid-cgi",
"binary_version": "3.5.12-1ubuntu7.16+esm2"
},
{
"binary_name": "squid-common",
"binary_version": "3.5.12-1ubuntu7.16+esm2"
},
{
"binary_name": "squid-purge",
"binary_version": "3.5.12-1ubuntu7.16+esm2"
},
{
"binary_name": "squid3",
"binary_version": "3.5.12-1ubuntu7.16+esm2"
},
{
"binary_name": "squidclient",
"binary_version": "3.5.12-1ubuntu7.16+esm2"
}
],
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
},
"database_specific": {
"cves_map": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"cves": [
{
"id": "CVE-2023-46728",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2023-46847",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
}
]
}
}
},
{
"package": {
"ecosystem": "Ubuntu:Pro:18.04:LTS",
"name": "squid3",
"purl": "pkg:deb/ubuntu/squid3@3.5.27-1ubuntu1.14+esm1?arch=source&distro=esm-infra/bionic"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.5.27-1ubuntu1.14+esm1"
}
]
}
],
"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"
],
"ecosystem_specific": {
"binaries": [
{
"binary_name": "squid",
"binary_version": "3.5.27-1ubuntu1.14+esm1"
},
{
"binary_name": "squid-cgi",
"binary_version": "3.5.27-1ubuntu1.14+esm1"
},
{
"binary_name": "squid-common",
"binary_version": "3.5.27-1ubuntu1.14+esm1"
},
{
"binary_name": "squid-purge",
"binary_version": "3.5.27-1ubuntu1.14+esm1"
},
{
"binary_name": "squid3",
"binary_version": "3.5.27-1ubuntu1.14+esm1"
},
{
"binary_name": "squidclient",
"binary_version": "3.5.27-1ubuntu1.14+esm1"
}
],
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
},
"database_specific": {
"cves_map": {
"ecosystem": "Ubuntu:Pro:18.04:LTS",
"cves": [
{
"id": "CVE-2023-46728",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2023-46847",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
}
]
}
}
}
],
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-6500-2"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2023-46728"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2023-46847"
}
]
}