Simon Studer discovered that ModSecurity incorrectly handled certain JSON objects. An attacker could possibly use this issue to cause a denial of service. (CVE-2025-47947)
It was discovered that ModSecurity incorrectly handled requests when parsing certain form data. An attacker could possibly use this issue to cause a denial of service. (CVE-2025-48866)
{
"binaries": [
{
"binary_name": "libapache2-mod-security2",
"binary_version": "2.9.8-1.1ubuntu0.1"
}
],
"availability": "No subscription required"
}"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7567-1.json"
{
"ecosystem": "Ubuntu:25.04",
"cves": [
{
"id": "CVE-2025-47947",
"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": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2025-48866",
"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": "Ubuntu",
"score": "medium"
}
]
}
]
}
{
"binaries": [
{
"binary_name": "libapache2-mod-security2",
"binary_version": "2.7.7-2ubuntu0.1~esm2"
},
{
"binary_name": "libapache2-modsecurity",
"binary_version": "2.7.7-2ubuntu0.1~esm2"
}
],
"availability": "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro"
}"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7567-1.json"
{
"ecosystem": "Ubuntu:Pro:14.04:LTS",
"cves": [
{
"id": "CVE-2025-47947",
"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": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2025-48866",
"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": "Ubuntu",
"score": "medium"
}
]
}
]
}
{
"binaries": [
{
"binary_name": "libapache2-mod-security2",
"binary_version": "2.9.0-1ubuntu0.1~esm2"
},
{
"binary_name": "libapache2-modsecurity",
"binary_version": "2.9.0-1ubuntu0.1~esm2"
}
],
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7567-1.json"
{
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"cves": [
{
"id": "CVE-2025-47947",
"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": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2025-48866",
"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": "Ubuntu",
"score": "medium"
}
]
}
]
}
{
"binaries": [
{
"binary_name": "libapache2-mod-security2",
"binary_version": "2.9.2-1ubuntu0.1~esm2"
}
],
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7567-1.json"
{
"ecosystem": "Ubuntu:Pro:18.04:LTS",
"cves": [
{
"id": "CVE-2025-47947",
"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": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2025-48866",
"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": "Ubuntu",
"score": "medium"
}
]
}
]
}
{
"binaries": [
{
"binary_name": "libapache2-mod-security2",
"binary_version": "2.9.3-1ubuntu0.1+esm1"
}
],
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7567-1.json"
{
"ecosystem": "Ubuntu:Pro:20.04:LTS",
"cves": [
{
"id": "CVE-2025-47947",
"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": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2025-48866",
"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": "Ubuntu",
"score": "medium"
}
]
}
]
}
{
"binaries": [
{
"binary_name": "libapache2-mod-security2",
"binary_version": "2.9.5-1ubuntu0.1~esm2"
}
],
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7567-1.json"
{
"ecosystem": "Ubuntu:Pro:22.04:LTS",
"cves": [
{
"id": "CVE-2025-47947",
"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": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2025-48866",
"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": "Ubuntu",
"score": "medium"
}
]
}
]
}
{
"binaries": [
{
"binary_name": "libapache2-mod-security2",
"binary_version": "2.9.7-1ubuntu0.24.04.1~esm1"
}
],
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7567-1.json"
{
"ecosystem": "Ubuntu:Pro:24.04:LTS",
"cves": [
{
"id": "CVE-2025-47947",
"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": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2025-48866",
"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": "Ubuntu",
"score": "medium"
}
]
}
]
}