Elias Heftrig, Haya Schulmann, Niklas Vogel, and Michael Waidner discovered that Unbound incorrectly handled validating DNSSEC messages. A remote attacker could possibly use this issue to cause Unbound to consume resources, leading to a denial of service. (CVE-2023-50387)
It was discovered that Unbound incorrectly handled preparing an NSEC3 closest encloser proof. A remote attacker could possibly use this issue to cause Unbound to consume resources, leading to a denial of service. (CVE-2023-50868)
{ "binaries": [ { "binary_name": "libunbound-dev", "binary_version": "1.9.4-2ubuntu1.5" }, { "binary_name": "libunbound8", "binary_version": "1.9.4-2ubuntu1.5" }, { "binary_name": "python-unbound", "binary_version": "1.9.4-2ubuntu1.5" }, { "binary_name": "python3-unbound", "binary_version": "1.9.4-2ubuntu1.5" }, { "binary_name": "unbound", "binary_version": "1.9.4-2ubuntu1.5" }, { "binary_name": "unbound-anchor", "binary_version": "1.9.4-2ubuntu1.5" }, { "binary_name": "unbound-host", "binary_version": "1.9.4-2ubuntu1.5" } ], "availability": "No subscription required" }
{ "ecosystem": "Ubuntu:20.04:LTS", "cves": [ { "severity": [ { "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": "CVSS_V3" }, { "score": "medium", "type": "Ubuntu" } ], "id": "CVE-2023-50387" }, { "severity": [ { "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "type": "CVSS_V3" }, { "score": "medium", "type": "Ubuntu" } ], "id": "CVE-2023-50868" } ] }
{ "binaries": [ { "binary_name": "libunbound-dev", "binary_version": "1.13.1-1ubuntu5.4" }, { "binary_name": "libunbound8", "binary_version": "1.13.1-1ubuntu5.4" }, { "binary_name": "python3-unbound", "binary_version": "1.13.1-1ubuntu5.4" }, { "binary_name": "unbound", "binary_version": "1.13.1-1ubuntu5.4" }, { "binary_name": "unbound-anchor", "binary_version": "1.13.1-1ubuntu5.4" }, { "binary_name": "unbound-host", "binary_version": "1.13.1-1ubuntu5.4" } ], "availability": "No subscription required" }
{ "ecosystem": "Ubuntu:22.04:LTS", "cves": [ { "severity": [ { "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": "CVSS_V3" }, { "score": "medium", "type": "Ubuntu" } ], "id": "CVE-2023-50387" }, { "severity": [ { "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "type": "CVSS_V3" }, { "score": "medium", "type": "Ubuntu" } ], "id": "CVE-2023-50868" } ] }