{"id":"CVE-2023-49203","details":"Technitium 11.5.3 allows remote attackers to cause a denial of service (bandwidth amplification) because the DNSBomb manipulation causes accumulation of low-rate DNS queries such that there is a large-sized response in a burst of traffic.","modified":"2026-08-12T03:51:45.329944109Z","published":"2024-09-18T00:00:00Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/49xxx/CVE-2023-49203.json","cna_assigner":"mitre"},"references":[{"type":"WEB","url":"https://gist.github.com/idealeer/89947ca07836fd0f7e9761198ca9a0f3."},{"type":"WEB","url":"https://technitium.com/dns/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/49xxx/CVE-2023-49203.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-49203"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/technitiumsoftware/dnsserver","events":[{"introduced":"844410831092f54f604529fb1437e989566a01e2"},{"last_affected":"844410831092f54f604529fb1437e989566a01e2"}],"database_specific":{"extracted_events":[{"introduced":"11.5.3"},{"last_affected":"11.5.3"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:technitium:dnsserver:11.5.3:*:*:*:*:*:*:*"}}],"versions":["11.5.3","v11.5.3"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-49203.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}