{"id":"CVE-2021-45951","state":"PUBLISHED","title":"Dnsmasq 2.86 has a heap-based buffer overflow in check_bad_address (called from check_for_bogus_wildcard and FuzzCheckForBogusWildcard). NOTE: the vendor's position is that CVE-202","description":"Dnsmasq 2.86 has a heap-based buffer overflow in check_bad_address (called from check_for_bogus_wildcard and FuzzCheckForBogusWildcard). NOTE: the vendor's position is that CVE-2021-45951 through CVE-2021-45957 \"do not represent real vulnerabilities, to the best of our knowledge.","publishedAt":"2021-12-31T23:54:10.000Z","updatedAt":"2024-08-04T04:54:31.071Z","severity":null,"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://github.com/google/oss-fuzz-vulns/blob/main/vulns/dnsmasq/OSV-2021-924.yaml","https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35868","https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016162.html","https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016164.html"],"weaknesses":[],"ingestedAt":"2026-10-29T19:49:13.309Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/45xxx/CVE-2021-45951.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-45951","state":"PUBLISHED","datePublished":"2021-12-31T23:54:10.000Z","dateUpdated":"2024-08-04T04:54:31.071Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2021-12-31T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Dnsmasq 2.86 has a heap-based buffer overflow in check_bad_address (called from check_for_bogus_wildcard and FuzzCheckForBogusWildcard). NOTE: the vendor's position is that CVE-2021-45951 through CVE-2021-45957 \"do not represent real vulnerabilities, to the best of our knowledge."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/dnsmasq/OSV-2021-924.yaml","tags":["x_refsource_MISC"]},{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35868","tags":["x_refsource_MISC"]},{"url":"https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016162.html","tags":["x_refsource_MISC"]},{"url":"https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016164.html","tags":["x_refsource_MISC"]}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"mitre","dateUpdated":"2022-02-19T21:10:52.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca"},"tags":["disputed"],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2021-45951","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"** DISPUTED ** Dnsmasq 2.86 has a heap-based buffer overflow in check_bad_address (called from check_for_bogus_wildcard and FuzzCheckForBogusWildcard). NOTE: the vendor's position is that CVE-2021-45951 through CVE-2021-45957 \"do not represent real vulnerabilities, to the best of our knowledge.\""}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/dnsmasq/OSV-2021-924.yaml","refsource":"MISC","url":"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/dnsmasq/OSV-2021-924.yaml"},{"name":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35868","refsource":"MISC","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35868"},{"name":"https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016162.html","refsource":"MISC","url":"https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016162.html"},{"name":"https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016164.html","refsource":"MISC","url":"https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016164.html"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/dnsmasq/OSV-2021-924.yaml","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35868","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016162.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016164.html","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T04:54:31.071Z"}}]}}}