{ "schema_version": "1.4.0", "id": "GHSA-r7r9-8x8h-443r", "modified": "2022-03-19T00:01:54Z", "published": "2022-01-02T00:00:59Z", "aliases": [ "CVE-2021-45953" ], "details": "Dnsmasq 2.86 has a heap-based buffer overflow in extract_name (called from hash_questions and fuzz_util.c).", "severity": [ { "type": "CVSS_V3", "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H" } ], "affected": [], "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-45953" }, { "type": "WEB", "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35858" }, { "type": "WEB", "url": "https://github.com/google/oss-fuzz-vulns/blob/main/vulns/dnsmasq/OSV-2021-929.yaml" }, { "type": "WEB", "url": "https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016162.html" }, { "type": "WEB", "url": "https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016164.html" } ], "database_specific": { "cwe_ids": [ "CWE-787" ], "severity": "CRITICAL", "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2022-01-01T00:15:00Z" } }