{"id":"GHSA-w5vr-8v7q-w6rv","summary":"baseline-browser-mapping process termination on invalid input causes denial of service","details":"baseline-browser-mapping 2.x before 2.11.0 calls process.exit() instead of throwing on invalid or conflicting input parameters, and can trigger immediate process termination, causing denial of service.","aliases":["CVE-2026-45819"],"modified":"2026-09-08T21:10:55.705454Z","published":"2026-08-13T12:31:09Z","database_specific":{"github_reviewed":true,"github_reviewed_at":"2026-09-08T20:41:21Z","nvd_published_at":"2026-08-13T12:17:23Z","cwe_ids":["CWE-705"],"severity":"MODERATE"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45819"},{"type":"WEB","url":"https://github.com/web-platform-dx/baseline-browser-mapping/pull/137"},{"type":"WEB","url":"https://github.com/web-platform-dx/baseline-browser-mapping/pull/137/changes#diff-7ae45ad102eab3b6d7e7896acd08c427a9b25b346470d7bc6507b6481575d519"},{"type":"WEB","url":"https://github.com/web-platform-dx/baseline-browser-mapping/commit/de733e2d8959559f7bb255d5927f3afcb6f31589"},{"type":"PACKAGE","url":"https://github.com/web-platform-dx/baseline-browser-mapping"},{"type":"WEB","url":"https://github.com/web-platform-dx/baseline-browser-mapping/blob/b7881aa61c8a057e24468ab5ee18c5ecedbbf691/src/index.ts#L142"},{"type":"WEB","url":"https://github.com/web-platform-dx/baseline-browser-mapping/releases/tag/v2.11.0"},{"type":"WEB","url":"https://www.npmjs.com/package/baseline-browser-mapping"}],"affected":[{"package":{"name":"baseline-browser-mapping","ecosystem":"npm","purl":"pkg:npm/baseline-browser-mapping"},"ranges":[{"type":"SEMVER","events":[{"introduced":"2.0.0"},{"fixed":"2.11.0"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/08/GHSA-w5vr-8v7q-w6rv/GHSA-w5vr-8v7q-w6rv.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/S:N/AU:Y/R:U/V:D/RE:M/U:Amber"}]}