{"id":"GHSA-vcc3-ghjq-m6fr","revision":"f83d1ebb68a4488a900ebc6b29c98187","records":[{"revision":"f83d1ebb68a4488a900ebc6b29c98187","observedAt":"2026-10-24T13:17:17.793+00:00","statement":{"source":"osv","id":"GHSA-vcc3-ghjq-m6fr","aliases":["CVE-2026-45822"],"title":"decode-uri-component: Denial of service via exponential decoding of malformed percent-encoded input","description":"### Impact\nAn attacker who can supply input to `decodeUriComponent()` (directly or via a dependency that uses this package on URL/query/path data) can cause excessive CPU usage and application unresponsiveness. This is an availability issue; there is no known memory corruption, data disclosure, or remote code execution impact.\n\n### Patches\nUpgrade to `decode-uri-component@0.5.0`.\n\n### Workarounds\nLimit the size of the input.","state":0,"publishedAt":"2026-08-31T22:10:20+00:00","modifiedAt":"2026-09-10T03:51:14.7138999+00:00","affected":[{"ecosystem":"npm","name":"decode-uri-component","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"0.5.0"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V4","vector":"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","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"MODERATE"}],"references":["https://github.com/SamVerschueren/decode-uri-component/security/advisories/GHSA-vcc3-ghjq-m6fr","https://nvd.nist.gov/vuln/detail/CVE-2026-45822","https://github.com/SamVerschueren/decode-uri-component/commit/fa479dafeede7bedf04e5c89aa78f2a78c664005","https://github.com/SamVerschueren/decode-uri-component","https://github.com/SamVerschueren/decode-uri-component/blob/00662938dc7c6241547ae8abce7785cc13ffd3f6/index.js","https://github.com/SamVerschueren/decode-uri-component/releases/tag/v0.5.0","https://www.npmjs.com/package/decode-uri-component"],"sourceUrl":"https://github.com/advisories/GHSA-vcc3-ghjq-m6fr","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-vcc3-ghjq-m6fr","identifiers":["GHSA-vcc3-ghjq-m6fr","CVE-2026-45822"]},"retained":false,"historicalAffected":[]}],"coverage":[]}