{"action":"Upgrade fido2-lib to 3.5.8 or later.","affected":[{"fixed":"3.5.8","introduced":"0"}],"component":"fido2-lib","cve_ids":[],"ecosystem":"npm","exploited":false,"fixed_versions":["3.5.8"],"ghsa_id":"GHSA-g3qj-j598-cxmq","id":"tcs_01M5KFPXHCMWWCMKZT2752FDA2","modified_at":"2026-03-24T19:16:32.000030Z","published_at":"2026-03-24T19:10:38Z","references":["https://osv.dev/vulnerability/GHSA-g3qj-j598-cxmq","https://github.com/webauthn-open-source/fido2-lib/security/advisories/GHSA-g3qj-j598-cxmq","https://github.com/kriszyp/cbor-extract/issues/2","https://github.com/kriszyp/cbor-extract/issues/3","https://github.com/kriszyp/cbor-extract/commit/1f6e0d9704149bdb5531d25f5d08a0280a71e2ca","https://github.com/webauthn-open-source/fido2-lib"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-g3qj-j598-cxmq","url":"https://osv.dev/vulnerability/GHSA-g3qj-j598-cxmq"}],"summary":"fido2-lib is vulnerable to DoS via cbor-extract heap buffer over-read in CBOR attestation parsing"}