{"schema_version":"1.7.3","id":"GO-2025-4193","published":"2025-12-08T21:31:36Z","modified":"2026-02-04T03:55:44.700916Z","aliases":["CVE-2025-66506","GHSA-f83f-xpx7-ffpw"],"related":["CGA-63x2-wrq7-39v8"],"summary":"Fulcio allocates excessive memory during token parsing in github.com/sigstore/fulcio","details":"Fulcio allocates excessive memory during token parsing in github.com/sigstore/fulcio","affected":[{"package":{"name":"github.com/sigstore/fulcio","ecosystem":"Go","purl":"pkg:golang/github.com/sigstore/fulcio"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.8.3"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2025-4193.json"}}],"references":[{"type":"ADVISORY","url":"https://github.com/sigstore/fulcio/security/advisories/GHSA-f83f-xpx7-ffpw"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-66506"},{"type":"FIX","url":"https://github.com/sigstore/fulcio/commit/765a0e57608b9ef390e1eeeea8595b9054c63a5a"}],"database_specific":{"review_status":"UNREVIEWED","url":"https://pkg.go.dev/vuln/GO-2025-4193"}}