{"cve":"CVE-2021-42778","nvd":{"published":"2022-04-18T17:15:16.103","modified":"2026-06-17T04:10:07.867","status":"Modified","description":"A heap double free issue was found in Opensc before version 0.22.0 in sc_pkcs15_free_tokeninfo.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","score":5.3},"cwes":["CWE-415","CWE-672"],"references":["https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28185","https://bugzilla.redhat.com/show_bug.cgi?id=2016083","https://github.com/OpenSC/OpenSC/commit/f015746d","https://security.gentoo.org/glsa/202209-03","https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28185"],"products":["fedoraproject:fedora","opensc_project:opensc","redhat:enterprise_linux"],"source":"nvd","synced_at":"2026-10-19T21:30:03.577988018+00:00"},"epss":{"cve":"CVE-2021-42778","score":0.02141,"percentile":0.8205,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}