{"id":"CVE-2020-13132","details":"An issue was discovered in Yubico libykpiv before 2.1.0. An attacker can trigger an incorrect free() in the ykpiv_util_generate_key() function in lib/util.c through incorrect error handling code. This could be used to cause a denial of service attack.","modified":"2026-03-14T09:50:10.050274Z","published":"2020-07-09T18:15:10.663Z","references":[{"type":"ADVISORY","url":"https://www.yubico.com/support/security-advisories/ysa-2020-02/"},{"type":"EVIDENCE","url":"https://blog.inhq.net/posts/yubico-libykpiv-vuln/"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-13132.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"2.1.0"}]},{"events":[{"introduced":"0"},{"fixed":"2.0.0"}]},{"events":[{"introduced":"0"},{"last_affected":"4.1.0.172"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}