{"id":"CVE-2019-15651","details":"wolfSSL 4.1.0 has a one-byte heap-based buffer over-read in DecodeCertExtensions in wolfcrypt/src/asn.c because reading the ASN_BOOLEAN byte is mishandled for a crafted DER certificate in GetLength_ex.","modified":"2026-07-22T03:44:48.138275Z","published":"2019-08-26T22:15:11.153Z","references":[{"type":"ADVISORY","url":"https://github.com/wolfSSL/wolfssl/issues/2421"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/wolfssl/wolfssl","events":[{"introduced":"50fbdb961fd8c2d8123064e567ae8ec44167732d"},{"last_affected":"50fbdb961fd8c2d8123064e567ae8ec44167732d"}],"database_specific":{"source":"CPE_STRING","cpe":"cpe:2.3:a:wolfssl:wolfssl:4.1.0:*:*:*:*:*:*:*","extracted_events":[{"introduced":"4.1.0"},{"last_affected":"4.1.0"}]}}],"versions":["4.1.0","v4.1.0-stable"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-15651.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}