{"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":"2026-04-11T21:07:53.193538Z","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":"0"},{"last_affected":"50fbdb961fd8c2d8123064e567ae8ec44167732d"}],"database_specific":{"cpe":"cpe:2.3:a:wolfssl:wolfssl:4.1.0:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"last_affected":"4.1.0"}],"source":"CPE_FIELD"}}],"versions":["WCv4-rng-stable","l","list","v0.5","v1.8.8.0","v1.9.0","v2.0.2","v2.0.3","v2.0.6","v2.0.8","v2.0rc1","v2.0rc2","v2.0rc2b","v2.0rc3","v2.4.2","v2.4.6","v2.4.7","v2.6.0","v2.6.2","v2.7.0","v2.7.2","v2.8.0","v2.8.2","v2.8.3","v2.8.4","v2.8.5","v2.8.5a","v2.8.6","v2.9.0","v2.9.1","v2.9.2","v2.9.4","v3.10.0-stable","v3.10.0a","v3.10.2-stable","v3.10.3","v3.11.0-stable","v3.11.1-tls13-beta","v3.12.0-stable","v3.12.2-stable","v3.13.0-stable","v3.13.2","v3.13.3","v3.14.0-stable","v3.14.0a","v3.14.0b","v3.14.2","v3.14.4","v3.15.0-stable","v3.15.3-stable","v3.15.5-stable","v3.15.5a","v3.15.6","v3.15.7-stable","v3.2.0","v3.2.4","v3.2.6","v3.3.0","v3.3.3","v3.4.0","v3.4.2","v3.4.6","v3.6.8","v3.6.9","v3.7.0","v3.7.1","v3.7.3","v3.8.0","v3.9.0","v3.9.1","v3.9.10-stable","v3.9.10b","v3.9.6","v3.9.6w","v3.9.8","v4.0.0-stable","v4.1.0-stable"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-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"}]}