{"action":"Upgrade wolfssl to 4.1.0+dfsg-2 or later.","affected":[{"fixed":"4.1.0+dfsg-2","introduced":"0"}],"component":"wolfssl","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["4.1.0+dfsg-2"],"id":"tcs_01M5NDY3B558Z9BAVKAMCS7JPK","modified_at":"2026-09-21T07:02:46.114946647Z","published_at":"2019-08-26T22:15:11.153Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2019-15651","https://security-tracker.debian.org/tracker/CVE-2019-15651"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2019-15651#Debian:13/wolfssl","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2019-15651"}],"summary":"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"}