{"action":"Upgrade wolfssl to 4.2.0+dfsg-1 or later.","affected":[{"fixed":"4.2.0+dfsg-1","introduced":"0"}],"component":"wolfssl","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["4.2.0+dfsg-1"],"id":"tcs_01M5NDZKJDCZVD0FPDBGDF2YHN","modified_at":"2026-09-21T07:01:36.799850323Z","published_at":"2019-09-24T13:15:10.660Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2019-16748","https://security-tracker.debian.org/tracker/CVE-2019-16748"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2019-16748","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2019-16748"}],"summary":"In wolfSSL through 4.1.0, there is a missing sanity check of memory accesses in parsing ASN.1 certificate data while handshaking. Specifically, there is a one-byte heap-based buffer over-read in Check"}