{"action":"Upgrade wolfssl to 4.1.0+dfsg-1 or later.","affected":[{"fixed":"4.1.0+dfsg-1","introduced":"0"}],"component":"wolfssl","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["4.1.0+dfsg-1"],"id":"tcs_01M5NDQH84FZEQ0AT3XQ5J18WN","modified_at":"2026-09-21T07:02:00.276912083Z","published_at":"2019-05-23T13:29:07.567Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2019-11873","https://security-tracker.debian.org/tracker/CVE-2019-11873"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2019-11873#Debian:13/wolfssl","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2019-11873"}],"summary":"wolfSSL 4.0.0 has a Buffer Overflow in DoPreSharedKeys in tls13.c when a current identity size is greater than a client identity size. An attacker sends a crafted hello client packet over the network"}