{"action":"Upgrade mbedtls to 2.16.4-1 or later.","affected":[{"fixed":"2.16.4-1","introduced":"0"}],"component":"mbedtls","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["2.16.4-1"],"id":"tcs_01M5NE148R22GD2NEN20H12ZGP","modified_at":"2026-09-21T07:03:10.059314193Z","published_at":"2020-01-23T17:15:11.893Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2019-18222","https://security-tracker.debian.org/tracker/CVE-2019-18222"],"severity":{"label":"medium","score":4.7},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2019-18222#Debian:14/mbedtls","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2019-18222"}],"summary":"The ECDSA signature implementation in ecdsa.c in Arm Mbed Crypto 2.1 and Mbed TLS through 2.19.1 does not reduce the blinded scalar before computing the inverse, which allows a local attacker to recov"}