{"action":"Upgrade mbedtls to 2.16.9-0.1 or later.","affected":[{"fixed":"2.16.9-0.1","introduced":"0"}],"component":"mbedtls","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["2.16.9-0.1"],"id":"tcs_01M5NF355E2SA6CMPR51VCY8WS","modified_at":"2026-09-11T11:02:46.471709027Z","published_at":"2021-07-19T17:15:11.223Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-36423","https://security-tracker.debian.org/tracker/CVE-2020-36423"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-36423#Debian:13/mbedtls","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2020-36423"}],"summary":"An issue was discovered in Arm Mbed TLS before 2.23.0. A remote attacker can recover plaintext because a certain Lucky 13 countermeasure doesn't properly consider the case of a hardware accelerator."}