{"action":"Upgrade libgcrypt20 to 1.8.7-6 or later.","affected":[{"fixed":"1.8.7-6","introduced":"0"}],"component":"libgcrypt20","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1.8.7-6"],"id":"tcs_01M5NFZ3V73JHB0FPNN7KFEYP9","modified_at":"2026-10-23T18:03:32.954846626Z","published_at":"2021-09-06T19:15:07.587Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-40528","https://security-tracker.debian.org/tracker/CVE-2021-40528"],"severity":{"label":"medium","score":5.9},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-40528#Debian:13/libgcrypt20","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-40528"}],"summary":"The ElGamal implementation in Libgcrypt before 1.9.4 allows plaintext recovery because, during interaction between two cryptographic libraries, a certain dangerous combination of the prime defined by"}