{"action":"Upgrade bouncycastle to 1.61-1 or later.","affected":[{"fixed":"1.61-1","introduced":"0"}],"component":"bouncycastle","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1.61-1"],"id":"tcs_01M5NEXGAK8PV3C4Y5ES3489BZ","modified_at":"2026-10-26T12:02:41.469943272Z","published_at":"2020-11-02T22:15:13.393Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-26939","https://security-tracker.debian.org/tracker/CVE-2020-26939"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-26939#Debian:13/bouncycastle","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2020-26939"}],"summary":"In Legion of the Bouncy Castle BC before 1.61 and BC-FJA before 1.0.1.2, attackers can obtain sensitive information about a private exponent because of Observable Differences in Behavior to Error Inpu"}