{"action":"Upgrade botan to 2.4.0-6 or later.","affected":[{"fixed":"2.4.0-6","introduced":"0"}],"component":"botan","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["2.4.0-6"],"id":"tcs_01M5NDK5DR1H9J555H1DQV009M","modified_at":"2026-10-23T18:03:23.851648098Z","published_at":"2018-04-12T05:29:00.220Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2018-9860","https://security-tracker.debian.org/tracker/CVE-2018-9860"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2018-9860#Debian:13/botan","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2018-9860"}],"summary":"An issue was discovered in Botan 1.11.32 through 2.x before 2.6.0. An off-by-one error when processing malformed TLS-CBC ciphertext could cause the receiving side to include in the HMAC computation ex"}