{"id":"CVE-2018-9860","aliases":["ALPINE-CVE-2018-9860","DEBIAN-CVE-2018-9860","EUVD-2018-21453","GHSA-3qgv-jw3w-gq48","UBUNTU-CVE-2018-9860","openSUSE-SU-2024:10594-1"],"status":"published","title":"An issue was discovered in Botan 1.11.32 through 2.x before 2.6.0. An off-by-one error when...","description":"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 exactly 64K bytes of data following the record buffer, aka an over-read. The MAC comparison will subsequently fail and the connection will be closed. This could be used for denial of service. No information leak occurs.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01356,"percentile":0.71832,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-193"],"published":"2018-04-12T05:00:00Z","modified":"2026-11-03T06:32:28Z","fixes":[{"ecosystem":"Alpine:v3.10","package":"botan","fixed_in":["2.6.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.11","package":"botan","fixed_in":["2.6.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.12","package":"botan","fixed_in":["2.6.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.13","package":"botan","fixed_in":["2.6.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.14","package":"botan","fixed_in":["2.6.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.15","package":"botan","fixed_in":["2.6.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.16","package":"botan","fixed_in":["2.6.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.17","package":"botan","fixed_in":["2.6.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.18","package":"botan","fixed_in":["2.6.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.19","package":"botan","fixed_in":["2.6.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.20","package":"botan","fixed_in":["2.6.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.21","package":"botan","fixed_in":["2.6.0-r0"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"botan","fixed_in":["2.4.0-6"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"botan","fixed_in":["2.4.0-6"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.10","package":"botan","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.11.32"},{"fixed":"2.6.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.11","package":"botan","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.11.32"},{"fixed":"2.6.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.12","package":"botan","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.11.32"},{"fixed":"2.6.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.13","package":"botan","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.11.32"},{"fixed":"2.6.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.14","package":"botan","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.11.32"},{"fixed":"2.6.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.15","package":"botan","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.11.32"},{"fixed":"2.6.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.16","package":"botan","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.11.32"},{"fixed":"2.6.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.17","package":"botan","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.11.32"},{"fixed":"2.6.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.18","package":"botan","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.11.32"},{"fixed":"2.6.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.19","package":"botan","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.11.32"},{"fixed":"2.6.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.20","package":"botan","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.11.32"},{"fixed":"2.6.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.21","package":"botan","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.11.32"},{"fixed":"2.6.0-r0"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"botan","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.0-6"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"botan","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.0-6"}]}]},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"botan1.10","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.10.5-1","1.10.5-1ubuntu1","1.10.5-1+deb7u1ubuntu0.14.04.1","1.10.5-1+deb7u1ubuntu0.14.04.1+esm1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"botan","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.4.0-3","2.4.0-4","2.4.0-5ubuntu1"]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"Botan","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.18.1-1.3"}]}],"bundled":7}],"products":[{"vendor":"botan_project","product":"botan"}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=7434","tags":["x_refsource_MISC","x_transferred","Issue Tracking","report"]},{"url":"https://botan.randombit.net/security.html","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-9860"},{"url":"https://github.com/advisories/GHSA-3qgv-jw3w-gq48"},{"url":"https://security.alpinelinux.org/vuln/CVE-2018-9860","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2018-9860","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2018-9860","tags":["report"]},{"url":"https://github.com/randombit/botan/commit/ec222c99719c396a1f4756b2ca345dbbfbeb5ed5","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-9860","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2016-9132","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-14737","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-2801","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-12435","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-20187","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-9127","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-9860","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2018-9860","description":"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 exactly 64K bytes of data following the record buffer, aka an over-read. The MAC comparison will subsequently fail and the connection will be closed. This could be used for denial of service. No information leak occurs.","status":"published","published":"2018-04-12T05:00:00Z","modified":"2024-08-05T07:24:56.311Z","updated_at":"2026-11-02T14:35:02.603326Z"}],"euvd":[{"id":"EUVD-2018-21453","description":"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 exactly 64K bytes of data following the record buffer, aka an over-read. The MAC comparison will subsequently fail and the connection will be closed. This could be used for denial of service. No information leak occurs.","status":"published","published":"2018-04-12T05:00:00Z","modified":"2024-08-05T07:24:56Z","updated_at":"2026-11-03T02:40:00.040327Z"}],"ghsa":[{"id":"GHSA-3qgv-jw3w-gq48","title":"An issue was discovered in Botan 1.11.32 through 2.x before 2.6.0. An off-by-one error when...","description":"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 exactly 64K bytes of data following the record buffer, aka an over-read. The MAC comparison will subsequently fail and the connection will be closed. This could be used for denial of service. No information leak occurs.","status":"published","published":"2022-05-13T01:53:57Z","modified":"2023-02-02T05:02:30Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-193"],"updated_at":"2026-11-02T14:51:27.190242Z"}],"nvd":[{"id":"CVE-2018-9860","description":"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 exactly 64K bytes of data following the record buffer, aka an over-read. The MAC comparison will subsequently fail and the connection will be closed. This could be used for denial of service. No information leak occurs.","status":"published","published":"2018-04-12T05:29:00.22Z","modified":"2026-06-17T02:07:18.373Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-193"],"updated_at":"2026-11-02T14:04:25.506659Z"}],"osv":[{"id":"ALPINE-CVE-2018-9860","description":"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 exactly 64K bytes of data following the record buffer, aka an over-read. The MAC comparison will subsequently fail and the connection will be closed. This could be used for denial of service. No information leak occurs.","status":"published","published":"2018-04-12T05:29:00.22Z","modified":"2026-11-03T06:32:28.989754575Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T07:17:41.158523Z"},{"id":"CVE-2018-9860","description":"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 exactly 64K bytes of data following the record buffer, aka an over-read. The MAC comparison will subsequently fail and the connection will be closed. This could be used for denial of service. No information leak occurs.","status":"published","published":"2018-04-12T05:29:00.22Z","modified":"2026-10-24T10:30:22.645897829Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:10.051046Z"},{"id":"DEBIAN-CVE-2018-9860","description":"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 exactly 64K bytes of data following the record buffer, aka an over-read. The MAC comparison will subsequently fail and the connection will be closed. This could be used for denial of service. No information leak occurs.","status":"published","published":"2018-04-12T05:29:00.22Z","modified":"2026-10-23T18:03:23.851648098Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:31.170944Z"},{"id":"UBUNTU-CVE-2018-9860","description":"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 exactly 64K bytes of data following the record buffer, aka an over-read. The MAC comparison will subsequently fail and the connection will be closed. This could be used for denial of service. No information leak occurs.","status":"published","published":"2018-04-12T05:29:00Z","modified":"2026-04-22T12:04:36.960367Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:18.772093Z"},{"id":"openSUSE-SU-2024:10594-1","title":"Botan-2.18.1-1.3 on GA media","description":"These are all security issues fixed in the Botan-2.18.1-1.3 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:20:29.939433Z","updated_at":"2026-11-02T16:58:34.487567Z"}]}}