{"id":"CVE-2023-50979","aliases":["DEBIAN-CVE-2023-50979","EUVD-2023-55706","GHSA-w7rq-556w-c7gg","JLSEC-2026-1271","SUSE-SU-2025:4310-1","UBUNTU-CVE-2023-50979","openSUSE-SU-2026:10047-1"],"status":"published","title":"Crypto++ (aka cryptopp) through 8.9.0 has a Marvin side channel during decryption with PKCS#1 v1...","description":"Crypto++ (aka cryptopp) through 8.9.0 has a Marvin side channel during decryption with PKCS#1 v1.5 padding.","severity":{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.0059,"percentile":0.4857,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-203"],"published":"2023-12-18T00:00:00Z","modified":"2026-10-28T02:30:20Z","fixes":[{"ecosystem":"SUSE:Linux Enterprise Module for Basesystem 15 SP6","package":"libcryptopp","fixed_in":["8.6.0-150400.3.12.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Module for Basesystem 15 SP7","package":"libcryptopp","fixed_in":["8.6.0-150400.3.12.1"],"sources":["osv"]},{"ecosystem":"openSUSE:Leap 15.6","package":"libcryptopp","fixed_in":["8.6.0-150400.3.12.1"],"sources":["osv"]},{"ecosystem":"openSUSE:Tumbleweed","package":"libcryptopp","fixed_in":["8.9.0-6.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"libcrypto++","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.7.0+git220824-1","8.8.0-1","8.8.0-2","8.9.0-1","8.9.0-1.1","8.9.0-1.1~exp1","8.9.0-2","8.9.0-3"]},{"source":"osv","ecosystem":"Debian:13","package":"libcrypto++","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.9.0-2","8.9.0-3"]},{"source":"osv","ecosystem":"Debian:14","package":"libcrypto++","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.9.0-2","8.9.0-3"]},{"source":"osv","ecosystem":"Julia","package":"cryptopp_jll","ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Basesystem 15 SP6","package":"libcryptopp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.6.0-150400.3.12.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Basesystem 15 SP7","package":"libcryptopp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.6.0-150400.3.12.1"}]}]},{"source":"osv","ecosystem":"openSUSE:Leap 15.6","package":"libcryptopp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.6.0-150400.3.12.1"}]}]},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"libcrypto++","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.6.1-6","5.6.1-6+deb8u1build0.14.04.1","5.6.1-6+deb8u3build0.14.04.1","5.6.1-6+deb8u3ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"libcrypto++","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.6.1-8","5.6.1-9","5.6.1-9ubuntu0.1","5.6.1-9ubuntu0.1+esm1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"libcrypto++","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.6.4-8"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"libcrypto++","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.6.4-9","5.6.4-9build1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"libcrypto++","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.4.0-1","8.6.0-2ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"libcrypto++","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.8.0-1","8.9.0-1","8.9.0-1.1","8.9.0-1.1build1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"libcrypto++","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.9.0-1.1build1","8.9.0-2"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"libcrypto++","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.9.0-2build1","8.9.0-3"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"libcrypto++","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.9.0-2","8.9.0-2build1"]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"libcryptopp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.9.0-6.1"}]}]}],"products":[{"vendor":"cryptopp","product":"crypto\\+\\+"}],"references":[{"url":"https://github.com/weidai11/cryptopp/issues/1247","tags":["x_transferred","Exploit","report","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-50979","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-w7rq-556w-c7gg"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/50xxx/CVE-2023-50979.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2023-50979","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2025/suse-su-20254310-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1218217","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2023-50979","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2023-50979","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-50979","tags":["report"]},{"url":"","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-50979","description":"Crypto++ (aka cryptopp) through 8.9.0 has a Marvin side channel during decryption with PKCS#1 v1.5 padding.","status":"published","published":"2023-12-18T00:00:00Z","modified":"2024-08-02T22:23:44.212Z","updated_at":"2026-11-02T14:35:34.55015Z"}],"euvd":[{"id":"EUVD-2023-55706","description":"Crypto++ (aka cryptopp) through 8.9.0 has a Marvin side channel during decryption with PKCS#1 v1.5 padding.","status":"published","published":"2023-12-18T00:00:00Z","modified":"2024-08-02T22:23:44Z","updated_at":"2026-11-03T03:26:07.661682Z"}],"ghsa":[{"id":"GHSA-w7rq-556w-c7gg","title":"Crypto++ (aka cryptopp) through 8.9.0 has a Marvin side channel during decryption with PKCS#1 v1...","description":"Crypto++ (aka cryptopp) through 8.9.0 has a Marvin side channel during decryption with PKCS#1 v1.5 padding.","status":"published","published":"2023-12-27T21:30:58Z","modified":"2023-12-27T21:31:05Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-203"],"updated_at":"2026-11-02T14:55:16.928981Z"}],"nvd":[{"id":"CVE-2023-50979","description":"Crypto++ (aka cryptopp) through 8.9.0 has a Marvin side channel during decryption with PKCS#1 v1.5 padding.","status":"published","published":"2023-12-18T04:15:50.97Z","modified":"2026-06-17T06:40:21.163Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-203"],"updated_at":"2026-11-02T14:08:56.329586Z"}],"osv":[{"id":"DEBIAN-CVE-2023-50979","description":"Crypto++ (aka cryptopp) through 8.9.0 has a Marvin side channel during decryption with PKCS#1 v1.5 padding.","status":"published","published":"2023-12-18T04:15:50.97Z","modified":"2026-10-26T18:03:07.140349775Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:45:40.586408Z"},{"id":"JLSEC-2026-1271","description":"Crypto++ (aka cryptopp) through 8.9.0 has a Marvin side channel during decryption with PKCS#1 v1.5 padding.","status":"published","published":"2026-08-13T06:24:20.501Z","modified":"2026-08-13T06:30:03.150919172Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:47:18.159338Z"},{"id":"UBUNTU-CVE-2023-50979","description":"Crypto++ (aka cryptopp) through 8.9.0 has a Marvin side channel during decryption with PKCS#1 v1.5 padding.","status":"published","published":"2023-12-18T04:15:00Z","modified":"2026-10-17T12:57:21.759946564Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T16:54:23.935133Z"},{"id":"CVE-2023-50979","description":"Crypto++ (aka cryptopp) through 8.9.0 has a Marvin side channel during decryption with PKCS#1 v1.5 padding.","status":"published","published":"2023-12-18T00:00:00Z","modified":"2026-10-28T02:30:20.53795384Z","updated_at":"2026-11-02T15:44:35.245372Z"},{"id":"openSUSE-SU-2026:10047-1","title":"libcryptopp-devel-8.9.0-6.1 on GA media","description":"These are all security issues fixed in the libcryptopp-devel-8.9.0-6.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-01-14T00:00:00Z","modified":"2026-03-23T04:54:23.58581Z","updated_at":"2026-11-02T16:58:38.101535Z"},{"id":"SUSE-SU-2025:4310-1","title":"Security update for libcryptopp","description":"This update for libcryptopp fixes the following issues:\n\n- CVE-2023-50979: Fixed side-channel leakage during decryption with PKCS#1v1.5 padding. (bsc#1218217)\n","status":"published","published":"2025-11-28T15:54:32Z","modified":"2026-02-04T04:20:22.859227Z","updated_at":"2026-11-02T15:54:00.344164Z"}]}}