{"id":"CVE-2019-1563","revision":"789c49a8155643d8bef5b92697636906","records":[{"revision":"789c49a8155643d8bef5b92697636906","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2019-1563","aliases":[],"title":"Padding Oracle in PKCS7_dataDecode and CMS_decrypt_set1_pkey","description":"In situations where an attacker receives automated notification of the success or failure of a decryption attempt an attacker, after sending a very large number of messages to be decrypted, can recover a CMS/PKCS7 transported encryption key or decrypt any RSA encrypted message that was encrypted with the public RSA key, using a Bleichenbacher padding oracle attack. Applications are not affected if they use a certificate together with the private RSA key to the CMS_decrypt or PKCS7_decrypt functions to select the correct recipient info to decrypt. Fixed in OpenSSL 1.1.1d (Affected 1.1.1-1.1.1c). Fixed in OpenSSL 1.1.0l (Affected 1.1.0-1.1.0k). Fixed in OpenSSL 1.0.2t (Affected 1.0.2-1.0.2s).","state":0,"publishedAt":"2019-09-10T16:58:35.407+00:00","modifiedAt":"2026-10-08T21:13:59.896+00:00","affected":[{"ecosystem":"Vendor product","name":"OpenSSL","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"OpenSSL\",\n                    \"vendor\": \"OpenSSL\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"Fixed in OpenSSL 1.1.1d (Affected 1.1.1-1.1.1c)\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"Fixed in OpenSSL 1.1.0l (Affected 1.1.0-1.1.0k)\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"Fixed in OpenSSL 1.0.2t (Affected 1.0.2-1.0.2s)\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://seclists.org/bugtraq/2019/Sep/25","http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00054.html","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GY6SNRJP2S7Y42GIIDO3HXPNMDYN2U3A/","http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00072.html","https://lists.debian.org/debian-lts-announce/2019/09/msg00026.html","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZN4VVQJ3JDCHGIHV4Y2YTXBYQZ6PWQ7E/","https://seclists.org/bugtraq/2019/Oct/1","https://seclists.org/bugtraq/2019/Oct/0","https://www.debian.org/security/2019/dsa-4539","https://www.debian.org/security/2019/dsa-4540","http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00012.html","http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00016.html","https://security.gentoo.org/glsa/201911-04","https://usn.ubuntu.com/4376-1/","https://www.oracle.com/security-alerts/cpuapr2020.html","https://www.oracle.com/security-alerts/cpujul2020.html","https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html","https://www.oracle.com/security-alerts/cpujan2020.html","https://www.openssl.org/news/secadv/20190910.txt","http://packetstormsecurity.com/files/154467/Slackware-Security-Advisory-openssl-Updates.html","https://security.netapp.com/advisory/ntap-20190919-0002/","https://www.tenable.com/security/tns-2019-09","https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=08229ad838c50f644d7e928e2eef147b4308ad64","https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=631f94db0065c78181ca9ba5546ebc8bb3884b97","https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=e21f8cf78a125cd3c8c0d1a1a6c8bb0b901f893f","https://support.f5.com/csp/article/K97324400?utm_source=f5support&amp%3Butm_medium=RSS","https://usn.ubuntu.com/4376-2/","https://usn.ubuntu.com/4504-1/","https://www.oracle.com/security-alerts/cpuoct2020.html","https://kc.mcafee.com/corporate/index?page=content&id=SB10365"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2019-1563","license":"CVE Program Terms of Use","key":"cve-program:CVE-2019-1563","identifiers":["CVE-2019-1563"]},"retained":false,"historicalAffected":[]}],"coverage":[]}