{"id":"CVE-2023-50781","revision":"18354d36640f413bb80fd84fda759b60","records":[{"revision":"18354d36640f413bb80fd84fda759b60","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2023-50781","aliases":[],"title":"M2crypto: bleichenbacher timing attacks in the rsa decryption api - incomplete fix for cve-2020-25657","description":"A flaw was found in m2crypto. This issue may allow a remote attacker to decrypt captured messages in TLS servers that use RSA key exchanges, which may lead to exposure of confidential or sensitive data.","state":0,"publishedAt":"2024-02-05T20:45:14.089+00:00","modifiedAt":"2026-10-15T00:08:56.351+00:00","affected":[{"ecosystem":"https://gitlab.com/m2crypto/m2crypto","name":"m2crypto","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"packageName\": \"m2crypto\",\n                    \"collectionURL\": \"https://gitlab.com/m2crypto/m2crypto\",\n                    \"defaultStatus\": \"affected\"\n                }"},{"ecosystem":"https://access.redhat.com/downloads/content/package-browser/","name":"m2crypto","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Red Hat\",\n                    \"product\": \"Red Hat Enterprise Linux 6\",\n                    \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\",\n                    \"packageName\": \"m2crypto\",\n                    \"defaultStatus\": \"unknown\",\n                    \"cpes\": [\n                        \"cpe:/o:redhat:enterprise_linux:6\"\n                    ]\n                }"},{"ecosystem":"https://access.redhat.com/downloads/content/package-browser/","name":"m2crypto","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Red Hat\",\n                    \"product\": \"Red Hat Enterprise Linux 7\",\n                    \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\",\n                    \"packageName\": \"m2crypto\",\n                    \"defaultStatus\": \"unknown\",\n                    \"cpes\": [\n                        \"cpe:/o:redhat:enterprise_linux:7\"\n                    ]\n                }"},{"ecosystem":"https://access.redhat.com/downloads/content/package-browser/","name":"virt-who","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Red Hat\",\n                    \"product\": \"Red Hat Enterprise Linux 8\",\n                    \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\",\n                    \"packageName\": \"virt-who\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"cpes\": [\n                        \"cpe:/o:redhat:enterprise_linux:8\"\n                    ]\n                }"},{"ecosystem":"https://access.redhat.com/downloads/content/package-browser/","name":"pywbem","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Red Hat\",\n                    \"product\": \"Red Hat Enterprise Linux 9\",\n                    \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\",\n                    \"packageName\": \"pywbem\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"cpes\": [\n                        \"cpe:/o:redhat:enterprise_linux:9\"\n                    ]\n                }"},{"ecosystem":"https://access.redhat.com/downloads/content/package-browser/","name":"virt-who","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Red Hat\",\n                    \"product\": \"Red Hat Enterprise Linux 9\",\n                    \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\",\n                    \"packageName\": \"virt-who\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"cpes\": [\n                        \"cpe:/o:redhat:enterprise_linux:9\"\n                    ]\n                }"},{"ecosystem":"https://access.redhat.com/downloads/content/package-browser/","name":"m2crypto","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Red Hat\",\n                    \"product\": \"Red Hat Update Infrastructure 4 for Cloud Providers\",\n                    \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\",\n                    \"packageName\": \"m2crypto\",\n                    \"defaultStatus\": \"affected\",\n                    \"cpes\": [\n                        \"cpe:/a:redhat:rhui:4::el8\"\n                    ]\n                }"},{"ecosystem":"https://access.redhat.com/downloads/content/package-browser/","name":"m2crypto","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Red Hat\",\n                    \"product\": \"Red Hat Virtualization 4\",\n                    \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\",\n                    \"packageName\": \"m2crypto\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"cpes\": [\n                        \"cpe:/o:redhat:rhev_hypervisor:4\"\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5,"severity":"HIGH"}],"references":["https://access.redhat.com/security/cve/CVE-2023-50781","https://bugzilla.redhat.com/show_bug.cgi?id=2254426"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2023-50781","license":"CVE Program Terms of Use","key":"cve-program:CVE-2023-50781","identifiers":["CVE-2023-50781"]},"retained":false,"historicalAffected":[]}],"coverage":[]}