{"id":"CVE-2023-50782","aliases":["GHSA-3ww4-gg4f-jr7f","PYSEC-2026-1283"],"url":"https://o3.security/vulnerability/CVE-2023-50782","summary":"Python-cryptography: bleichenbacher timing oracle attack against rsa decryption - incomplete fix for cve-2020-25659","details":"A flaw was found in the python-cryptography package. 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.","published":"2024-02-05T20:45:49.705Z","modified":"2026-07-15T01:49:13.170302270Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"cryptography","fixedVersion":"42.0.0"}],"fix":null,"references":[{"type":"WEB","url":"https://access.redhat.com/downloads/content/package-browser/"},{"type":"WEB","url":"https://www.couchbase.com/alerts/"},{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2023-50782"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/50xxx/CVE-2023-50782.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-50782"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2254432"},{"type":"PACKAGE","url":"https://github.com/pyca/cryptography"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-15T01:49:13.170302270Z"}}