{"id":"CVE-2023-52323","aliases":["GHSA-j225-cvw7-qrx7","PYSEC-2024-3","PYSEC-2026-1811"],"url":"https://o3.security/vulnerability/CVE-2023-52323","summary":"PyCryptodome and pycryptodomex side-channel leakage for OAEP decryption","details":"PyCryptodome and pycryptodomex before 3.19.1 allow side-channel leakage for OAEP decryption, exploitable for a Manger attack.","published":"2024-01-05T00:00:00Z","modified":"2026-08-12T03:51:45.916051754Z","cvss":{"score":5.9,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"},"epss":{"score":0.00618,"percentile":0.47021,"asOf":"2026-08-21"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"pycryptodomex","fixedVersion":"3.19.1"},{"ecosystem":"PyPI","name":"pycryptodome","fixedVersion":"3.19.1"}],"fix":{"url":"https://github.com/Legrandin/pycryptodome/commit/0deea1bfe1489e8c80d2053bbb06a1aa0b181ebd","label":"Legrandin/pycryptodome@0deea1b"},"references":[{"type":"WEB","url":"https://github.com/Legrandin/pycryptodome/blob/master/Changelog.rst"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52323.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-52323"},{"type":"PACKAGE","url":"https://pypi.org/project/pycryptodomex/#history"},{"type":"WEB","url":"https://github.com/Legrandin/pycryptodome/commit/0deea1bfe1489e8c80d2053bbb06a1aa0b181ebd"},{"type":"PACKAGE","url":"https://github.com/Legrandin/pycryptodome"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/pycryptodomex/PYSEC-2024-3.yaml"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:45.916051754Z"}}