MEDIUM5.3
PYSEC-2026-1811
PyCryptodome and pycryptodomex side-channel leakage for OAEP decryption
Quick fix
PYSEC-2026-1811 — pycryptodome: upgrade to the fixed version with the command below.
pip install --upgrade 'pycryptodome>=3.19.1'Details
PyCryptodome and pycryptodomex before 3.19.1 allow side-channel leakage for OAEP decryption, exploitable for a Manger attack.
Are you affected?
Enter the version of the package you're using.
Affected packages
References
- https://nvd.nist.gov/vuln/detail/CVE-2023-52323[ADVISORY]
- https://github.com/Legrandin/pycryptodome/commit/0deea1bfe1489e8c80d2053bbb06a1aa0b181ebd[WEB]
- https://github.com/Legrandin/pycryptodome[PACKAGE]
- https://github.com/Legrandin/pycryptodome/blob/master/Changelog.rst[WEB]
- https://github.com/pypa/advisory-database/tree/main/vulns/pycryptodomex/PYSEC-2024-3.yaml[WEB]
- https://pypi.org/project/pycryptodomex/#history[WEB]
- https://pypi.org/project/pycryptodome[PACKAGE]
- https://github.com/advisories/GHSA-j225-cvw7-qrx7[ADVISORY]