[USN-6595-1] PyCryptodome vulnerability

Marc Deslauriers marc.deslauriers at canonical.com
Tue Jan 23 15:50:09 UTC 2024

Ubuntu Security Notice USN-6595-1
January 23, 2024

pycryptodome vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 22.04 LTS


PyCryptodome could be made to expose sensitive information.

Software Description:
- pycryptodome: Cryptographic Python library


It was discovered that PyCryptodome had a timing side-channel when
performing OAEP decryption. A remote attacker could possibly use this issue
to recover sensitive information.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 22.04 LTS:
   python3-pycryptodome            3.11.0+dfsg1-3ubuntu0.1

In general, a standard system update will make all the necessary changes.


Package Information:

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