Packages
- python-cryptography - Cryptography Python library
Details
It was discovered that python-cryptography incorrectly handled subgroup
validation for SECT curves. A remote attacker could use this issue to
perform a subgroup attack and possibly recover the least significant bits
of private keys.
It was discovered that python-cryptography incorrectly handled subgroup
validation for SECT curves. A remote attacker could use this issue to
perform a subgroup attack and possibly recover the least significant bits
of private keys.
Update instructions
In general, a standard system update will make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 25.10 questing | python3-cryptography – 43.0.0-1ubuntu1.1 | ||
| 24.04 LTS noble | python3-cryptography – 41.0.7-4ubuntu0.3 | ||
| 22.04 LTS jammy | python3-cryptography – 3.4.8-1ubuntu2.3 | ||
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