Packages
- pyjwt - Python 3 implementation of JSON Web Token
Details
It was discovered that PyJWT did not validate the critical header
parameter, contrary to the RFC specification expectations. A remote
attacker could possibly use this issue to bypass certain authentication
checks and restrictions.
It was discovered that PyJWT did not validate the critical header
parameter, contrary to the RFC specification expectations. A remote
attacker could possibly use this issue to bypass certain authentication
checks and restrictions.
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-jwt – 2.10.1-2ubuntu0.1 | ||
| 24.04 LTS noble | python3-jwt – 2.7.0-1ubuntu0.1 | ||
| 22.04 LTS jammy | python3-jwt – 2.3.0-1ubuntu0.3 | ||
| 20.04 LTS focal | python3-jwt – 1.7.1-2ubuntu2.1+esm1 | ||
| 18.04 LTS bionic | python-jwt – 1.5.3+ds1-1ubuntu0.1+esm1 | ||
| python3-jwt – 1.5.3+ds1-1ubuntu0.1+esm1 | |||
| 16.04 LTS xenial | python-jwt – 1.3.0-1ubuntu0.1+esm1 | ||
| python3-jwt – 1.3.0-1ubuntu0.1+esm1 | |||
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