python3-cryptography: The python-cryptography packages contain a Python Cryptographic Authority's (PyCA's) cryptography library, which prov...
CVE-2020-25659 is fixed in 2 products on 1 platform, first by python-cryptography 2.1.4-1ubuntu1.4, released October 27, 2020. It is not reported as exploited. Patch Radar priority: Routine.
The python-cryptography packages contain a Python Cryptographic Authority's (PyCA's) cryptography library, which provides cryptographic primitives and recipes to Python developers. The following packages have been upgraded to a later upstream version: python-cryptography (3.2.1). (BZ#1873581, BZ#1891947) Security Fix(es): * python-cryptography: bleichenbacher timing oracle attack against RSA decryption (CVE-2020-25659) * python-cryptography: certain sequences of update() calls when symmetrically encrypting very large payloads could result in an integer overflow and lead to buffer overflows (CVE-2020-36242) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.4 Release Notes linked from the References section.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| python-cryptography · Ubuntu 18.04.6 LTS (bionic) | 2.1.4-1ubuntu1.4 | python-cryptography 2.1.4-1ubuntu1.4 | Oct 27, 2020 |
| python-cryptography · Ubuntu 20.04 LTS (focal) | 2.8-3ubuntu0.1 | python-cryptography 2.8-3ubuntu0.1 | Oct 27, 2020 |
| python3-cryptography · RHEL 8 | 0:3.2.1-4.el8 | RHSA-2021:1608 | May 18, 2021 |
| python3-cryptography · Ubuntu 18.04.6 LTS (bionic) | 2.1.4-1ubuntu1.4 | python3-cryptography 2.1.4-1ubuntu1.4 | Oct 27, 2020 |
| python3-cryptography · Ubuntu 20.04 LTS (focal) | 2.8-3ubuntu0.1 | python3-cryptography 2.8-3ubuntu0.1 | Oct 27, 2020 |
| python3-cryptography · ol 8 | 0:3.2.1-4.el8 | ELSA-2021-1608 | May 25, 2021 |
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