CVE-2020-25659

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.

Routine
CVSS
5.9
Moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0246
84th percentile

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

ProductFixed inFixReleased
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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