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Package details: pkg:pypi/pyopenssl@16.1.0
purl pkg:pypi/pyopenssl@16.1.0
Next non-vulnerable version 17.5.0
Latest non-vulnerable version 17.5.0
Risk
Vulnerabilities affecting this package (2)
Vulnerability Summary Fixed by
VCID-de5n-619s-vugq
Aliases:
CVE-2018-1000808
GHSA-2rcm-phc9-3945
PYSEC-2018-24
Python Cryptographic Authority pyopenssl version Before 17.5.0 contains a CWE - 401 : Failure to Release Memory Before Removing Last Reference vulnerability in PKCS #12 Store that can result in Denial of service if memory runs low or is exhausted. This attack appear to be exploitable via Depends upon calling application, however it could be as simple as initiating a TLS connection. Anything that would cause the calling application to reload certificates from a PKCS #12 store.. This vulnerability appears to have been fixed in 17.5.0.
17.5.0
Affected by 0 other vulnerabilities.
VCID-h5j7-qc1s-u7er
Aliases:
CVE-2018-1000807
GHSA-p28m-34f6-967q
PYSEC-2018-23
Python Cryptographic Authority pyopenssl version prior to version 17.5.0 contains a CWE-416: Use After Free vulnerability in X509 object handling that can result in Use after free can lead to possible denial of service or remote code execution.. This attack appear to be exploitable via Depends on the calling application and if it retains a reference to the memory.. This vulnerability appears to have been fixed in 17.5.0.
17.5.0
Affected by 0 other vulnerabilities.
Vulnerabilities fixed by this package (0)
Vulnerability Summary Aliases
This package is not known to fix vulnerabilities.

Date Actor Action Vulnerability Source VulnerableCode Version
2026-06-02T04:05:19.538942+00:00 Pypa Importer Affected by VCID-h5j7-qc1s-u7er https://github.com/pypa/advisory-database/blob/main/vulns/pyopenssl/PYSEC-2018-23.yaml 38.6.0
2026-06-02T04:05:19.422045+00:00 Pypa Importer Affected by VCID-de5n-619s-vugq https://github.com/pypa/advisory-database/blob/main/vulns/pyopenssl/PYSEC-2018-24.yaml 38.6.0