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High severity8.1NVD Advisory· Published Oct 8, 2018· Updated Jun 17, 2026

CVE-2018-1000807

CVE-2018-1000807

Description

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.

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Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
pyopensslPyPI
< 17.5.017.5.0

Affected products

251

Patches

Vulnerability mechanics

References

9

News mentions

0

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