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Pyopenssl

Records3All Threatist records
Exploited (KEV)0None in CISA KEV
CVSS critical0CVSS 9.0–10.0
CVSS high2CVSS 7.0–8.9

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Pyopenssl records in CISA KEV

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Pyopenssl 3 records MEDIUM

Records

3 records in Pyopenssl · all components

TI-2018-16031 CVE-2018-1000807 · GHSA-p28m-34f6-967q

Python Cryptographic Authority pyopenssl version prior to version 17.5.0 contains a…

Priority MEDIUM 42

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 o…

CVSS 3.1HIGH 8.1 Network No auth No interaction EPSS 0.04075 Published 2018-10-08 Partial fix · 17.5.0 CWE-416
TI-2026-21866 CVE-2026-27459 · GHSA-5pwr-322w-8jr4

pyOpenSSL DTLS cookie callback buffer overflow

Priority LOW 35

pyOpenSSL is a Python wrapper around the OpenSSL library.

CVSS 4.0HIGH 7.2 Network No auth No interaction EPSS 0.00748 Published 2026-03-17 Partial fix · 26.0.0 CWE-120
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