PSF-2019-8 TALOS-2018-0758 SSL CRL distribution points Denial of Service

An exploitable denial-of-service vulnerability exists in the X509 certificate parser of Python.org Python 2.7.11 / 3.6.6. A specially crafted X509 certificate can cause a NULL pointer dereference, resulting in a denial of service. An attacker can initiate or accept TLS connections using crafted...

Python -- NULL pointer dereference vulnerability

Python Changelog: bpo-35746: CVE-2019-5010 Fix a NULL pointer deref in ssl module. The cert parser did not handle CRL distribution points with empty DP or URI correctly. A malicious or buggy certificate can result into segfault. Vulnerability TALOS-2018-0758 reported by Colin Read and Nicolas Ede...