CVE-2018-1000807
HIGHPython Cryptographic Authority pyopenssl <17.5.0 - Use After Free
Title source: llmDescription
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.
References (5)
Core 5
Core References
Patch, Third Party Advisory
https://github.com/pyca/pyopenssl/pull/723
Third Party Advisory vendor-advisory
https://access.redhat.com/errata/RHSA-2019:0085
Third Party Advisory vendor-advisory
https://usn.ubuntu.com/3813-1/
Mailing List, Third Party Advisory vendor-advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00014.html
Scores
CVSS v3
8.1
EPSS
0.0288
EPSS Percentile
86.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-416
Status
published
Products (7)
canonical/ubuntu_linux
16.04
pyopenssl/pyopenssl
< 17.5.0
pypi/pyopenssl
0 - 17.5.0PyPI
redhat/enterprise_linux_desktop
7.0
redhat/enterprise_linux_server
7.0
redhat/enterprise_linux_workstation
7.0
redhat/openstack
13
Published
Oct 08, 2018
Tracked Since
Feb 18, 2026