CVE-2018-1000807
PyOpenSSL Use-After-Free vulnerability
8.1
HIGH
CVSS 3.1
EPSS 2.9%
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.
How to fix CVE-2018-1000807
To remediate CVE-2018-1000807, upgrade the affected package to a fixed version below.
- —upgrade to 17.5.0-r0 or later
- —upgrade to 17.5.0-1 or later
- —upgrade to 17.5.0 or later
- —upgrade to 17.5.0 or later
Is CVE-2018-1000807 being exploited?
Low — EPSS is 2.9%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- from 0, < 17.5.0-r0
- from 0, < 17.5.0-1
- from 0, < 17.5.0
- from 0, < 17.5.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |