CVSS 3.1
8.1 highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HCVE-2018-1000807
High (8.1). EPSS 4.1% chance of exploitation in the next 30 days. Fixed in pyopenssl 17.5.0.
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.
Severity
- EPSS
- 4.1% chance of exploitation in the next 30 days; higher than 90% of CVEs (scores of 2026-10-31)
- CWE
- CWE-416
- Published
- Modified
- Record from
- the NVD, synced
Affected
- canonical:ubuntu_linux
- pyopenssl:pyopenssl
- redhat:enterprise_linux_desktop
- redhat:enterprise_linux_server
- redhat:enterprise_linux_workstation
- redhat:openstack
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-p28m-34f6-967q | PyPI | pyopenssl | <17.5.0 | 17.5.0 |
| PYSEC-2018-23 | PyPI | pyopenssl | <17.5.0 | 17.5.0 |