Description
Python Cryptographic Authority pyopenssl version Before 17.5.0 contains a CWE - 401 : Failure to Release Memory Before Removing Last Reference vulnerability in PKCS #12 Store that can result in Denial of service if memory runs low or is exhausted. This attack appear to be exploitable via Depends upon calling application, however it could be as simple as initiating a TLS connection. Anything that would cause the calling application to reload certificates from a PKCS #12 store.. This vulnerability appears to have been fixed in 17.5.0.
Published: 2018-10-08
Score: 5.9 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2018-0124 Python Cryptographic Authority pyopenssl version Before 17.5.0 contains a CWE - 401 : Failure to Release Memory Before Removing Last Reference vulnerability in PKCS #12 Store that can result in Denial of service if memory runs low or is exhausted. This attack appear to be exploitable via Depends upon calling application, however it could be as simple as initiating a TLS connection. Anything that would cause the calling application to reload certificates from a PKCS #12 store.. This vulnerability appears to have been fixed in 17.5.0.
Github GHSA Github GHSA GHSA-2rcm-phc9-3945 Pyopenssl Incorrect Memory Management
Ubuntu USN Ubuntu USN USN-3813-1 pyOpenSSL vulnerabilities
History

Sun, 13 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00214}

epss

{'score': 0.00164}


Subscriptions

Canonical Ubuntu Linux
Pyopenssl Project Pyopenssl
Redhat Enterprise Linux Desktop Enterprise Linux Server Enterprise Linux Workstation Gluster Storage Openstack
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-05T12:47:57.338Z

Reserved: 2018-09-20T00:00:00.000Z

Link: CVE-2018-1000808

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2018-10-08T15:29:00.947

Modified: 2024-11-21T03:40:23.967

Link: CVE-2018-1000808

cve-icon Redhat

Severity : Low

Publid Date: 2017-11-29T00:00:00Z

Links: CVE-2018-1000808 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses