Vulnerability Details : CVE-2018-1000807

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.
Vulnerability category: Memory CorruptionExecute codeDenial of service
Published 2018-10-08 15:29:01
Updated 2023-11-17 22:15:07
Source MITRE
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2018-1000807

Probability of exploitation activity in the next 30 days: 9.98%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 94 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2018-1000807

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Source
6.8
 MEDIUM AV:N/AC:M/Au:N/C:P/I:P/A:P
8.6
6.4
 nvd@nist.gov
8.1
 HIGH CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
2.2
5.9
 nvd@nist.gov

CWE ids for CVE-2018-1000807

  • Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-1000807

Products affected by CVE-2018-1000807

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