Vulnerability Details : CVE-2018-14598

An issue was discovered in XListExtensions in ListExt.c in libX11 through 1.6.5. A malicious server can send a reply in which the first string overflows, causing a variable to be set to NULL that will be freed later on, leading to DoS (segmentation fault).
Published 2018-08-24 19:29:01
Updated 2019-08-06 17:15:23
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Memory CorruptionInput validationDenial of service

Exploit prediction scoring system (EPSS) score for CVE-2018-14598

EPSS FAQ
1.00%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 83 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-14598

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.0
 MEDIUM AV:N/AC:L/Au:N/C:N/I:N/A:P
10.0
2.9
 NIST
7.5
 HIGH CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.9
3.6
 NIST

CWE ids for CVE-2018-14598

  • The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-14598

Products affected by CVE-2018-14598

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