CVE-2014-3426

NCSA Mosaic 2.1 through 2.7b5 allows local users to cause a denial of service ("remote control" outage) by creating a /tmp/Mosaic.pid file for every possible PID.

Published: 2014-05-08 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2014-3426 is rated Low Risk (15.7/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.29%). Mandatory action: Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2014-3426

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.05% 0.29% +0.24%
2 2025-03-23 0.04% 0.05% +0.01%
3 2023-03-07 0.04%

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-3426

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
2.1 2.0 LOW
AV:L/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
3.9 2.9 [email protected]

Weakness enumeration for CVE-2014-3426

Affected software / configurations for CVE-2014-3426

Vendor Product Version Raw CPE
illinois ncsa_mosaic 2.1 cpe:2.3:a:illinois:ncsa_mosaic:2.1:*:*:*:*:*:*:*
illinois ncsa_mosaic 2.7 cpe:2.3:a:illinois:ncsa_mosaic:2.7:-:*:*:*:*:*:*
illinois ncsa_mosaic 2.7 cpe:2.3:a:illinois:ncsa_mosaic:2.7:b5:*:*:*:*:*:*

References for CVE-2014-3426

cvelogic Threat Intelligence