CVE-2014-3864

Directory traversal vulnerability in dpkg-source in dpkg-dev 1.3.0 allows remote attackers to modify files outside of the intended directories via a crafted source package that lacks a --- header line.

Published: 2014-05-30 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2014-3864 is rated Moderate Risk (49.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.61%). Mandatory action: Review affected assets and schedule remediation.

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-2014-3864

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 2026-05-16 0.98% 0.61% -0.37%
2 2025-04-14 1.33% 0.98% -0.35%
3 2025-03-30 1.33%

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-3864

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.4 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
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:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 4.9 [email protected]

Weakness enumeration for CVE-2014-3864

OS Trackers for CVE-2014-3864

vendor priority summary link
debian not yet assigned CVE-2014-3864 not yet assigned priority: Debian including 1 source packages (dpkg), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2014-3864
ubuntu medium CVE-2014-3864 medium priority: Ubuntu including 1 source packages (dpkg), 5 status rows across 5 suites (lucid, precise, saucy, trusty, upstream): released 5. https://ubuntu.com/security/CVE-2014-3864

Affected software / configurations for CVE-2014-3864

Vendor Product Version Raw CPE
debian dpkg-dev 1.3.0 cpe:2.3:a:debian:dpkg-dev:1.3.0:*:*:*:*:*:*:*

References for CVE-2014-3864

cvelogic Threat Intelligence