Directory traversal vulnerability in dpkg-source in dpkg-dev 1.3.0 allows remote attackers to modify files outside of the intended director…

published 2014-05-30 12 y ago modified 2026-06-17 4 mo ago also EUVD-2014-3801

cvss: 6.4; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 2.8%; EPSS 2.8% chance of exploitation in 30 days, percentile 86%
public exploits: 0; none known

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.

Patch / fix

distros 2

debian ubuntu

dpkg Debian 14, Debian 13, Debian 12 1.17.10

debian advisories DEBIAN-CVE-2014-3864

dpkg Ubuntu 14.04 LTS 1.17.5ubuntu5.3

ubuntu advisories UBUNTU-CVE-2014-3864

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2014-3864 updated 2025-11-21 cvss 1.9

dpkg: multiple directory traversal flaws in dpkg-source

Red Hat All currently supported Red Hat products
not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.83% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	2.0	6.4	AV:N/AC:L/Au:N/C:N/I:P/A:P

Classification

Weakness

CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

ubuntu.com /usn/USN-2242-1
vendor-advisory
debian.org /security/2014/dsa-2953
vendor-advisory
bugs.debian.org /cgi-bin/bugreport.cgi?bug=746498
vendor-advisory
openwall.com /lists/oss-security/2014/05/25/2
mailing-list
securityfocus.com /bid/67725
vdb-entry

Sources

CVE List CVE-2014-3864
NVD CVE-2014-3864

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary