Description
Multiple directory traversal vulnerabilities in dpkg-source in dpkg-dev 1.3.0 allow remote attackers to modify files outside of the intended directories via a source package with a crafted Index: pseudo-header in conjunction with (1) missing --- and +++ header lines or (2) a +++ header line with a blank pathname.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | dpkg | 1.17.10 | — |
| Debian 13 | dpkg | 1.17.10 | — |
| Debian 12 | dpkg | 1.17.10 | — |
| Debian 7 | dpkg | 1.16.15 | DSA-2953-1 |
| Debian 6.0 | dpkg | 1.15.11 | DSA-2953-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | dpkg | 1.17.5ubuntu5.3 | USN-2242-1 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Exploit-DB 1
- dpkg Source Package - Index: pseudo-header Processing Multiple Local Directory Traversals EDB-39207 · local · May 25, 2014 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 2
- USN-2242-1 dpkg vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DSA-2953-1 dpkg - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- USN-2242-1 vendor-advisory
- DSA-2953 vendor-advisory
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=749183
- [oss-security] 20140525 CVE request: another path traversal in dpkg-source during unpack mailing-list
- 67727 vdb-entry