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.
Conclusion & alert: CVE-2014-3865 is rated High Exploit Risk (71.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 5.29%). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 39207 | exploit_db | edb | 2014-05-25 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 2026-01-13 | 5.67% | 5.29% | -0.38% |
| 2 | 2025-11-07 | 7.51% | 5.67% | -1.83% |
| 3 | 2025-03-30 | — | 7.51% | — |
Full EPSS history (15 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.4 | 2.0 | MEDIUM |
|
10.0 | 4.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2014-3865 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-2014-3865 |
ubuntu
|
medium | CVE-2014-3865 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-2014-3865 |