D-Bus 1.3.0 through 1.6.x before 1.6.24 and 1.8.x before 1.8.8 allows local users to (1) cause a denial of service (prevention of new connections and connection drop) by queuing the maximum number of file descriptors or (2) cause a denial of service (disconnect) via multiple messages that combine to have more than the allowed number of file descriptors for a single sendmsg call.
Conclusion & alert: CVE-2014-3636 is rated Low Risk (13.5/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.06%). 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.
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 | 2025-03-17 | 0.04% | 0.06% | +0.02% |
| 2 | 2023-03-07 | 1.28% | 0.04% | -1.24% |
| 3 | 2022-02-04 | — | 1.28% | — |
Full EPSS history (3 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 1.9 | 2.0 | LOW |
|
3.4 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2014-3636 not yet assigned priority: Debian including 1 source packages (dbus), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2014-3636 |
gentoo
|
normal | CVE-2014-3636: 1 GLSA(s) (201412-12), 1 atom(s) (sys-apps/dbus); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2014-3636 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2014-3636 |
suse
|
medium | — | https://www.suse.com/security/cve/CVE-2014-3636/ |
ubuntu
|
medium | CVE-2014-3636 medium priority: Ubuntu including 1 source packages (dbus), 4 status rows across 4 suites (lucid, precise, trusty, upstream): released 3, not-affected 1. | https://ubuntu.com/security/CVE-2014-3636 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| d-bus_project | d-bus | <= 1.6.22 | cpe:2.3:a:d-bus_project:d-bus:*:*:*:*:*:*:*:* |
| freedesktop | dbus | 1.8.0 | cpe:2.3:a:freedesktop:dbus:1.8.0:*:*:*:*:*:*:* |
| freedesktop | dbus | 1.8.2 | cpe:2.3:a:freedesktop:dbus:1.8.2:*:*:*:*:*:*:* |
| freedesktop | dbus | 1.8.4 | cpe:2.3:a:freedesktop:dbus:1.8.4:*:*:*:*:*:*:* |
| freedesktop | dbus | 1.8.6 | cpe:2.3:a:freedesktop:dbus:1.8.6:*:*:*:*:*:*:* |
| opensuse | opensuse | 12.3 | cpe:2.3:o:opensuse:opensuse:12.3:*:*:*:*:*:*:* |