Description
dbus 1.3.0 before 1.6.22 and 1.8.x before 1.8.6 allows local users to cause a denial of service (disconnect) via a certain sequence of crafted messages that cause the dbus-daemon to forward a message containing an invalid file descriptor.
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 | dbus | 1.8.6-1 | — |
| Debian 13 | dbus | 1.8.6-1 | — |
| Debian 12 | dbus | 1.8.6-1 | — |
| Debian 7 | dbus | 1.6.8-1+deb7u3 | DSA-2971-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | dbus | 1.6.18-0ubuntu4.1 | USN-2275-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | dbus-1 | 1.10.12-2.1 | openSUSE-SU-2024:10517-1 |
Advisories 3
- USN-2275-1 dbus vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DSA-2971-1 dbus - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10517-1 dbus-1-1.10.12-2.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- 59798 third-party-advisory
- 59611 third-party-advisory
- openSUSE-SU-2014:1239 vendor-advisory
- 60236 third-party-advisory
- https://bugs.freedesktop.org/show_bug.cgi?id=80469
- http://advisories.mageia.org/MGASA-2014-0294.html
- http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html
- DSA-2971 vendor-advisory
- https://bugs.freedesktop.org/show_bug.cgi?id=79694
- [oss-security] 20140702 CVE-2014-3532, -3533: two local DoS vulnerabilities in dbus-daemon mailing-list
- MDVSA-2015:176 vendor-advisory