Description
dbus 1.3.0 before 1.6.22 and 1.8.x before 1.8.6, when running on Linux 2.6.37-rc4 or later, allows local users to cause a denial of service (system-bus disconnect of other services or applications) by sending a message containing a file descriptor, then exceeding the maximum recursion depth before the initial message is forwarded.
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
- http://advisories.mageia.org/MGASA-2014-0294.html
- https://bugs.freedesktop.org/show_bug.cgi?id=80163
- http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html
- DSA-2971 vendor-advisory
- [oss-security] 20140702 CVE-2014-3532, -3533: two local DoS vulnerabilities in dbus-daemon mailing-list
- MDVSA-2015:176 vendor-advisory