Description
The _dbus_printf_string_upper_bound function in dbus/dbus-sysdeps-unix.c in D-Bus (aka DBus) 1.4.x before 1.4.26, 1.6.x before 1.6.12, and 1.7.x before 1.7.4 allows local users to cause a denial of service (service crash) via a crafted message.
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 | 1.6.12-1 | — |
| Debian 13 | dbus | 1.6.12-1 | — |
| Debian 12 | dbus | 1.6.12-1 | — |
| Debian 7 | dbus | 1.6.8-1+deb7u1 | DSA-2707-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | dbus-1 | 1.10.12-2.1 | openSUSE-SU-2024:10517-1 |
Advisories 2
- DSA-2707-1 dbus - denial of service 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
- DSA-2707 vendor-advisory
- FEDORA-2013-11142 vendor-advisory
- openSUSE-SU-2014:1239 vendor-advisory
- MDVSA-2013:177 vendor-advisory
- openSUSE-SU-2013:1118 vendor-advisory
- 53317 third-party-advisory
- FEDORA-2013-11198 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=974109
- oval:org.mitre.oval:def:16881 vdb-entry signature
- 1028667 vdb-entry
- http://cgit.freedesktop.org/dbus/dbus/commit/?id=954d75b2b64e4799f360d2a6bf9cff6d9fee37e7
- USN-1874-1 vendor-advisory
- [oss-security] 20130613 CVE-2013-2168: dbus: DoS in system services caused by _dbus_printf_string_upper_bound mailing-list
- 53832 third-party-advisory
- [dbus] 20130613 CVE-2013-2168: dbus: DoS in system services caused by _dbus_printf_string_upper_bound mailing-list
- 60546 vdb-entry