The dbus_signature_validate function in the D-bus library (libdbus) before 1.2.4 allows…
Priority LOW 19CWE-20Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
The dbus_signature_validate function in the D-bus library (libdbus) before 1.2.4 allows remote attackers to cause a denial of service (application abort) via a message containing a malformed signature, which triggers a failed assertion error.
Why it matters now
EPSS 0.04585 91st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Red Hat: 1 advisory
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 44
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:freedesktop:dbus:*:*:*:*:*:*:*:* | up to 1.1.4 | Vulnerable | Freedesktop |
| cpe:2.3:a:freedesktop:dbus:0.1:*:*:*:*:*:*:* | 0.1 | Vulnerable | Freedesktop |
| cpe:2.3:a:freedesktop:dbus:0.2:*:*:*:*:*:*:* | 0.2 | Vulnerable | Freedesktop |
| cpe:2.3:a:freedesktop:dbus:0.3:*:*:*:*:*:*:* | 0.3 | Vulnerable | Freedesktop |
| cpe:2.3:a:freedesktop:dbus:0.4:*:*:*:*:*:*:* | 0.4 | Vulnerable | Freedesktop |
| cpe:2.3:a:freedesktop:dbus:0.5:*:*:*:*:*:*:* | 0.5 | Vulnerable | Freedesktop |
| cpe:2.3:a:freedesktop:dbus:0.6:*:*:*:*:*:*:* | 0.6 | Vulnerable | Freedesktop |
| cpe:2.3:a:freedesktop:dbus:0.7:*:*:*:*:*:*:* | 0.7 | Vulnerable | Freedesktop |
| cpe:2.3:a:freedesktop:dbus:0.8:*:*:*:*:*:*:* | 0.8 | Vulnerable | Freedesktop |
| cpe:2.3:a:freedesktop:dbus:0.9:*:*:*:*:*:*:* | 0.9 | Vulnerable | Freedesktop |
- cpe:2.3:a:freedesktop:dbus:*:*:*:*:*:*:*:* Versions up to 1.1.4 Vulnerable ·Freedesktop
- cpe:2.3:a:freedesktop:dbus:0.1:*:*:*:*:*:*:* Versions 0.1 Vulnerable ·Freedesktop
- cpe:2.3:a:freedesktop:dbus:0.2:*:*:*:*:*:*:* Versions 0.2 Vulnerable ·Freedesktop
- cpe:2.3:a:freedesktop:dbus:0.3:*:*:*:*:*:*:* Versions 0.3 Vulnerable ·Freedesktop
- cpe:2.3:a:freedesktop:dbus:0.4:*:*:*:*:*:*:* Versions 0.4 Vulnerable ·Freedesktop
- cpe:2.3:a:freedesktop:dbus:0.5:*:*:*:*:*:*:* Versions 0.5 Vulnerable ·Freedesktop
- cpe:2.3:a:freedesktop:dbus:0.6:*:*:*:*:*:*:* Versions 0.6 Vulnerable ·Freedesktop
- cpe:2.3:a:freedesktop:dbus:0.7:*:*:*:*:*:*:* Versions 0.7 Vulnerable ·Freedesktop
- cpe:2.3:a:freedesktop:dbus:0.8:*:*:*:*:*:*:* Versions 0.8 Vulnerable ·Freedesktop
- cpe:2.3:a:freedesktop:dbus:0.9:*:*:*:*:*:*:* Versions 0.9 Vulnerable ·Freedesktop
Show 34 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:freedesktop:dbus:0.10:*:*:*:*:*:*:* | 0.10 | Vulnerable | Freedesktop |
| cpe:2.3:a:freedesktop:dbus:0.11:*:*:*:*:*:*:* | 0.11 | Vulnerable | Freedesktop |
| cpe:2.3:a:freedesktop:dbus:0.12:*:*:*:*:*:*:* | 0.12 | Vulnerable | Freedesktop |
| cpe:2.3:a:freedesktop:dbus:0.13:*:*:*:*:*:*:* | 0.13 | Vulnerable | Freedesktop |
| cpe:2.3:a:freedesktop:dbus:0.20:*:*:*:*:*:*:* | 0.20 | Vulnerable | Freedesktop |
| cpe:2.3:a:freedesktop:dbus:0.21:*:*:*:*:*:*:* | 0.21 | Vulnerable | Freedesktop |
| cpe:2.3:a:freedesktop:dbus:0.22:*:*:*:*:*:*:* | 0.22 | Vulnerable | Freedesktop |
| cpe:2.3:a:freedesktop:dbus:0.23:*:*:*:*:*:*:* | 0.23 | Vulnerable | Freedesktop |
| cpe:2.3:a:freedesktop:dbus:0.23.1:*:*:*:*:*:*:* | 0.23.1 | Vulnerable | Freedesktop |
| cpe:2.3:a:freedesktop:dbus:0.23.2:*:*:*:*:*:*:* | 0.23.2 | Vulnerable | Freedesktop |
| cpe:2.3:a:freedesktop:dbus:0.23.3:*:*:*:*:*:*:* | 0.23.3 | Vulnerable | Freedesktop |
| cpe:2.3:a:freedesktop:dbus:0.31:*:*:*:*:*:*:* | 0.31 | Vulnerable | Freedesktop |
| cpe:2.3:a:freedesktop:dbus:0.32:*:*:*:*:*:*:* | 0.32 | Vulnerable | Freedesktop |
| cpe:2.3:a:freedesktop:dbus:0.33:*:*:*:*:*:*:* | 0.33 | Vulnerable | Freedesktop |
| cpe:2.3:a:freedesktop:dbus:0.34:*:*:*:*:*:*:* | 0.34 | Vulnerable | Freedesktop |
| cpe:2.3:a:freedesktop:dbus:0.35:*:*:*:*:*:*:* | 0.35 | Vulnerable | Freedesktop |
| cpe:2.3:a:freedesktop:dbus:0.35.1:*:*:*:*:*:*:* | 0.35.1 | Vulnerable | Freedesktop |
| cpe:2.3:a:freedesktop:dbus:0.35.2:*:*:*:*:*:*:* | 0.35.2 | Vulnerable | Freedesktop |
| cpe:2.3:a:freedesktop:dbus:0.36:*:*:*:*:*:*:* | 0.36 | Vulnerable | Freedesktop |
| cpe:2.3:a:freedesktop:dbus:0.36.1:*:*:*:*:*:*:* | 0.36.1 | Vulnerable | Freedesktop |
| cpe:2.3:a:freedesktop:dbus:0.36.2:*:*:*:*:*:*:* | 0.36.2 | Vulnerable | Freedesktop |
| cpe:2.3:a:freedesktop:dbus:0.50:*:*:*:*:*:*:* | 0.50 | Vulnerable | Freedesktop |
| cpe:2.3:a:freedesktop:dbus:0.61:*:*:*:*:*:*:* | 0.61 | Vulnerable | Freedesktop |
| cpe:2.3:a:freedesktop:dbus:0.62:*:*:*:*:*:*:* | 0.62 | Vulnerable | Freedesktop |
| cpe:2.3:a:freedesktop:dbus:0.90:*:*:*:*:*:*:* | 0.90 | Vulnerable | Freedesktop |
| cpe:2.3:a:freedesktop:dbus:0.91:*:*:*:*:*:*:* | 0.91 | Vulnerable | Freedesktop |
| cpe:2.3:a:freedesktop:dbus:0.92:*:*:*:*:*:*:* | 0.92 | Vulnerable | Freedesktop |
| cpe:2.3:a:freedesktop:dbus:1.0.2:*:*:*:*:*:*:* | 1.0.2 | Vulnerable | Freedesktop |
| cpe:2.3:a:freedesktop:dbus:1.1.1:*:*:*:*:*:*:* | 1.1.1 | Vulnerable | Freedesktop |
| cpe:2.3:a:freedesktop:dbus:1.1.2:*:*:*:*:*:*:* | 1.1.2 | Vulnerable | Freedesktop |
| cpe:2.3:a:freedesktop:dbus1.0:rc1:*:*:*:*:*:*:* | rc1 | Vulnerable | Freedesktop |
| cpe:2.3:a:freedesktop:dbus1.0:rc2:*:*:*:*:*:*:* | rc2 | Vulnerable | Freedesktop |
| cpe:2.3:a:freedesktop:dbus1.0:rc3:*:*:*:*:*:*:* | rc3 | Vulnerable | Freedesktop |
| cpe:2.3:a:freedesktop:dbus1.1.0:*:*:*:*:*:*:*:* | all versions | Vulnerable | Freedesktop |
- cpe:2.3:a:freedesktop:dbus:0.10:*:*:*:*:*:*:* Versions 0.10 Vulnerable ·Freedesktop
- cpe:2.3:a:freedesktop:dbus:0.11:*:*:*:*:*:*:* Versions 0.11 Vulnerable ·Freedesktop
- cpe:2.3:a:freedesktop:dbus:0.12:*:*:*:*:*:*:* Versions 0.12 Vulnerable ·Freedesktop
- cpe:2.3:a:freedesktop:dbus:0.13:*:*:*:*:*:*:* Versions 0.13 Vulnerable ·Freedesktop
- cpe:2.3:a:freedesktop:dbus:0.20:*:*:*:*:*:*:* Versions 0.20 Vulnerable ·Freedesktop
- cpe:2.3:a:freedesktop:dbus:0.21:*:*:*:*:*:*:* Versions 0.21 Vulnerable ·Freedesktop
- cpe:2.3:a:freedesktop:dbus:0.22:*:*:*:*:*:*:* Versions 0.22 Vulnerable ·Freedesktop
- cpe:2.3:a:freedesktop:dbus:0.23:*:*:*:*:*:*:* Versions 0.23 Vulnerable ·Freedesktop
- cpe:2.3:a:freedesktop:dbus:0.23.1:*:*:*:*:*:*:* Versions 0.23.1 Vulnerable ·Freedesktop
- cpe:2.3:a:freedesktop:dbus:0.23.2:*:*:*:*:*:*:* Versions 0.23.2 Vulnerable ·Freedesktop
- cpe:2.3:a:freedesktop:dbus:0.23.3:*:*:*:*:*:*:* Versions 0.23.3 Vulnerable ·Freedesktop
- cpe:2.3:a:freedesktop:dbus:0.31:*:*:*:*:*:*:* Versions 0.31 Vulnerable ·Freedesktop
- cpe:2.3:a:freedesktop:dbus:0.32:*:*:*:*:*:*:* Versions 0.32 Vulnerable ·Freedesktop
- cpe:2.3:a:freedesktop:dbus:0.33:*:*:*:*:*:*:* Versions 0.33 Vulnerable ·Freedesktop
- cpe:2.3:a:freedesktop:dbus:0.34:*:*:*:*:*:*:* Versions 0.34 Vulnerable ·Freedesktop
- cpe:2.3:a:freedesktop:dbus:0.35:*:*:*:*:*:*:* Versions 0.35 Vulnerable ·Freedesktop
- cpe:2.3:a:freedesktop:dbus:0.35.1:*:*:*:*:*:*:* Versions 0.35.1 Vulnerable ·Freedesktop
- cpe:2.3:a:freedesktop:dbus:0.35.2:*:*:*:*:*:*:* Versions 0.35.2 Vulnerable ·Freedesktop
- cpe:2.3:a:freedesktop:dbus:0.36:*:*:*:*:*:*:* Versions 0.36 Vulnerable ·Freedesktop
- cpe:2.3:a:freedesktop:dbus:0.36.1:*:*:*:*:*:*:* Versions 0.36.1 Vulnerable ·Freedesktop
- cpe:2.3:a:freedesktop:dbus:0.36.2:*:*:*:*:*:*:* Versions 0.36.2 Vulnerable ·Freedesktop
- cpe:2.3:a:freedesktop:dbus:0.50:*:*:*:*:*:*:* Versions 0.50 Vulnerable ·Freedesktop
- cpe:2.3:a:freedesktop:dbus:0.61:*:*:*:*:*:*:* Versions 0.61 Vulnerable ·Freedesktop
- cpe:2.3:a:freedesktop:dbus:0.62:*:*:*:*:*:*:* Versions 0.62 Vulnerable ·Freedesktop
- cpe:2.3:a:freedesktop:dbus:0.90:*:*:*:*:*:*:* Versions 0.90 Vulnerable ·Freedesktop
- cpe:2.3:a:freedesktop:dbus:0.91:*:*:*:*:*:*:* Versions 0.91 Vulnerable ·Freedesktop
- cpe:2.3:a:freedesktop:dbus:0.92:*:*:*:*:*:*:* Versions 0.92 Vulnerable ·Freedesktop
- cpe:2.3:a:freedesktop:dbus:1.0.2:*:*:*:*:*:*:* Versions 1.0.2 Vulnerable ·Freedesktop
- cpe:2.3:a:freedesktop:dbus:1.1.1:*:*:*:*:*:*:* Versions 1.1.1 Vulnerable ·Freedesktop
- cpe:2.3:a:freedesktop:dbus:1.1.2:*:*:*:*:*:*:* Versions 1.1.2 Vulnerable ·Freedesktop
- cpe:2.3:a:freedesktop:dbus1.0:rc1:*:*:*:*:*:*:* Versions rc1 Vulnerable ·Freedesktop
- cpe:2.3:a:freedesktop:dbus1.0:rc2:*:*:*:*:*:*:* Versions rc2 Vulnerable ·Freedesktop
- cpe:2.3:a:freedesktop:dbus1.0:rc3:*:*:*:*:*:*:* Versions rc3 Vulnerable ·Freedesktop
- cpe:2.3:a:freedesktop:dbus1.1.0:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Freedesktop
Remediation
Red Hat 1 advisory
- RHSA-2009:0008 Released 2009-01-07 · Red Hat rating Moderatedbus security update
- Red Hat Enterprise Linux (v. 5 server) dbus-1.0.0-7.el5_2.1, dbus-1.0.0-7.el5_2.1.i386, dbus-1.0.0-7.el5_2.1.ia64 +9
- Red Hat Enterprise Linux Desktop (v. 5 client) dbus-1.0.0-7.el5_2.1, dbus-1.0.0-7.el5_2.1.i386, dbus-x11-1.0.0-7.el5_2.1 +1
- Red Hat Enterprise Linux Desktop Workstation (v. 5 client) dbus-1.0.0-7.el5_2.1, dbus-devel-1.0.0-7.el5_2.1, dbus-devel-1.0.0-7.el5_2.1.i386
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2009:0008 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2009:0008 |
| Red Hat Enterprise Linux Desktop Workstation (v. 5 client) | Fixed | RHSA-2009:0008 |
Timeline
- 2026-10-02 Threatist record created from CVE-2008-3834
- 2026-10-03 Alias added: GHSA-mwh5-h5c7-v5xw
References
Exploit 1
Advisory 7
Other 6
- https://bugs.freedesktop.org/show_bug.cgi?id=17803
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2008-3834
- http://www.freedesktop.org/wiki/Software/dbus#head-dad0dab297a44f1d7a3b1259cfc06b583fd6a88a
- oval:org.mitre.oval:def:10253
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
- ADV-2008-2762
More Freedesktop Dbus vulnerabilities
- TI-2022-20347 An issue was discovered in D-Bus before 1.12.24, 1.13.x and 1.14.x before 1.14.4, and… CVSS 3.1MEDIUM 6.5
- TI-2020-18033 Use after free in D-Bus Development branch CVSS 3.1HIGH 7.8
- TI-2019-09538 dbus before 1.10.28, 1.12.x before 1.12.16, and 1.13.x before 1.13.12, as used in… CVSS 3.1HIGH 7.1
- TI-2023-17459 D-Bus before 1.15.6 sometimes allows unprivileged users to crash dbus-daemon. CVSS 3.1MEDIUM 6.5
- TI-2022-20346 An issue was discovered in D-Bus before 1.12.24, 1.13.x and 1.14.x before 1.14.4, and… CVSS 3.1MEDIUM 6.5
- TI-2022-20345 An issue was discovered in D-Bus before 1.12.24, 1.13.x and 1.14.x before 1.14.4, and… CVSS 3.1MEDIUM 6.5
Sources
- CVE-2008-3834 · CVE Program
- CVE-2008-3834 · NVD
- FIRST EPSS
- GHSA-mwh5-h5c7-v5xw · GitHub Advisory Database · CC BY 4.0
- CVE-2008-3834 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences