malcontent: Disk Space Exhaustion via Globally Accessible D-Bus API
Priority LOW 22CWE-770Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-770.
Summary
The newly introduced RecordUsage D-Bus method https://gitlab.freedesktop.org/pwithnall/malcontent/-/blob/0.14.0/libmalcontent-timer/child-timer-service.c in malcontent-timerd allows arbitrary users in the system to slowly fill up disk space in /var/lib/malcontent-timerd
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0015 4th percentileScored 2026-11-07
Fix Fixed malcontent (gnome): unknown
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA malcontent (gnome) Fixed in unknown
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2026-44931
- 2026-10-03 Alias added: GHSA-9jrh-5pwj-wfmp
References
More GNOME vulnerabilities
- TI-2023-23091 Gnome-maps: gnome maps is vulnerable to a code injection attack (similar to xss) via its service.json CVSS 3.1CRITICAL 9.8
- TI-2026-41775 Glib: off-by-one error in glib/gkeyfile.c via "g_key_file_get_locale_string_list" CVSS 3.1HIGH 8.6
- TI-2026-41772 Glib: out-of-bounds read in glib/gdatetime.c:g_date_time_get_ymd via invalid gdatetime CVSS 3.1HIGH 7.5
- TI-2026-03716 Libsoup: libsoup: denial of service via use-after-free in http/2 server CVSS 3.1HIGH 7.5
- TI-2024-28393 Integer overflow in GNOME G Structured File Library CVSS 3.1HIGH 8.4
- TI-2024-24253 Integer overflow in GNOME G Structured File Library CVSS 3.1HIGH 8.4
Sources
- CVE-2026-44931 · CVE Program
- CVE-2026-44931 · NVD
- FIRST EPSS
- GHSA-9jrh-5pwj-wfmp · GitHub Advisory Database · CC BY 4.0
- CVE-2026-44931 · 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