CVE-2026-44931

malcontent: Disk Space Exhaustion via Globally Accessible D-Bus API

5.1 Medium

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

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: Low

Exploit likelihood

0.15%Up 0.1 points since May 13, 2026

What each source reports

CVE List Score used 5.1

malcontent: Disk Space Exhaustion via Globally Accessible D-Bus API

Record: CVE-2026-44931
CVSS 4.0: 5.1 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Weakness: CWE-770
Updated: 2026-11-02

EUVDEUVD-2026-29921 5.1

Record: EUVD-2026-29921
CVSS 4.0: 5.1 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-9jrh-5pwj-wfmp 5.1

The newly introduced RecordUsage D-Bus method https://gitlab.freedesktop.org/pwithnall...

Record: GHSA-9jrh-5pwj-wfmp
CVSS 4.0: 5.1 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness: CWE-770
Updated: 2026-11-02

NVD 5.1

Record: CVE-2026-44931
CVSS 4.0: 5.1 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness: CWE-770
Updated: 2026-11-02

OSVUBUNTU-CVE-2026-44931 5.1

Record: UBUNTU-CVE-2026-44931
CVSS 4.0: 5.1 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Updated: 2026-11-02

Affected products

gnome malcontent

Affected packages

Affected packages
Package	Affected	Fixed
`malcontent` Ubuntu:26.10	All versions, plus listed versions 0.14.0-0ubuntu10.14.0-0ubuntu20.14.0-0ubuntu3	None known
`malcontent` Ubuntu:26.04:LTS	All versions, plus listed versions 0.13.0-1ubuntu20.13.1-1ubuntu10.13.1-1ubuntu20.13.1-2ubuntu20.14~alpha-0ubuntu50.14.0-0ubuntu10.14.0-0ubuntu1.10.14.0-0ubuntu1.2	None known

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-44931 is a medium vulnerability (CVSS 5.1) in Gnome Malcontent, published May 13, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.15%, the 4th percentile. No source names a fixed version.