Vulnerability · Published May 13, 2026 · Assigned by suse
CVE-2026-44931malcontent: Disk Space Exhaustion via Globally Accessible D-Bus API
Medium 5.1
In plain English
A medium-severity resource allocation without limits in malcontent from gnome. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 4% of all known vulnerabilities).
Severity (CVSS 4.0)5.1Medium
Exploit odds (30 days)0.1%top 95.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu:26.04:LTS | malcontent | no fix listed | UBUNTU-CVE-2026-44931 |
| Ubuntu:26.10 | malcontent | no fix listed | UBUNTU-CVE-2026-44931 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| gnome | malcontent | 0.14 – before unknown |
Weakness: CWE-770 · Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N