CVE-2011-1489

Name: CVE-2011-1489
Creator: NVD / NIST
Published: 2019-11-14T02:15:10.797+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.47%

Last modified Jun 16, 2026

CVE-2011-1489 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. A memory leak in rsyslog before 5.7.6 was found in the way deamon processed log messages were logged when multiple rulesets were used and some output batches contained messages belonging to more than one ruleset. A local attacker could cause denial of the rsyslogd daemon service via a log message belonging to more than one ruleset.. EPSS estimates a 0.47% chance of exploitation in the next 30 days.

Description

A memory leak in rsyslog before 5.7.6 was found in the way deamon processed log messages were logged when multiple rulesets were used and some output batches contained messages belonging to more than one ruleset. A local attacker could cause denial of the rsyslogd daemon service via a log message belonging to more than one ruleset.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.47%

37.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-772

Affected Software

Vendor	Product	Versions
Rsyslog	Rsyslog	< 5.7.6
Opensuse	Opensuse	11.4
Debian	Debian Linux	8.0
Debian	Debian Linux	9.0
Debian	Debian Linux	10.0

References

http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00005.htmlMailing List, Third Party Advisory
https://access.redhat.com/security/cve/cve-2011-1489Exploit, Patch, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-1489Issue Tracking, Third Party Advisory
https://github.com/rsyslog/rsyslog/commit/1ef709cc97d54f74d3fdeb83788cc4b01f4c6a2aPatch, Third Party Advisory
https://security-tracker.debian.org/tracker/CVE-2011-1489Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00005.htmlMailing List, Third Party Advisory
https://access.redhat.com/security/cve/cve-2011-1489Exploit, Patch, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-1489Issue Tracking, Third Party Advisory
https://github.com/rsyslog/rsyslog/commit/1ef709cc97d54f74d3fdeb83788cc4b01f4c6a2aPatch, Third Party Advisory
https://security-tracker.debian.org/tracker/CVE-2011-1489Third Party Advisory

Timeline

Published: Nov 14, 2019
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2011-1489?

How severe is CVE-2011-1489?

CVE-2011-1489 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.47% probability of exploitation in the next 30 days.

How do I fix CVE-2011-1489?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-1489?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST