CVE-2011-1489: Medium severity rsyslog Rsyslog vulnerability

Published Nov 14, 2019
·
Updated

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.

Affected Software

6 affected componentsFixes available
rsyslog Rsyslog<5.7.6
openSUSE openSUSE=11.4
Debian Debian Linux=8.0
Debian Debian Linux=9.0
Debian Debian Linux=10.0
debian/rsyslog
8.2102.0-2+deb11u18.2302.0-1+deb12u18.2504.0-18.2512.0-3

Event History

Nov 14, 2019
CVE Published
via MITRE·01:25 AM
Data Sourced
via MITRE·01:25 AM
DescriptionWeakness
Feb 17, 2026
Data Sourced
via Debian·11:22 PM
DescriptionAffected Software
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Frequently Asked Questions

1

What is CVE-2011-1489?

CVE-2011-1489 is a memory leak vulnerability in rsyslog before version 5.7.6.

2

How does CVE-2011-1489 affect rsyslog?

CVE-2011-1489 affects rsyslog versions before 5.7.6 by causing a memory leak when processing log messages with multiple rulesets.

3

What is the severity of CVE-2011-1489?

The severity of CVE-2011-1489 is medium with a CVSS score of 5.5.

4

Which software is affected by CVE-2011-1489?

Rsyslog versions before 5.7.6, Opensuse 11.4, and Debian Linux 8.0, 9.0, and 10.0 are affected by CVE-2011-1489.

5

How can I fix CVE-2011-1489?

To fix CVE-2011-1489, update rsyslog to version 5.7.6 or later.

Contact

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