CVE-2011-1489

Publication date 14 November 2019

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

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.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
rsyslog	15.04 vivid	Not affected
	14.10 utopic	Not affected
	14.04 LTS trusty	Not affected
	13.10 saucy	Not affected
	13.04 raring	Not affected
	12.10 quantal	Not affected
	12.04 LTS precise	Not affected
	11.10 oneiric	Not affected
	11.04 natty	Ignored end of life
	10.10 maverick	Ignored end of life
	10.04 LTS lucid	Ignored end of life
	8.04 LTS hardy	Ignored end of life

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
rsyslog	Upstream: http://git.adiscon.com/?p=rsyslog.git;a=commitdiff;h=1ef709cc97d54f74d3fdeb83788cc4b01f4c6a2a

Severity score breakdown

CVSS version: CVSS v3.0

Base score 5.5 · Medium

Base metrics

Parameter	Value
Attack vector	Local
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality impact	None
Integrity impact	None
Availability impact	High

Scores

Parameter	Value
Base score	5.5 · Medium
Exploitability score	-
Impact score	-

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

References

Other references

https://www.cve.org/CVERecord?id=CVE-2011-1489