Resource Management Errors Affecting syslog-ng/syslog-ng package, versions [,3.2.4)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.8% (82nd percentile)

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  • Snyk IDSNYK-UNMANAGED-SYSLOGNGSYSLOGNG-2364368
  • published14 Dec 2021
  • disclosed11 Jul 2011
  • creditUnknown

Introduced: 11 Jul 2011

CVE-2011-1951  (opens in a new tab)
CWE-399  (opens in a new tab)

How to fix?

Upgrade syslog-ng/syslog-ng to version 3.2.4 or higher.

Overview

Affected versions of this package are vulnerable to Resource Management Errors lib/logmatcher.c in Balabit syslog-ng before 3.2.4, when the global flag is set and when using PCRE 8.12 and possibly other versions, allows remote attackers to cause a denial of service (memory consumption) via a message that does not match a regular expression.

CVSS Scores

version 3.1