SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2011-1951

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…

MEDIUM 4.3EPSS 2.46%

Does this matter?

Lower severity and a low EPSS score (2.46%). Track it; it rarely justifies an emergency change on its own.

Description

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 2.0
4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P
EPSS
2.46% probability · 84th percentile
CISA KEV
Not listed
Weakness
CWE-399
Affected
oneidentity/syslog-ng
Source
secalert@redhat.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.