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
References
- http://git.balabit.hu/?p=bazsi/syslog-ng-3.2.git%3Ba=commit%3Bh=09710c0b105e579d35c7b5f6c66d1ea5e3a3d3ff
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/062107.htmlMailing List, Third Party Advisory
- http://secunia.com/advisories/45122Third Party Advisory
- http://www.openwall.com/lists/oss-security/2011/05/26/1Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/47800Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=709088Issue Tracking, Patch, Third Party Advisory
- http://git.balabit.hu/?p=bazsi/syslog-ng-3.2.git%3Ba=commit%3Bh=09710c0b105e579d35c7b5f6c66d1ea5e3a3d3ff
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/062107.htmlMailing List, Third Party Advisory
- http://secunia.com/advisories/45122Third Party Advisory
- http://www.openwall.com/lists/oss-security/2011/05/26/1Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/47800Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=709088Issue Tracking, Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.