Unrated severityNVD Advisory· Published Sep 6, 2011· Updated Jun 16, 2026
CVE-2011-3200
CVE-2011-3200
Description
Stack-based buffer overflow in the parseLegacySyslogMsg function in tools/syslogd.c in rsyslogd in rsyslog 4.6.x before 4.6.8 and 5.2.0 through 5.8.4 might allow remote attackers to cause a denial of service (application exit) via a long TAG in a legacy syslog message.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
53cpe:2.3:a:rsyslog:rsyslog:4.6.0:*:*:*:*:*:*:*+ 51 more
- cpe:2.3:a:rsyslog:rsyslog:4.6.0:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:4.6.1:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:4.6.2:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:4.6.3:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:4.6.4:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:4.6.5:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:4.6.6:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:4.6.7:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:5.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:5.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:5.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:5.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:5.3.2:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:5.3.3:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:5.3.4:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:5.3.5:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:5.3.6:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:5.3.7:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:5.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:5.4.1:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:5.4.2:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:5.5.0:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:5.5.1:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:5.5.2:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:5.5.3:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:5.5.4:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:5.5.5:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:5.5.6:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:5.5.7:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:5.6.0:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:5.6.1:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:5.6.2:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:5.6.3:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:5.6.4:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:5.6.5:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:5.7.0:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:5.7.1:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:5.7.10:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:5.7.2:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:5.7.3:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:5.7.4:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:5.7.5:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:5.7.6:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:5.7.7:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:5.7.8:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:5.7.9:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:5.8.0:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:5.8.1:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:5.8.2:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:5.8.3:*:*:*:*:*:*:*
- cpe:2.3:a:rsyslog:rsyslog:5.8.4:*:*:*:*:*:*:*
- (no CPE)range: <4.6.8, 5.2.0-5.8.4
Patches
Vulnerability mechanics
References
12- www.rsyslog.com/potential-dos-with-malformed-tag/nvdPatchVendor Advisory
- bugzilla.redhat.com/show_bug.cginvdPatch
- git.adiscon.comnvd
- lists.fedoraproject.org/pipermail/package-announce/2011-September/065837.htmlnvd
- lists.fedoraproject.org/pipermail/package-announce/2011-September/065941.htmlnvd
- lists.opensuse.org/opensuse-updates/2011-09/msg00013.htmlnvd
- secunia.com/advisories/45922nvd
- secunia.com/advisories/46027nvd
- securitytracker.com/idnvd
- www.mandriva.com/security/advisoriesnvd
- www.redhat.com/support/errata/RHSA-2011-1247.htmlnvd
- www.securityfocus.com/bid/49413nvd
News mentions
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