CVE-2011-3200
MEDIUM · CVSS 5.0EPSS 20.8%EU EUVD
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.
Key facts
- CVSS score
- 5.0 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P- Weakness (CWE)
- CWE-119
- EPSS score
- 20.8% (98th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2011-3164)
- Published
- September 6, 2011
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2011-3164 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
- rsyslog / rsyslog
and 1 more…
References
- http://git.adiscon.com/?p=rsyslog.git%3Ba=commit%3Bh=1ca6cc236d1dabf1633238b873fb1c057e52f95e
- http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065837.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065941.html
- http://lists.opensuse.org/opensuse-updates/2011-09/msg00013.html
- http://secunia.com/advisories/45922
- http://secunia.com/advisories/46027
- http://securitytracker.com/id?1026000
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:134
- http://www.redhat.com/support/errata/RHSA-2011-1247.html
- http://www.rsyslog.com/potential-dos-with-malformed-tag/(Patch, Vendor Advisory)
- http://www.securityfocus.com/bid/49413
- https://bugzilla.redhat.com/show_bug.cgi?id=727644(Patch)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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