CVE-2011-3200
Stack-based buffer overflow in the parseLegacySyslogMsg function in tools/syslogd.c in rsyslogd...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2011-3200- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2011-3200- Updated
- 2026-11-02
EUVDEUVD-2011-3164 No score
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.
- Record
EUVD-2011-3164- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-56wq-xcxw-c4q3 No score
Stack-based buffer overflow in the parseLegacySyslogMsg function in tools/syslogd.c in rsyslogd...
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.
- Record
GHSA-56wq-xcxw-c4q3- Weakness
- CWE-119
- Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2011-3200- Updated
- 2026-11-02
OSVDEBIAN-CVE-2011-3200 No score
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.
- Record
DEBIAN-CVE-2011-3200- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10498-1 No score
rsyslog-8.23.0-2.1 on GA media
These are all security issues fixed in the rsyslog-8.23.0-2.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10498-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
rsyslogDebian:12 |
before 5.8.5-1 | 5.8.5-1 |
rsyslogDebian:13 |
before 5.8.5-1 | 5.8.5-1 |
rsyslogDebian:14 |
before 5.8.5-1 | 5.8.5-1 |
rsyslogRed Hat:enterprise_linux:6::server |
before 0:4.6.2-3.el6_1.2 | 0:4.6.2-3.el6_1.2 |
rsyslog-debuginfoRed Hat:enterprise_linux:6::server |
before 0:4.6.2-3.el6_1.2 | 0:4.6.2-3.el6_1.2 |
rsyslog-gnutlsRed Hat:enterprise_linux:6::server |
before 0:4.6.2-3.el6_1.2 | 0:4.6.2-3.el6_1.2 |
rsyslog-gssapiRed Hat:enterprise_linux:6::server |
before 0:4.6.2-3.el6_1.2 | 0:4.6.2-3.el6_1.2 |
rsyslog-mysqlRed Hat:enterprise_linux:6::server |
before 0:4.6.2-3.el6_1.2 | 0:4.6.2-3.el6_1.2 |
rsyslog-pgsqlRed Hat:enterprise_linux:6::server |
before 0:4.6.2-3.el6_1.2 | 0:4.6.2-3.el6_1.2 |
rsyslog-relpRed Hat:enterprise_linux:6::server |
before 0:4.6.2-3.el6_1.2 | 0:4.6.2-3.el6_1.2 |
rsyslogopenSUSE:Tumbleweed |
before 8.23.0-2.1 | 8.23.0-2.1 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Metasploit | rsyslog Long Tag Off-By-Two DoS | 2011-09-01 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, Metasploit, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-3200 is a medium vulnerability (CVSS 5.0) in Rsyslog, published September 6, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 20.8%, the 97th percentile. Fixed in rsyslog 5.8.5-1.
References
secunia.com/advisories/46027
bugzilla.redhat.com/show_bug.cgi?id=727644
rsyslog.com/potential-dos-with-malformed-tag
securitytracker.com/id?1026000
lists.opensuse.org/opensuse-updates/2011-09/msg00013.html
git.adiscon.com?p=rsyslog.git%3Ba=commit%3Bh=1ca6cc236d1dabf1633238b873fb1c057e52f95e
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redhat.com/support/errata/RHSA-2011-1247.html
mandriva.com/security/advisories?name=MDVSA-2011:134
lists.fedoraproject.org/pipermail/package-announce/2011-September/065941.html
securityfocus.com/bid/49413
nvd.nist.gov/vuln/detail/CVE-2011-3200
github.com/advisories/GHSA-56wq-xcxw-c4q3
security-tracker.debian.org/tracker/CVE-2011-3200
access.redhat.com/errata/RHSA-2011:1247
security.access.redhat.com/data/csaf/v2/advisories/2011/rhsa-2011_1247.json
cve.org/CVERecord?id=CVE-2011-3200
suse.com/security/cve/CVE-2011-3200