Back
CVE-2011-3200
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…
Medium5.0EPSS 20.8%
- Published
- Updated
- Reserved
- Assigned by
- redhat
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 20.8% · top 2.5% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
Affected products
n/a
- affected n/a
References (12)
- 46027 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=727644 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://www.rsyslog.com/potential-dos-with-malformed-tag/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- 1026000 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- openSUSE-SU-2011:1020 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- http://git.adiscon.com/?p=rsyslog.git%3Ba=commit%3Bh=1ca6cc236d1dabf1633238b873fb1c057e52f95e (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2011:1247 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- MDVSA-2011:134 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- FEDORA-2011-12282 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- 49413 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- FEDORA-2011-12250 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- 45922 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .