CVE-2011-4623
LOW · CVSS 2.1EPSS 0.4%EU EUVD
Integer overflow in the rsCStrExtendBuf function in runtime/stringbuf.c in the imfile module in rsyslog 4.x before 4.6.6, 5.x before 5.7.4, and 6.x before 6.1.4 allows local users to cause a denial of service (daemon hang) via a large file, which triggers a heap-based buffer overflow.
Key facts
- CVSS score
- 2.1 (v2.0)
- Severity
- LOW
- CVSS vector
AV:L/AC:L/Au:N/C:N/I:N/A:P- Weakness (CWE)
- CWE-189
- EPSS score
- 0.4% (36th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2011-4546)
- Published
- September 25, 2012
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2011-4546 in the EU Vulnerability Database. Last updated in EUVD on August 7, 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 22 more…
References
- http://bugzilla.adiscon.com/show_bug.cgi?id=221
- http://git.adiscon.com/?p=rsyslog.git%3Ba=commit%3Bh=6bad782f154b7f838c7371bf99c13f6dc4ec4101
- http://rsyslog.com/changelog-for-4-6-6-v4-stable/
- http://rsyslog.com/changelog-for-5-7-4-v5-beta/
- http://rsyslog.com/changelog-for-6-1-4-devel/
- http://secunia.com/advisories/45848(Vendor Advisory)
- http://secunia.com/advisories/47698(Vendor Advisory)
- http://www.openwall.com/lists/oss-security/2011/12/22/2
- http://www.securityfocus.com/bid/51171
- http://www.securitytracker.com/id?1026556
- http://www.ubuntu.com/usn/USN-1338-1(Patch, Vendor Advisory)
- https://bugzilla.redhat.com/show_bug.cgi?id=769822
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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