CVE-2011-1951 lib/logmatcher.c in Balabit syslog-ng before 3.2.4, when the global flag is set and when using PCRE 8.12 and possibly other versions, allows remote attackers to cause a denial of service (memory consu...
MediumCVSS 4.3
EPSS 2.5%
- Published
- Updated
- Exploit status
- No public exploit known
Description
lib/logmatcher.c in Balabit syslog-ng before 3.2.4, when the global flag is set and when using PCRE 8.12 and possibly other versions, allows remote attackers to cause a denial of service (memory consumption) via a message that does not match a regular expression.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| debian/syslog-ng(Debian:12) | < 3.2.4-1 | 3.2.4-1 |
| debian/syslog-ng(Debian:13) | < 3.2.4-1 | 3.2.4-1 |
| debian/syslog-ng(Debian:14) | < 3.2.4-1 | 3.2.4-1 |
| oneidentity syslog-ng | < 3.2.4 | 3.2.4 |
References
- Debian Security Tracker CVE-2011-1951 vendor-advisory
- git.balabit.hu
- FEDORA-2011-8405 mailing-list third-party-advisory vendor-advisory
- 45122 third-party-advisory
- [oss-security] 20110526 CVE Request -- syslog-ng -- Possible DoS mailing-list patch third-party-advisory
- 47800 third-party-advisory vdb-entry
- bugzilla.redhat.com issue-tracking patch third-party-advisory