Vulnerability in Oneidentity Syslog-Ng
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 consumption) via a message that does not match a regular expression.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.3 (Medium). Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.025 (83.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.025 · newest: 0.025 · change: 0.000
Affected products
- Oneidentity Syslog-Ng
- Pcre — versions 8.12
Weakness classification (CWE)
References
- git.balabit.hu/
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- www.openwall.com/lists/oss-security/2011/05/26/1 (mailing-list, Patch, Mailing List, Third Party Advisory)
- lists.fedoraproject.org/pipermail/package-announce/2011-June/062107.html (vendor-advisory, Mailing List, Third Party Advisory)
- www.securityfocus.com/bid/47800 (VDB Entry, Third Party Advisory, vdb-entry)
- secunia.com/advisories/45122 (Third Party Advisory, third-party-advisory)