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
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 2.46% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 84.0% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2011-07-11 20:00Z15 YR AGO
- Last updated
- 2024-08-06 22:46Z2 YR AGO
- Reserved
- 2011-05-09
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- 341981f3cb2cccbff7f0df0ef38b272e40a848177935b24c8cef304c183ae85e
05 Affected products
06 References
- git.balabit.huhttp://git.balabit.hu/?p=bazsi/syslog-ng-3.2.git%3Ba=commit%3Bh=09710c0b105e579d35c7b5f6c66d1ea5e3a3d3ff
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=709088
- www.openwall.com[oss-security] 20110526 CVE Request -- syslog-ng -- Possible DoShttp://www.openwall.com/lists/oss-security/2011/05/26/1
- lists.fedoraproject.orgFEDORA-2011-8405http://lists.fedoraproject.org/pipermail/package-announce/2011-June/062107.html
- www.securityfocus.com47800http://www.securityfocus.com/bid/47800
- secunia.com45122http://secunia.com/advisories/45122
07 Fixed in
Debian 12
- syslog-ng Fixed in 3.2.4-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- syslog-ng Fixed in 3.2.4-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- syslog-ng Fixed in 3.2.4-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.