CVE-2011-1951

View on CVE.org

Published Jul 11, 2011 CVSS 2.0 · 4.3 Medium EPSS 2.5% KEV · Not listed

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

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

AND

cpe:2.3:a:oneidentity:syslog-ng:*:*:*:*:*:*:*:*

cpe:2.3:a:pcre:pcre:8.12:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2011-1945	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.

Metrics

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 2.5% (2.462% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
http://git.balabit.hu/?p=bazsi/syslog-ng-3.2.git%3Ba=commit%3Bh=09710c0b105e579d35c7b5f6c66d1ea5e3a3d3ff
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/062107.html
http://secunia.com/advisories/45122
http://www.openwall.com/lists/oss-security/2011/05/26/1
http://www.securityfocus.com/bid/47800
https://bugzilla.redhat.com/show_bug.cgi?id=709088

History

No history.

Subscriptions

Oneidentity Syslog-ng

Pcre Pcre

Weaknesses

CWE-399

Sources

CVE record Updated: Aug 6, 2024, 10:46 PM

Status: PUBLISHED
Assigner: redhat
Published: Jul 11, 2011, 8:00 PM
Updated: Aug 6, 2024, 10:46 PM
Reserved: May 9, 2011, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 16, 2026, 11:30 PM

Status: Modified
Published: Jul 11, 2011, 8:55 PM
Modified: Jun 16, 2026, 11:30 PM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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