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Vulnerability record · CVE-2006-0743 · published 9 March 2006

CVE-2006-0743: Apache log4net vulnerability

Apache · Log4net

Format string vulnerability in LocalSyslogAppender in Apache log4net 1.2.9 might allow remote attackers to cause a denial of service (memory corruption and termination) via unknown vectors.

5.0 CVSS 2.0 Medium EPSS 6.4% · top 6.6% CWE-134 · CWE-134
5.0CVSS 2.0 base score
6.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
16References
16 Jun 2026Last modified by NVD

Description

Format string vulnerability in LocalSyslogAppender in Apache log4net 1.2.9 might allow remote attackers to cause a denial of service (memory corruption and termination) via unknown vectors.

AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://issues.apache.org/jira/browse/LOG4NET-67 PatchVendor Advisory
http://secunia.com/advisories/19241 PatchVendor Advisory
http://secunia.com/advisories/22932 Vendor Advisory
http://www.novell.com/linux/security/advisories/2006_26_sr.html
http://www.osvdb.org/23905
http://www.securityfocus.com/bid/17095
http://www.vupen.com/english/advisories/2006/0955 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/25196
http://issues.apache.org/jira/browse/LOG4NET-67 PatchVendor Advisory
http://secunia.com/advisories/19241 PatchVendor Advisory
http://secunia.com/advisories/22932 Vendor Advisory
http://www.novell.com/linux/security/advisories/2006_26_sr.html
http://www.osvdb.org/23905
http://www.securityfocus.com/bid/17095
http://www.vupen.com/english/advisories/2006/0955 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/25196

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2006-0743), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.