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CVE-2006-0743

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.

Published: Mar 9, 2006Updated: Apr 16, 2026 Sources: CVE List NVD GHSA csafCWE-134
5.0MEDIUM
NVD MITRE
EPSS Score
6.2%
Top 7.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Apache log4net format string vulnerability causes DoS

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LAu:NC:NI:NA:P
Exploitability
AV:NAccess Vector
Network
AC:LAccess Complexity
Low
Au:NAuthentication
None
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:PAvailability
Partial
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Weaknesses

CWE-134

Affected Products

log4netNuGetOSS Libraries
n/an/a
log4netapache
On-premLibrary
OSS Libraries / generic-library
nugetpackage-ecosystemOSS Libraries
apacheoss-projectUSWeb & CMS Pluginsaka apache http server, apache httpd

Exploitability

Official Patch Available

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Execution
View detailed technique mapping

References

https://nvd.nist.gov/vuln/detail/CVE-2006-0743
nvd.nist.gov
https://github.com/apache/logging-log4net/commit/ea3faab25fe5f1d4dbda9f5da8dcfa6fc3d9e1b8
github.com
https://exchange.xforce.ibmcloud.com/vulnerabilities/25196
exchange.xforce.ibmcloud.com
and 25 more references View all →

Timeline

Published
Mar 9, 2006
Last Updated
Apr 16, 2026

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