CVE-2006-0743

NONECVSS 0.0

0.0

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.

CVSS v3: —
EG Score: —
EPSS: 89.3%
KEV: Not listed

Published

March 9, 2006

Last Modified

April 16, 2026

References (16)

secalert@redhathttp://issues.apache.org/jira/browse/LOG4NET-67
secalert@redhathttp://secunia.com/advisories/19241
secalert@redhathttp://secunia.com/advisories/22932
secalert@redhathttp://www.novell.com/linux/security/advisories/2006_26_sr.html
secalert@redhathttp://www.osvdb.org/23905
secalert@redhathttp://www.securityfocus.com/bid/17095
secalert@redhathttp://www.vupen.com/english/advisories/2006/0955
secalert@redhathttps://exchange.xforce.ibmcloud.com/vulnerabilities/25196
af854a3a-2127-422b-91ae-364da2661108http://issues.apache.org/jira/browse/LOG4NET-67
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/19241
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/22932
af854a3a-2127-422b-91ae-364da2661108http://www.novell.com/linux/security/advisories/2006_26_sr.html
af854a3a-2127-422b-91ae-364da2661108http://www.osvdb.org/23905
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/17095
af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2006/0955

Affected Packages

(1 across 1 ecosystem)

NuGet(1)

Package	Vulnerable range	Fixed in	Dependents
log4net	—	1.2.10	—

Data Freshness Timeline

(refreshed 10× in last 7d / 18× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-24 16:42 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-21 22:38 UTCepss_batch
2026-05-20 22:36 UTCepss_batch
2026-05-20 22:36 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-18 21:29 UTCepss_batch

Frequently asked(4)

What is CVE-2006-0743?

CVE-2006-0743 is a none vulnerability published on March 9, 2006. 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.

When was CVE-2006-0743 disclosed?

CVE-2006-0743 was first published in the National Vulnerability Database on March 9, 2006, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2006-0743 actively exploited?

CVE-2006-0743 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 89.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2006-0743?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2006-0743, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2006-0743

Explore →

Is Your Infrastructure Affected by CVE-2006-0743?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2006-0743

📅 Published

🔄 Last Modified

🔗 References (16)