CVE-2012-3544

NONECVSS 0.0Trending — 3 sources updated this weekElevated

0.0

Apache Tomcat 6.x before 6.0.37 and 7.x before 7.0.30 does not properly handle chunk extensions in chunked transfer coding, which allows remote attackers to cause a denial of service by streaming data.

CVSS v3: —
EG Score: 0.0(none)
EPSS: 97.6%
KEV: Not listed

Published

June 1, 2013

Last Modified

April 29, 2026

References (42)

secalert@redhathttp://archives.neohapsis.com/archives/bugtraq/2013-05/0042.html
secalert@redhathttp://seclists.org/fulldisclosure/2014/Dec/23
secalert@redhathttp://svn.apache.org/viewvc/tomcat/tc6.0.x/trunk/java/org/apache/coyote/http11/filters/ChunkedInputFilter.java?r1=1476592&r2=1476591&pathrev=1476592
secalert@redhathttp://svn.apache.org/viewvc?view=revision&revision=1378702
secalert@redhathttp://svn.apache.org/viewvc?view=revision&revision=1378921
secalert@redhathttp://svn.apache.org/viewvc?view=revision&revision=1476592
secalert@redhathttp://tomcat.apache.org/security-6.html
secalert@redhathttp://tomcat.apache.org/security-7.html
secalert@redhathttp://www.oracle.com/technetwork/topics/security/cpujan2014-1972949.html
secalert@redhathttp://www.oracle.com/technetwork/topics/security/cpujul2014-1972956.html
secalert@redhathttp://www.securityfocus.com/archive/1/534161/100/0/threaded
secalert@redhathttp://www.securityfocus.com/bid/59797
secalert@redhathttp://www.securityfocus.com/bid/64758
secalert@redhathttp://www.ubuntu.com/usn/USN-1841-1
secalert@redhathttp://www.vmware.com/security/advisories/VMSA-2014-0012.html

Patch Availability(4)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	libtomcat7-java (7.0.35-1~exp2ubuntu1.1) @ raring	2026-05-28	ubuntu
redhat	tomcat-native-0:1.1.27-4.redhat_1.ep6.el5	2013-07-03	redhat
redhat	patch	2013-07-03	redhat
redhat	tomcat-native-0:1.1.27-4.redhat_1.ep6.el6	2013-07-03	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)

Maven(1)

Package	Vulnerable range	Fixed in	Dependents
org.apache.tomcat:tomcat	—	7.0.30	—

All Vendor Advisories

(4)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 11× in last 7d / 20× 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.

2026-06-02 20:10 UTCepss_batch
2026-06-02 20:10 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-28 23:46 UTCEG score recompute
2026-05-28 23:46 UTCVendor advisory
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 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
2026-05-26 07:16 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-21 22:39 UTCepss_batch

Frequently asked(4)

What is CVE-2012-3544?

CVE-2012-3544 is a none vulnerability published on June 1, 2013. Apache Tomcat 6.x before 6.0.37 and 7.x before 7.0.30 does not properly handle chunk extensions in chunked transfer coding, which allows remote attackers to cause a denial of service by streaming data.

When was CVE-2012-3544 disclosed?

CVE-2012-3544 was first published in the National Vulnerability Database on June 1, 2013, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2012-3544 actively exploited?

CVE-2012-3544 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 97.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2012-3544?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2012-3544, 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

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CVE-2012-3544

📅 Published

🔄 Last Modified

🔗 References (42)