How many CVEs have patched parseChunkHeader?

4 published CVEs changed parseChunkHeader in apache/tomcat, in 9 distinct patches totalling 73 changed lines, between 2014 and 2026.

What is the latest CVE that changed parseChunkHeader?

CVE-2026-24880 (Apache Tomcat: Request smuggling via invalid chunk extension), published 2026-04-09, changed lines 360 to 402 of java/org/apache/coyote/http11/filters/ChunkedInputFilter.java.

How does parseChunkHeader compare to the rest of apache/tomcat?

apache/tomcat has 135 CVEs with a located fix in total; 4 of them changed parseChunkHeader.

What do the line numbers refer to?

Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

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ParseChunkHeader

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Patched Functions
Apache
Tomcat
ParseChunkHeader

parseChunkHeader in apache/tomcat: Patched by 4 CVEs

apache/tomcat

Function

parseChunkHeader

Name: parseChunkHeader in apache/tomcat: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

java/org/apache/coyote/http11/filters/ChunkedInputFilter.java

Last patched April 9, 2026

CVEs

That changed this function

Distinct patches

Backports counted once

Lines changed

Added plus removed

2014–2026

Years

By CVE publication date

Overview

parseChunkHeader in apache/tomcat was changed by 4 published CVE fixes between 2014 and 2026, in 9 distinct patches that added or removed 73 lines in total.

apache/tomcat has 135 CVEs with a located fix in total, so 3% of them touched this function.

CVEs that patched it

Every published CVE whose fix changed parseChunkHeader, newest first, with the lines each fix touched.

Apache Tomcat: Request smuggling via invalid chunk extension
CVE-2026-24880 · lines 360–402 · +29 −18 in 2 hunks
High · CVSS 7.5
EPSS 0.7%2026-04-09
Improper Input Validation in Apache Tomcat
CVE-2014-0227 · line 367 · +1 −1
Medium · CVSS 6.4
EPSS 21.0%2015-02-16
Integer Overflow or Wraparound in Apache Tomcat
CVE-2014-0075 · lines 322–369 · +5 −6 in 3 hunks
Medium · CVSS 5.0
EPSS 20.1%2014-05-31
Apache Tomcat Denial of Service vulnerability
CVE-2013-4322 · lines 317–349 · +10 −3 in 3 hunks
Medium · CVSS 4.3
EPSS 9.5%2014-02-26

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Other functions in these files

Functions in the same file that CVE fixes also changed.

1recyclejava/org/apache/coyote/http11/filters/ChunkedInputFilter.java3 CVEs · 6 patches2014 to 2026
2parseHeaderjava/org/apache/coyote/http11/filters/ChunkedInputFilter.java3 CVEs · 5 patches2014 to 2023
3ChunkedInputFilterjava/org/apache/coyote/http11/filters/ChunkedInputFilter.java2 CVEs · 6 patches2014 to 2015
4endjava/org/apache/coyote/http11/filters/ChunkedInputFilter.java2 CVEs · 3 patches2015
5skipChunkHeaderjava/org/apache/coyote/http11/filters/ChunkedInputFilter.java1 CVEs · 2 patches2026
6parseEndChunkjava/org/apache/coyote/http11/filters/ChunkedInputFilter.java1 CVEs · 1 patches2015
7parseCRLFjava/org/apache/coyote/http11/filters/ChunkedInputFilter.java1 CVEs · 1 patches2015
8isFinishedjava/org/apache/coyote/http11/filters/ChunkedInputFilter.java1 CVEs · 1 patches2015

Other hotspots in the repository

Functions in apache/tomcat changed by the most CVE fixes.

fixDocBase5 CVEs · java/org/apache/catalina/startup/ContextConfig.java expand5 CVEs · java/org/apache/catalina/startup/ExpandWar.java validate5 CVEs · java/org/apache/catalina/startup/ExpandWar.java invoke4 CVEs · java/org/apache/catalina/authenticator/AuthenticatorBase.java parseParts4 CVEs · java/org/apache/catalina/connector/Request.java validateGlobalXsltFile4 CVEs · java/org/apache/catalina/servlets/DefaultServlet.java

All patched functions in apache/tomcat

Frequently asked questions

Common questions about CVE fixes to parseChunkHeader.

How many CVEs have patched parseChunkHeader?: 4 published CVEs changed parseChunkHeader in apache/tomcat, in 9 distinct patches totalling 73 changed lines, between 2014 and 2026.
What is the latest CVE that changed parseChunkHeader?: CVE-2026-24880 (Apache Tomcat: Request smuggling via invalid chunk extension), published 2026-04-09, changed lines 360 to 402 of java/org/apache/coyote/http11/filters/ChunkedInputFilter.java.
How does parseChunkHeader compare to the rest of apache/tomcat?: apache/tomcat has 135 CVEs with a located fix in total; 4 of them changed parseChunkHeader.
What do the line numbers refer to?: Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

References

java/org/apache/coyote/http11/filters/ChunkedInputFilter.java on GitHub (opens in a new tab)
All patched functions in apache/tomcat
Patched functions directory

Fix locations are computed by RadicalNotion.AI from the upstream patch diff of each CVE. CVE data is sourced from the CVE Program.

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On this page

Overview
CVEs that patched it
Other functions in these files
Other hotspots in the repository
FAQ
References