How many CVEs have patched prepareRequest?

7 published CVEs changed prepareRequest in apache/tomcat, in 21 distinct patches totalling 58 changed lines, between 2012 and 2026.

What is the latest CVE that changed prepareRequest?

CVE-2026-43514 (Apache Tomcat: AJP secret compared in non-constant time), published 2026-05-12, changed lines 845 of java/org/apache/coyote/ajp/AjpProcessor.java.

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

apache/tomcat has 135 CVEs with a located fix in total; 7 of them changed prepareRequest.

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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apache/tomcat

Function

4 files

prepareRequest

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

Defined in 4 files

Last patched May 12, 2026

7

CVEs

That changed this function

21

Distinct patches

Backports counted once

58

Lines changed

Added plus removed

2012–2026

Years

By CVE publication date

Overview

prepareRequest in apache/tomcat was changed by 7 published CVE fixes between 2012 and 2026, in 21 distinct patches that added or removed 58 lines in total.

The name occurs in 4 files: java/org/apache/coyote/http11/AbstractHttp11Processor.java, java/org/apache/coyote/ajp/AbstractAjpProcessor.java, java/org/apache/coyote/http11/Http11Processor.java, java/org/apache/coyote/ajp/AjpProcessor.java.

apache/tomcat has 135 CVEs with a located fix in total, so 5% of them touched this function.

CVEs that patched it

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

Apache Tomcat: AJP secret compared in non-constant time
CVE-2026-43514 · java/org/apache/coyote/ajp/AjpProcessor.java · line 845 · +1 −1
Low · CVSS 3.7
EPSS 0.5%2026-05-12
Apache Tomcat: Client certificate verification bypass due to virtual host mapping
CVE-2025-66614 · java/org/apache/coyote/http11/Http11Processor.java · lines 783–787 · +5 −0
Medium · CVSS 6.3
EPSS 0.3%2026-02-17
Incorrect Transfer-Encoding handling with HTTP/1.0
CVE-2021-33037 · java/org/apache/coyote/http11/Http11Processor.java · lines 753–755 · +3 −1
Medium · CVSS 5.3
EPSS 74.7%2021-07-12
Expected Behavior Violation in Apache Tomcat
CVE-2017-5651 · java/org/apache/coyote/http11/Http11Processor.java · line 654 · +0 −1
Critical · CVSS 9.8
EPSS 7.8%2017-04-17
Denial of service in Apache Tomcat
CVE-2014-0095 · java/org/apache/coyote/ajp/AbstractAjpProcessor.java · line 1168 · +0 −3
Medium · CVSS 5.0
EPSS 8.5%2014-05-31
Apache Tomcat is vulnerable to HTTP request-smuggling
CVE-2013-4286 · java/org/apache/coyote/ajp/AbstractAjpProcessor.java · lines 696–739 · +10 −2 in 2 hunks
Medium · CVSS 5.8
EPSS 16.8%2014-02-26
Apache Tomcat is vulnerable to HTTP request-smuggling
CVE-2013-4286 · java/org/apache/coyote/http11/AbstractHttp11Processor.java · lines 1266–1279 · +14 −4
Medium · CVSS 5.8
EPSS 16.8%2014-02-26
Apache Tomcat Exposes IP Addresses and HTTP Headers of Requests
CVE-2011-3375 · java/org/apache/coyote/ajp/AbstractAjpProcessor.java · lines 762–813 · +3 −2 in 3 hunks
Medium · CVSS 5.0
EPSS 6.3%2012-01-19
Apache Tomcat Exposes IP Addresses and HTTP Headers of Requests
CVE-2011-3375 · java/org/apache/coyote/http11/AbstractHttp11Processor.java · lines 1089–1253 · +4 −4 in 5 hunks
Medium · CVSS 5.0
EPSS 6.3%2012-01-19

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Other functions in these files

Functions in the same files that CVE fixes also changed.

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 parseChunkHeader4 CVEs · java/org/apache/coyote/http11/filters/ChunkedInputFilter.java

All patched functions in apache/tomcat

Frequently asked questions

Common questions about CVE fixes to prepareRequest.

How many CVEs have patched prepareRequest?: 7 published CVEs changed prepareRequest in apache/tomcat, in 21 distinct patches totalling 58 changed lines, between 2012 and 2026.
What is the latest CVE that changed prepareRequest?: CVE-2026-43514 (Apache Tomcat: AJP secret compared in non-constant time), published 2026-05-12, changed lines 845 of java/org/apache/coyote/ajp/AjpProcessor.java.
How does prepareRequest compare to the rest of apache/tomcat?: apache/tomcat has 135 CVEs with a located fix in total; 7 of them changed prepareRequest.
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

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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