How many CVEs have patched encode?

1 published CVEs changed encode in apache/tomcat, in 3 distinct patches totalling 29 changed lines, between 2026 and 2026.

What is the latest CVE that changed encode?

CVE-2026-41293 (Apache Tomcat: HTTP/2 request headers not validated), published 2026-05-12, changed lines 127 to 158 of java/org/apache/coyote/http2/HpackEncoder.java.

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

apache/tomcat has 135 CVEs with a located fix in total; 1 of them changed encode.

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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Encode

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Patched Functions
Apache
Tomcat
Encode

encode in apache/tomcat: Patched by 1 CVEs

apache/tomcat

Function

2 files

encode

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

Defined in 2 files

Last patched May 12, 2026

CVEs

That changed this function

Distinct patches

Backports counted once

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

encode in apache/tomcat was changed by 1 published CVE fixes in 2026, in 3 distinct patches that added or removed 29 lines in total.

The name occurs in 2 files: java/org/apache/coyote/http2/HpackEncoder.java, java/org/apache/coyote/http2/HPackHuffman.java.

apache/tomcat has 135 CVEs with a located fix in total, so 1% of them touched this function.

On this page

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

CVEs that patched it

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

Apache Tomcat: HTTP/2 request headers not validated
CVE-2026-41293 · java/org/apache/coyote/http2/HpackEncoder.java · lines 127–158 · +20 −5 in 2 hunks
Critical · CVSS 9.8
EPSS 1.7%2026-05-12
Apache Tomcat: HTTP/2 request headers not validated
CVE-2026-41293 · java/org/apache/coyote/http2/HPackHuffman.java · lines 525–526 · +2 −2
Critical · CVSS 9.8
EPSS 1.7%2026-05-12

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Other functions in these files

Functions in the same files that CVE fixes also changed.

1decodejava/org/apache/coyote/http2/HPackHuffman.java1 CVEs · 2 patches2026
2tojava/org/apache/coyote/http2/HPackHuffman.java1 CVEs · 1 patches2026

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 encode.

How many CVEs have patched encode?: 1 published CVEs changed encode in apache/tomcat, in 3 distinct patches totalling 29 changed lines, between 2026 and 2026.
What is the latest CVE that changed encode?: CVE-2026-41293 (Apache Tomcat: HTTP/2 request headers not validated), published 2026-05-12, changed lines 127 to 158 of java/org/apache/coyote/http2/HpackEncoder.java.
How does encode compare to the rest of apache/tomcat?: apache/tomcat has 135 CVEs with a located fix in total; 1 of them changed encode.
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/http2/HpackEncoder.java on GitHub (opens in a new tab)
java/org/apache/coyote/http2/HPackHuffman.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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