How many CVEs have patched decode?

1 published CVEs changed decode in apache/tomcat, in 3 distinct patches totalling 42 changed lines, between 2026 and 2026.

What is the latest CVE that changed decode?

CVE-2026-41293 (Apache Tomcat: HTTP/2 request headers not validated), published 2026-05-12, changed lines 118 to 145 of java/org/apache/coyote/http2/HpackDecoder.java.

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

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

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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Patched Functions
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Decode

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Patched Functions
Apache
Tomcat
Decode

decode in apache/tomcat: Patched by 1 CVEs

apache/tomcat

Function

2 files

decode

Name: decode 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

decode in apache/tomcat was changed by 1 published CVE fixes in 2026, in 3 distinct patches that added or removed 42 lines in total.

The name occurs in 2 files: java/org/apache/coyote/http2/HPackHuffman.java, java/org/apache/coyote/http2/HpackDecoder.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 decode, newest first, with the lines each fix touched.

Apache Tomcat: HTTP/2 request headers not validated
CVE-2026-41293 · java/org/apache/coyote/http2/HpackDecoder.java · lines 118–145 · +3 −3 in 3 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 421–502 · +22 −14 in 3 hunks
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.

1readHpackStringjava/org/apache/coyote/http2/HpackDecoder.java2 CVEs · 3 patches2020 to 2026
2encodejava/org/apache/coyote/http2/HPackHuffman.java1 CVEs · 1 patches2026
3tojava/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 decode.

How many CVEs have patched decode?: 1 published CVEs changed decode in apache/tomcat, in 3 distinct patches totalling 42 changed lines, between 2026 and 2026.
What is the latest CVE that changed decode?: CVE-2026-41293 (Apache Tomcat: HTTP/2 request headers not validated), published 2026-05-12, changed lines 118 to 145 of java/org/apache/coyote/http2/HpackDecoder.java.
How does decode compare to the rest of apache/tomcat?: apache/tomcat has 135 CVEs with a located fix in total; 1 of them changed decode.
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/HPackHuffman.java on GitHub (opens in a new tab)
java/org/apache/coyote/http2/HpackDecoder.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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