How many CVEs have patched upgradeDispatch?

1 published CVEs changed upgradeDispatch in apache/tomcat, in 3 distinct patches totalling 7 changed lines, between 2025 and 2025.

What is the latest CVE that changed upgradeDispatch?

CVE-2025-31650 (Apache Tomcat: DoS via malformed HTTP/2 PRIORITY_UPDATE frame), published 2025-04-28, changed lines 446 to 452 of java/org/apache/coyote/http2/Http2UpgradeHandler.java.

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

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

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

upgradeDispatch

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

java/org/apache/coyote/http2/Http2UpgradeHandler.java

Last patched April 28, 2025

1

CVEs

That changed this function

3

Distinct patches

Backports counted once

7

Lines changed

Added plus removed

2025

Years

By CVE publication date

Overview

upgradeDispatch in apache/tomcat was changed by 1 published CVE fixes in 2025, in 3 distinct patches that added or removed 7 lines in total.

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

CVEs that patched it

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

Apache Tomcat: DoS via malformed HTTP/2 PRIORITY_UPDATE frame
CVE-2025-31650 · lines 446–452 · +7 −0
Medium · CVSS 6.6
EPSS 61.3%2025-04-28

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Other functions in these files

Functions in the same file 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 upgradeDispatch.

How many CVEs have patched upgradeDispatch?: 1 published CVEs changed upgradeDispatch in apache/tomcat, in 3 distinct patches totalling 7 changed lines, between 2025 and 2025.
What is the latest CVE that changed upgradeDispatch?: CVE-2025-31650 (Apache Tomcat: DoS via malformed HTTP/2 PRIORITY_UPDATE frame), published 2025-04-28, changed lines 446 to 452 of java/org/apache/coyote/http2/Http2UpgradeHandler.java.
How does upgradeDispatch compare to the rest of apache/tomcat?: apache/tomcat has 135 CVEs with a located fix in total; 1 of them changed upgradeDispatch.
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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