How many CVEs have patched checkRequestHeaders?

2 published CVEs changed checkRequestHeaders in undertow-io/undertow, in 2 distinct patches totalling 36 changed lines, between 2021 and 2024.

What is the latest CVE that changed checkRequestHeaders?

CVE-2023-1973 (Undertow Denial of Service vulnerability), published 2024-11-07, changed lines 325 to 327 of core/src/main/java/io/undertow/server/protocol/http2/Http2ReceiveListener.java.

How does checkRequestHeaders compare to the rest of undertow-io/undertow?

undertow-io/undertow has 22 CVEs with a located fix in total; 2 of them changed checkRequestHeaders.

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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CheckRequestHeaders

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Patched Functions
Undertow Io
Undertow
CheckRequestHeaders

checkRequestHeaders in undertow-io/undertow: Patched by 2 CVEs

undertow-io/undertow

Function

checkRequestHeaders

Name: checkRequestHeaders in undertow-io/undertow: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

core/src/main/java/io/undertow/server/protocol/http2/Http2ReceiveListener.java

Last patched November 7, 2024

CVEs

That changed this function

Distinct patches

Backports counted once

Lines changed

Added plus removed

2021–2024

Years

By CVE publication date

Overview

checkRequestHeaders in undertow-io/undertow was changed by 2 published CVE fixes between 2021 and 2024, in 2 distinct patches that added or removed 36 lines in total.

undertow-io/undertow has 22 CVEs with a located fix in total, so 9% of them touched this function.

CVEs that patched it

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

Undertow Denial of Service vulnerability
CVE-2023-1973 · lines 325–327 · +2 −2
Medium · CVSS 6.6
EPSS 1.3%2024-11-07
HTTP request smuggling in Undertow
CVE-2021-20220 · lines 331–362 · +32 −0
Medium · CVSS 4.8
EPSS 1.2%2021-02-23

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Other functions in these files

Functions in the same file that CVE fixes also changed.

1handleRequestscore/src/main/java/io/undertow/server/protocol/http2/Http2ReceiveListener.java2 CVEs · 3 patches2018 to 2021
2handleInitialRequestcore/src/main/java/io/undertow/server/protocol/http2/Http2ReceiveListener.java2 CVEs · 1 patches2025 to 2026

Other hotspots in the repository

Functions in undertow-io/undertow changed by the most CVE fixes.

handleEventWithNoRunningRequest4 CVEs · core/src/main/java/io/undertow/server/protocol/http/HttpReadListener.java encode3 CVEs · core/src/main/java/io/undertow/protocols/http2/HpackEncoder.java parse3 CVEs · core/src/main/java/io/undertow/server/protocol/ajp/AjpRequestParser.java handlePath3 CVEs · core/src/main/java/io/undertow/server/protocol/http/HttpRequestParser.java handleEvent3 CVEs · core/src/main/java/io/undertow/server/protocol/ajp/AjpReadListener.java handleDigestHeader3 CVEs · core/src/main/java/io/undertow/security/impl/DigestAuthenticationMechanism.java

All patched functions in undertow-io/undertow

Frequently asked questions

Common questions about CVE fixes to checkRequestHeaders.

How many CVEs have patched checkRequestHeaders?: 2 published CVEs changed checkRequestHeaders in undertow-io/undertow, in 2 distinct patches totalling 36 changed lines, between 2021 and 2024.
What is the latest CVE that changed checkRequestHeaders?: CVE-2023-1973 (Undertow Denial of Service vulnerability), published 2024-11-07, changed lines 325 to 327 of core/src/main/java/io/undertow/server/protocol/http2/Http2ReceiveListener.java.
How does checkRequestHeaders compare to the rest of undertow-io/undertow?: undertow-io/undertow has 22 CVEs with a located fix in total; 2 of them changed checkRequestHeaders.
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

core/src/main/java/io/undertow/server/protocol/http2/Http2ReceiveListener.java on GitHub (opens in a new tab)
All patched functions in undertow-io/undertow
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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References