How many CVEs have patched RealmBase?

2 published CVEs changed RealmBase in apache/tomcat, in 3 distinct patches totalling 9 changed lines, between 2017 and 2026.

What is the latest CVE that changed RealmBase?

CVE-2026-65182 (Apache Tomcat: Bypass longest prefix security constraint), published 2026-08-25, changed lines 71 to 72 of java/org/apache/catalina/realm/RealmBase.java.

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

apache/tomcat has 135 CVEs with a located fix in total; 2 of them changed RealmBase.

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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RealmBase

RealmBase in apache/tomcat: Patched by 2 CVEs

apache/tomcat

Class

RealmBase

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

java/org/apache/catalina/realm/RealmBase.java

Last patched August 25, 2026

CVEs

That changed this function

Distinct patches

Backports counted once

Lines changed

Added plus removed

2017–2026

Years

By CVE publication date

Overview

RealmBase in apache/tomcat was changed by 2 published CVE fixes between 2017 and 2026, in 3 distinct patches that added or removed 9 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 RealmBase, newest first, with the lines each fix touched.

On this page

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

Apache Tomcat: Bypass longest prefix security constraint
CVE-2026-65182 · lines 71–72 · +2 −3
Critical · CVSS 9.1
EPSS 0.5%2026-08-25
Observable Discrepancy in Apache Tomcat
CVE-2016-0762 · lines 164–172 · +2 −2 in 2 hunks
Medium · CVSS 5.9
EPSS 8.0%2017-08-10

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Other functions in these files

Functions in the same file that CVE fixes also changed.

1authenticatejava/org/apache/catalina/realm/RealmBase.java4 CVEs · 3 patches2012 to 2017
2findSecurityConstraintsjava/org/apache/catalina/realm/RealmBase.java2 CVEs · 4 patches2026
3backgroundProcessjava/org/apache/catalina/realm/RealmBase.java2 CVEs · 4 patches2017 to 2018
4toStringjava/org/apache/catalina/realm/RealmBase.java2 CVEs · 3 patches2017 to 2026
5getDigestjava/org/apache/catalina/realm/RealmBase.java2 CVEs · 3 patches2017 to 2026
6hasResourcePermissionjava/org/apache/catalina/realm/RealmBase.java2 CVEs · 2 patches2012 to 2017
7setStripRealmForGssjava/org/apache/catalina/realm/RealmBase.java1 CVEs · 2 patches2026
8getObjectNameKeyPropertiesjava/org/apache/catalina/realm/RealmBase.java1 CVEs · 1 patches2017

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 RealmBase.

How many CVEs have patched RealmBase?: 2 published CVEs changed RealmBase in apache/tomcat, in 3 distinct patches totalling 9 changed lines, between 2017 and 2026.
What is the latest CVE that changed RealmBase?: CVE-2026-65182 (Apache Tomcat: Bypass longest prefix security constraint), published 2026-08-25, changed lines 71 to 72 of java/org/apache/catalina/realm/RealmBase.java.
How does RealmBase compare to the rest of apache/tomcat?: apache/tomcat has 135 CVEs with a located fix in total; 2 of them changed RealmBase.
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/catalina/realm/RealmBase.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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