RLSA-2026:99174: Security update for 8 packages

RLSA-2026:99174, released November 7, 2026, fixes 8 CVEs across 8 products. None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent

CVEs closed

2 rated Critical

Exploited

None reported

Highest CVSS

9.8

Base score, 0 to 10

Highest EPSS

0.0171

77th percentile

Priority of the 8 CVEs

Patch now 0
                                Urgent 2
                                High 6
                                Routine 0

Fixed package versions

Product	Release	Fixed in
tomcat9	rocky 10	1:9.0.120-2.el10_3
tomcat9-admin-webapps	rocky 10	1:9.0.120-2.el10_3
tomcat9-docs-webapp	rocky 10	1:9.0.120-2.el10_3
tomcat9-el-3.0-api	rocky 10	1:9.0.120-2.el10_3
tomcat9-jsp-2.3-api	rocky 10	1:9.0.120-2.el10_3
tomcat9-lib	rocky 10	1:9.0.120-2.el10_3
tomcat9-servlet-4.0-api	rocky 10	1:9.0.120-2.el10_3
tomcat9-webapps	rocky 10	1:9.0.120-2.el10_3

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Urgent	CVE-2026-59083	tomcat11: Improper Handling of URL Encoding (Hex Encoding) vulnerability in Apache Tomcat's rewrite valve allowed security cons...	9.1	0.0052	None reported
Urgent	CVE-2026-59084	tomcat11: Insufficient Technical Documentation vulnerability in Apache Tomcat since the requirements to securely configure the...	9.1	0.0051	None reported
High	CVE-2026-41293	tomcat: HTTP/2 request headers not validated (bsc#1265163).	9.8	0.0171	None reported
High	CVE-2026-43512	tomcat: digest authenticator will authenticate any unknown user (bsc#1265145).	9.8	0.0133	None reported
High	CVE-2026-43515	tomcat: Security constraints not correctly applied (bsc#1265168).	9.1	0.0122	None reported
High	CVE-2026-42498	tomcat: WebSocket authentication header exposure (bsc#1265165).	7.3	0.0069	None reported
High	CVE-2026-43513	tomcat: LockOutRealm treats user names as case-sensitive (bsc#1265166).	7.5	0.0050	None reported
High	CVE-2026-32990	tomcat: The fix for CVE-2025-66614 was incomplete, so this CVE completes it (bsc#1258371).	7.3	0.0031	None reported

Also fixes CVE-2026-59083

RHSA-2026:68677
tomcat, tomcat-admin-webapps, tomcat-docs-webapp and 5 more on RHEL 8
ALSA-2026:68677
tomcat, tomcat-admin-webapps, tomcat-docs-webapp and 5 more on almalinux 8.10
RHSA-2026:68660
tomcat, tomcat-admin-webapps, tomcat-docs-webapp and 5 more on RHEL 9
ALSA-2026:68651
tomcat9, tomcat9-admin-webapps, tomcat9-docs-webapp and 5 more on almalinux 10.0
ALSA-2026:68660
tomcat, tomcat-admin-webapps, tomcat-docs-webapp and 5 more on almalinux 9.0
ALAS2023-2026-1945
tomcat9, tomcat9-admin-webapps, tomcat9-docs-webapp and 5 more on amzn 2023
ALAS2023-2026-1946
tomcat10, tomcat10-admin-webapps, tomcat10-docs-webapp and 5 more on amzn 2023
RLSA-2026:68677
tomcat on rocky 8

Vendor advisory

https://errata.rockylinux.org/RLSA-2026:99174

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