DEBIAN-CVE-2026-86247: tomcat-native security update

DEBIAN-CVE-2026-86247, released September 24, 2026, fixes 1 CVE in tomcat-native (version 2.0.16-1). None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

7.4

Base score, 0 to 10

Highest EPSS

0.0020

10th percentile

Fixed package versions

Product	Release	Fixed in
tomcat-native	Debian 14	2.0.16-1

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-86247	tomcat-native: Race condition within a thread vulnerability in Apache Tomcat Native allowed client certificate verification requirem...	7.4	0.0020	None reported

Also fixes CVE-2026-86247

RHSA-2026:93618
jws7-mod_cluster, jws7-tomcat, jws7-tomcat-native on RHEL 10
SUSE-SU-2026:4546-1
tomcat, tomcat10 on sles 15.6, sles 15.7
SUSE-SU-2026:4544-1
libtcnative-1-0, tomcat11 on sles 15.6, sles 15.7
OPENSUSE-SU-2026:21984-1
libtcnative-1-0, libtcnative-2-0, tomcat and 2 more on opensuse-leap 16.0
SUSE-SU-2026:23985-1
libtcnative-1-0, libtcnative-2-0, tomcat and 2 more on sles 16.0
ALAS2023-2026-3167
tomcat-native, tomcat-native-debuginfo, tomcat-native-debugsource on amzn 2023
SUSE-SU-2026:4658-1
libtcnative-2-0 on sles 15.6, sles 15.7

Vendor advisory

https://security-tracker.debian.org/tracker/CVE-2026-86247

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