tomcat-native: Race condition within a thread vulnerability in Apache Tomcat Native allowed client certificate verification requirem...
CVE-2026-86247 is fixed in 11 products on 1 platform, first by RHSA-2026:93618, released September 23, 2026. It is not reported as exploited. Patch Radar priority: High.
Race condition within a thread vulnerability in Apache Tomcat Native allowed client certificate verification requirements to be down-graded for some configurations. This issue affects Apache Tomcat Native: from 2.0.0 through 2.0.15, from 1.3.0 through 1.3.8. Unsupported versions may also be affected. Users are recommended to upgrade to version 2.0.16 or 1.3.9, which fixes the issue.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| jws7-mod_cluster · RHEL 10 | 2.1.1-1.Final_redhat_00001.1.el10jws | RHSA-2026:93618 | Sep 23, 2026 |
| jws7-tomcat · RHEL 10 | 11.0.21-10.redhat_00010.1.el10jws | RHSA-2026:93618 | Sep 23, 2026 |
| jws7-tomcat-native · RHEL 10 | 1.3.7-4.redhat_4.el10jws | RHSA-2026:93618 | Sep 23, 2026 |
| libtcnative-1-0 · opensuse-leap 16.0 | 1.3.9-160000.1.1 | OPENSUSE-SU-2026:21984-1 | Sep 30, 2026 |
| libtcnative-1-0 · sles 15.6 | 1.3.9-150600.16.9.2 | SUSE-SU-2026:4544-1 | Oct 6, 2026 |
| libtcnative-1-0 · sles 15.7 | 1.3.9-150600.16.9.2 | SUSE-SU-2026:4544-1 | Oct 6, 2026 |
| libtcnative-1-0 · sles 16.0 | 1.3.9-160000.1.1 | SUSE-SU-2026:23985-1 | Sep 30, 2026 |
| libtcnative-2-0 · opensuse-leap 16.0 | 2.0.16-160000.1.1 | OPENSUSE-SU-2026:21984-1 | Sep 30, 2026 |
| libtcnative-2-0 · sles 15.6 | 2.0.16-150400.9.6.1 | SUSE-SU-2026:4658-1 | Nov 7, 2026 |
| libtcnative-2-0 · sles 15.7 | 2.0.16-150400.9.6.1 | SUSE-SU-2026:4658-1 | Nov 7, 2026 |
| libtcnative-2-0 · sles 16.0 | 2.0.16-160000.1.1 | SUSE-SU-2026:23985-1 | Sep 30, 2026 |
| tomcat · opensuse-leap 16.0 | 9.0.122-160000.1.1 | OPENSUSE-SU-2026:21984-1 | Sep 30, 2026 |
| tomcat · sles 15.6 | 9.0.122-150200.123.2 | SUSE-SU-2026:4546-1 | Oct 6, 2026 |
| tomcat · sles 15.7 | 9.0.122-150200.123.2 | SUSE-SU-2026:4546-1 | Oct 6, 2026 |
| tomcat · sles 16.0 | 9.0.122-160000.1.1 | SUSE-SU-2026:23985-1 | Sep 30, 2026 |
| tomcat-native · Debian 14 | 2.0.16-1 | DEBIAN-CVE-2026-86247 | Sep 24, 2026 |
| tomcat-native · amzn 2023 | 2.0.16-1.amzn2023.0.1 | ALAS2023-2026-3167 | Nov 7, 2026 |
| tomcat-native-debuginfo · amzn 2023 | 2.0.16-1.amzn2023.0.1 | ALAS2023-2026-3167 | Nov 7, 2026 |
| tomcat-native-debugsource · amzn 2023 | 2.0.16-1.amzn2023.0.1 | ALAS2023-2026-3167 | Nov 7, 2026 |
| tomcat10 · opensuse-leap 16.0 | 10.1.60-160000.1.1 | OPENSUSE-SU-2026:21984-1 | Sep 30, 2026 |
| tomcat10 · sles 15.6 | 10.1.60-150200.5.82.2 | SUSE-SU-2026:4546-1 | Oct 6, 2026 |
| tomcat10 · sles 15.7 | 10.1.60-150200.5.82.2 | SUSE-SU-2026:4546-1 | Oct 6, 2026 |
| tomcat10 · sles 16.0 | 10.1.60-160000.1.1 | SUSE-SU-2026:23985-1 | Sep 30, 2026 |
| tomcat11 · opensuse-leap 16.0 | 11.0.26-160000.1.1 | OPENSUSE-SU-2026:21984-1 | Sep 30, 2026 |
| tomcat11 · sles 15.6 | 11.0.26-150600.13.36.2 | SUSE-SU-2026:4544-1 | Oct 6, 2026 |
| tomcat11 · sles 15.7 | 11.0.26-150600.13.36.2 | SUSE-SU-2026:4544-1 | Oct 6, 2026 |
| tomcat11 · sles 16.0 | 11.0.26-160000.1.1 | SUSE-SU-2026:23985-1 | Sep 30, 2026 |
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