--- id: CVE-2026-53434 title: >- Detection of Error Condition Without Action vulnerability in Apache Tomcat when configuring CRLs for a FFM based connector. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M7 through 10.1.55, from 9.0.83 th… summary: >- Detection of Error Condition Without Action vulnerability in Apache Tomcat when configuring CRLs for a FFM based connector. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M7 through 10.1.55, from 9.0.83 th… severity: critical cvss: 9.1 cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N' cwe: - CWE-390 vendor: apache product: tomcat affected: - 'tomcat >= 9.0.83, < 9.0.119' - 'tomcat >= 10.1.0, < 10.1.56' - 'tomcat >= 11.0.0, < 11.0.23' patched: - tomcat 11.0.23 published: '2026-06-29' updated: '2026-07-02' source: NVD sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-53434' references: - url: 'https://lists.apache.org/thread/x510lbq0sfrd1qyo7q3r1mpllgpdcosk' label: security@apache.org - url: 'http://www.openwall.com/lists/oss-security/2026/06/29/22' label: af854a3a-2127-422b-91ae-364da2661108 - url: >- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-53434.json - url: 'https://access.redhat.com/security/cve/CVE-2026-53434' - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2494668' - url: 'https://www.cve.org/CVERecord?id=CVE-2026-53434' - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-53434' - url: 'https://access.redhat.com/errata/RHSA-2026:49951' - url: 'https://access.redhat.com/errata/RHSA-2026:29203' - url: 'https://access.redhat.com/errata/RHSA-2026:32960' - url: 'https://access.redhat.com/errata/RHSA-2026:67163' - url: 'https://access.redhat.com/errata/RHSA-2026:68651' - url: 'https://access.redhat.com/errata/RHSA-2026:68677' - url: 'https://access.redhat.com/errata/RHSA-2026:68680' - url: 'https://access.redhat.com/errata/RHSA-2026:68678' - url: 'https://access.redhat.com/errata/RHSA-2026:68679' - url: 'https://access.redhat.com/errata/RHSA-2026:68659' - url: 'https://access.redhat.com/errata/RHSA-2026:68660' - url: 'https://access.redhat.com/errata/RHSA-2026:73981' - url: 'https://access.redhat.com/errata/RHSA-2026:73982' - url: >- https://github.com/apache/tomcat/commit/7f8ecdbd930d8c5a7fae73aa0eec9124d919e2f5 - url: >- https://github.com/apache/tomcat/commit/c48ac39c27f4494f8c96b9d56a487253e362d276 - url: >- https://github.com/apache/tomcat/commit/feec60d6099727db6f911534f6a0f6926ebab070 - url: 'https://github.com/advisories/GHSA-4x29-79gh-6v8q' tags: - nvd - csaf - vex - red-hat - ghsa - maven - score-dispute epss: 0.00586 epssPercentile: 0.47806 ingestedAt: '2026-07-03T13:02:28.101Z' scores: nvd: 9.1 vendor: 3.7 ghsa: 9.1 aliases: - GHSA-4x29-79gh-6v8q ecosystem: maven --- ## Overview Detection of Error Condition Without Action vulnerability in Apache Tomcat when configuring CRLs for a FFM based connector. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M7 through 10.1.55, from 9.0.83 through 9.0.118. Users are recommended to upgrade to version 11.0.23, 10.1.56 or 9.0.119, which fixes the issue. ## Affected - `tomcat >= 9.0.83, < 9.0.119` - `tomcat >= 10.1.0, < 10.1.56` - `tomcat >= 11.0.0, < 11.0.23` ## Remediation Upgrade past the affected range: - `tomcat 11.0.23` ## Vendor advisories - **RHSA-2026:49951** · Red Hat · fixed in: Red Hat JBoss Web Server 7.0 on RHEL 10, Red Hat JBoss Web Server 7.0 on RHEL 8, Red Hat JBoss Web Server 7.0 on RHEL 9 · released 2026-08-05 · [advisory](https://access.redhat.com/errata/RHSA-2026:49951) - **RHSA-2026:29203** · Red Hat · fixed in: Red Hat Hardened Images · released 2026-06-24 · [advisory](https://access.redhat.com/errata/RHSA-2026:29203) - **RHSA-2026:32960** · Red Hat · fixed in: Red Hat Hardened Images · released 2026-06-29 · [advisory](https://access.redhat.com/errata/RHSA-2026:32960) - **Red Hat VEX** · Low · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat JBoss Web Server 5 · no fix planned: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, … · updated 2026-10-01 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-53434.json) - **RHSA-2026:67163** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream EUS (v. 10.0) · released 2026-09-14 · [advisory](https://access.redhat.com/errata/RHSA-2026:67163) - **RHSA-2026:68651** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 10) · released 2026-09-18 · [advisory](https://access.redhat.com/errata/RHSA-2026:68651) - **RHSA-2026:68677** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 8) · released 2026-09-17 · [advisory](https://access.redhat.com/errata/RHSA-2026:68677) - **RHSA-2026:68680** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream E4S (v.8.8), Red Hat Enterprise Linux AppStream TUS (v.8.8) · released 2026-09-17 · [advisory](https://access.redhat.com/errata/RHSA-2026:68680) - **RHSA-2026:68678** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream E4S (v.9.2) · released 2026-09-17 · [advisory](https://access.redhat.com/errata/RHSA-2026:68678) - **RHSA-2026:68679** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream E4S (v.9.4) · released 2026-09-17 · [advisory](https://access.redhat.com/errata/RHSA-2026:68679) - **RHSA-2026:68659** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream EUS (v.9.6) · released 2026-09-17 · [advisory](https://access.redhat.com/errata/RHSA-2026:68659) - **RHSA-2026:68660** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 9) · released 2026-09-17 · [advisory](https://access.redhat.com/errata/RHSA-2026:68660) - **RHSA-2026:73981** · Red Hat · fixed in: Red Hat JBoss Web Server 6.2 on RHEL 10, Red Hat JBoss Web Server 6.2 on RHEL 8, Red Hat JBoss Web Server 6.2 on RHEL 9 · released 2026-10-01 · [advisory](https://access.redhat.com/errata/RHSA-2026:73981) ## Package advisory (CVE-2026-53434) Affected packages: - `org.apache.tomcat:tomcat-util >= 11.0.0-M1, <= 11.0.22` - `org.apache.tomcat:tomcat-util >= 10.1.0-M7, <= 10.1.55` - `org.apache.tomcat:tomcat-util >= 9.0.83, <= 9.0.118` Patched in: - `org.apache.tomcat:tomcat-util 11.0.23` - `org.apache.tomcat:tomcat-util 10.1.56` - `org.apache.tomcat:tomcat-util 9.0.119` Source: https://github.com/advisories/GHSA-4x29-79gh-6v8q