{"id":"CVE-2026-53434","title":"Detection of Error Condition Without Action vulnerability in Apache Tomcat when configuring CRLs for a FFM based connector.\n\nThis 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.\n\nThis 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"}],"tags":["nvd","csaf","vex","red-hat","score-dispute"],"epss":0.00586,"epssPercentile":0.46713,"ingestedAt":"2026-07-03T13:02:28.101Z","scores":{"nvd":9.1,"vendor":3.7},"slug":"CVE-2026-53434","body":"## Overview\n\nDetection of Error Condition Without Action vulnerability in Apache Tomcat when configuring CRLs for a FFM based connector.\n\nThis 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.\n\nUsers are recommended to upgrade to version 11.0.23, 10.1.56 or 9.0.119, which fixes the issue.\n\n## Affected\n\n- `tomcat >= 9.0.83, < 9.0.119`\n- `tomcat >= 10.1.0, < 10.1.56`\n- `tomcat >= 11.0.0, < 11.0.23`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `tomcat 11.0.23`\n\n## Vendor advisories\n\n- **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)\n- **RHSA-2026:29203** · Red Hat · fixed in: Red Hat Hardened Images · released 2026-06-24 · [advisory](https://access.redhat.com/errata/RHSA-2026:29203)\n- **RHSA-2026:32960** · Red Hat · fixed in: Red Hat Hardened Images · released 2026-06-29 · [advisory](https://access.redhat.com/errata/RHSA-2026:32960)\n- **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 2026-09-22 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-53434.json)","depth":"midnight","depthScore":50,"depthScoreParts":{"impact":50.1,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}