{"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"},{"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","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 2026-10-01 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-53434.json)\n- **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)\n- **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)\n- **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)\n- **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)\n- **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)\n- **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)\n- **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)\n- **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)\n- **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)\n\n## Package advisory (CVE-2026-53434)\n\nAffected packages:\n\n- `org.apache.tomcat:tomcat-util >= 11.0.0-M1, <= 11.0.22`\n- `org.apache.tomcat:tomcat-util >= 10.1.0-M7, <= 10.1.55`\n- `org.apache.tomcat:tomcat-util >= 9.0.83, <= 9.0.118`\n\nPatched in:\n\n- `org.apache.tomcat:tomcat-util 11.0.23`\n- `org.apache.tomcat:tomcat-util 10.1.56`\n- `org.apache.tomcat:tomcat-util 9.0.119`\n\nSource: https://github.com/advisories/GHSA-4x29-79gh-6v8q","depth":"midnight","depthScore":50,"depthScoreParts":{"impact":50.1,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}