Multiple Apache Tomcat vulnerabilities

Moderate: Apache Tomcat: Fix for CVE-2025-66614 is incomplete CVE-2026-32990 The validation of SNI name and host name did not take account of possible differences in case allowing the strict SNI checks to be bypassed. Important: Apache Tomcat: EncryptInterceptor vulnerable to padding oracle attac...

Fixed in Apache Tomcat 11.0.26

Low: WebSocket message smuggling with per-message-deflate CVE-2026-87022 Improper handling of length parameter allows WebSocket message smuggling when per-message-deflate is used. This was fixed with commit 4fef25fe. This issue was reported to the Tomcat security team on 7 September 2026. The iss...

Oracle Linux 10 : tomcat9 (ELSA-2026-25341)

The remote Oracle Linux 10 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-25341 advisory. - Resolves: RHEL-150720 Tomcat: Certificate revocation bypass due to improper OCSP response validation CVE-2026-24734 - Resolves: Tomcat: OCSP checks sometime...

Oracle Linux 9 : tomcat (ELSA-2026-18916)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-18916 advisory. - Resolves: Tomcat: OCSP checks sometimes soft-fail with FFM even when soft-fail is disabled CVE-2026-34500 - Resolves: Tomcat: Cloud membership for...

SUSE SLES15 Security Update : tomcat (SUSE-SU-2026:1604-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1604-1 advisory. Security fixes: - CVE-2026-24880: Request smuggling via invalid chunk extension bsc1261850. - CVE-2026-25854: Occasionally open...

SUSE-SU-2026:1603-1 Security update for tomcat10

This update for tomcat10 fixes the following issues: Security fixes: - CVE-2026-24880: Request smuggling via invalid chunk extension bsc1261850. - CVE-2026-25854: Occasionally open redirect bsc1261851. - CVE-2026-29129: TLS cipher order is not preserved bsc1261852. - CVE-2026-29145: OCSP checks...

SUSE SLES15 Security Update : tomcat11 (SUSE-SU-2026:1558-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1558-1 advisory. Security fixes: - CVE-2026-24880: Request smuggling via invalid chunk extension bsc1261850. - CVE-2026-25854: Occasionally open...

openSUSE 16 Security Update : tomcat10 (openSUSE-SU-2026:20612-1)

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:20612-1 advisory. - Update to Tomcat 10.1.54 - CVE-2026-24880: Request smuggling via invalid chunk extension bsc1261850. - CVE-2026-25854: Occasionally open...

Security update for tomcat11

This update for tomcat11 fixes the following issues: Security fixes: CVE-2026-24880: Request smuggling via invalid chunk extension bsc1261850. CVE-2026-25854: Occasionally open redirect bsc1261851. CVE-2026-29129: TLS cipher order is not preserved bsc1261852. CVE-2026-29145: OCSP checks sometimes...

SUSE-SU-2026:1558-1 Security update for tomcat11

This update for tomcat11 fixes the following issues: Security fixes: - CVE-2026-24880: Request smuggling via invalid chunk extension bsc1261850. - CVE-2026-25854: Occasionally open redirect bsc1261851. - CVE-2026-29129: TLS cipher order is not preserved bsc1261852. - CVE-2026-29145: OCSP checks...

BIT-TOMCAT-2026-34500 Apache Tomcat: OCSP checks sometimes soft-fail with FFM even when soft-fail is disabled

CLIENTCERT authentication does not fail as expected for some scenarios when soft fail is disabled and FFM is used in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0 through 11.0.20, from 10.1.22 through 10.1.53, from 9.0.92 through 9.0.116. Users are recommended to upgrade to version...

MGASA-2026-0095 Updated tomcat packages fix security vulnerabilities

Request smuggling via invalid chunk extension. CVE-2026-24880 Occasionally open redirect. CVE-2026-25854 TLS cipher order is not preserved. CVE-2026-29129 OCSP checks sometimes soft-fail even when soft-fail is disabled. CVE-2026-29145 EncryptInterceptor vulnerable to padding oracle attack by...

Updated tomcat packages fix security vulnerabilities

Request smuggling via invalid chunk extension. CVE-2026-24880 Occasionally open redirect. CVE-2026-25854 TLS cipher order is not preserved. CVE-2026-29129 OCSP checks sometimes soft-fail even when soft-fail is disabled. CVE-2026-29145 EncryptInterceptor vulnerable to padding oracle attack by...

CVE-2026-34500 Apache Tomcat: OCSP checks sometimes soft-fail with FFM even when soft-fail is disabled

CLIENTCERT authentication does not fail as expected for some scenarios when soft fail is disabled and FFM is used in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M14 through 11.0.20, from 10.1.22 through 10.1.53, from 9.0.92 through 9.0.116. Users are recommended to upgrade to...

CVE-2026-34500

Apache Tomcat is vulnerable to an authentication bypass where CLIENT_CERT authentication fails to behave as expected in specific scenarios. This occurs when soft fail is disabled and FFM is utilized. The issue impacts Apache Tomcat versions 11.0.0-M14 through 11.0.20 , 10.1.22 through 10.1.53 , a...

SUSE SLES15 / openSUSE 15 Security Update : tomcat (SUSE-SU-2026:0932-1)

The remote SUSE Linux SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0932-1 advisory. Update to Tomcat 9.0.115: - CVE-2025-66614: client certificate verification bypass due to virtual host mapping...

SUSE-SU-2026:0932-1 Security update for tomcat

This update for tomcat fixes the following issues: Update to Tomcat 9.0.115: - CVE-2025-66614: client certificate verification bypass due to virtual host mapping bsc1258371. - CVE-2026-24733: improper input validation on HTTP/0.9 requests bsc1258385. - CVE-2026-24734: certificate revocation bypas...

openSUSE 16 Security Update : tomcat (openSUSE-SU-2026:20350-1)

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:20350-1 advisory. Update to Tomcat 9.0.115: - CVE-2025-66614: client certificate verification bypass due to virtual host mapping bsc1258371. - CVE-2026-24733:...

SUSE CVE-2017-15698

When parsing the AIA-Extension field of a client certificate, Apache Tomcat Native Connector 1.2.0 to 1.2.14 and 1.1.23 to 1.1.34 did not correctly handle fields longer than 127 bytes. The result of the parsing error was to skip the OCSP check. It was therefore possible for client certificates th...

CVE-2018-8020

Apache Tomcat Native 1.2.0 to 1.2.16 and 1.1.23 to 1.1.34 has a flaw that does not properly check OCSP pre-produced responses, which are lists multiple entries of certificate statuses. Subsequently, revoked client certificates may not be properly identified, allowing for users to authenticate wit...