tomcat11-user-instance vulnerabilities (Red Hat)
38 vulnerabilities.
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tomcat11-user-instanceRed Hat Apache Tomcat: WebSocket message smuggling with per-message-deflate 7.5 High -
tomcat11-user-instanceRed Hat Apache Tomcat: Regression in fix for CVE-2026-41293 can trigger request header mix-up 9.1 Critical -
tomcat11-user-instanceRed Hat Apache Tomcat: Fix for CVE-2026-34500 was incomplete. OCSP checks sometimes soft-fail with FFM even when soft-fail is disabled 9.8 Critical -
tomcat11-user-instanceRed Hat Apache Tomcat: WebSocket DoS due to lost asynchronous write timeout 7.5 High -
tomcat11-user-instanceRed Hat Apache Tomcat: HTTP/2 DoS via malformed request 7.3 High -
tomcat11-user-instanceRed Hat Apache Tomcat: AJP DoS via missing request body 7.5 High -
tomcat11-user-instanceRed Hat Apache Tomcat: DoS via busy wait during WebSocket close 7.5 High -
tomcat11-user-instanceRed Hat Apache Tomcat: Stale HPACK emitter injects trailers into recycled pooled Request 8.1 High -
tomcat11-user-instanceRed Hat Apache Tomcat: Transfer-Encoding honored for HTTP/1.0 requests 3.7 Low -
tomcat11-user-instanceRed Hat Apache Tomcat: Bypass of security constraints for WebSocket endpoints 9.8 Critical -
tomcat11-user-instanceRed Hat Apache Tomcat: Cross-context authentication mix-up with Jakarta Authentication configured 7.3 High -
tomcat11-user-instanceRed Hat Apache Tomcat: OpenSSL and OpenSSL-FFM TLS implementations ignore CRLs when certificate uses a keystore 6.5 Medium -
tomcat11-user-instanceRed Hat Apache Tomcat: Principal lookup can fail open in some cases 8.1 High -
tomcat11-user-instanceRed Hat Apache Tomcat: Authenticated WebSocket session survives end of HTTP session 6.8 Medium -
tomcat11-user-instanceRed Hat Apache Tomcat: DoS via allocation leak in HTTP/2 backlog tracking when a stream is reset 7.5 High -
tomcat11-user-instanceRed Hat Apache Tomcat: Redirect after FORM auth may bypass method specific constraints 9.1 Critical -
tomcat11-user-instanceRed Hat Apache Tomcat: Servlet role references can bypass declarative role constraints 8.1 High -
tomcat11-user-instanceRed Hat Apache Tomcat: RewriteValve [N] restarts at the second rule and may bypass access control 7.5 High -
tomcat11-user-instanceRed Hat Apache Tomcat: Limited replay attack possible with DIGEST authentication 9.8 Critical -
tomcat11-user-instanceRed Hat Apache Tomcat: HTTP/2 no-authority bypass of strict SNI validation - CVE-2026-32990 fix incomplete 9.8 Critical -
tomcat11-user-instanceRed Hat Apache Tomcat: TOCTOU when setting specific permissions for Unix Domain Sockets 8.1 High -
tomcat11-user-instanceRed Hat Apache Tomcat: Bypass longest prefix security constraint 9.1 Critical -
tomcat11-user-instanceRed Hat Apache Tomcat: DoS via WebSocket chat example 5.3 Medium -
tomcat11-user-instanceRed Hat Apache Tomcat: EncryptInterceptor requirements not clearly documented 9.1 Critical -
tomcat11-user-instanceRed Hat Apache Tomcat: Incorrect URL decoding in RewriteValve may allow security control bypass 9.1 Critical -
tomcat11-user-instanceRed Hat Apache Tomcat: Security constraints for default servlet ignored method 6.5 Medium -
tomcat11-user-instanceRed Hat Apache Tomcat: EncryptInterceptor not protected against replay attacks 6.5 Medium -
tomcat11-user-instanceRed Hat Apache Tomcat: Logged effective web.xml is incomplete 9.1 Critical -
tomcat11-user-instanceRed Hat Apache Tomcat: Invalid CRL configuration doesn't trigger failure for FFM Connector 9.1 Critical -
tomcat11-user-instanceRed Hat Apache Tomcat: Bad ornext processing in RewriteValve 7.3 High -
tomcat11-user-instanceRed Hat Apache Tomcat: XSS in number guess example 6.1 Medium -
tomcat11-user-instanceRed Hat Apache Tomcat: Authentication bypass with JNDIRealm and GSSAPI authenticated bind 7.3 High -
tomcat11-user-instanceRed Hat Apache Tomcat: Security constraints not correctly applied 9.1 Critical -
tomcat11-user-instanceRed Hat Apache Tomcat: AJP secret compared in non-constant time 3.7 Low -
tomcat11-user-instanceRed Hat Apache Tomcat: LockOutRealm treats user names as case-sensitive 7.5 High -
tomcat11-user-instanceRed Hat Apache Tomcat: Digest authenticator will authenticate any unknown user 9.8 Critical -
tomcat11-user-instanceRed Hat Apache Tomcat: WebSocket authentication header exposure 7.3 High -
tomcat11-user-instanceRed Hat Apache Tomcat: Unbounded read in WebDAV LOCK and PROPFIND handling 7.5 High