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Red Hat — Vulnerabilities & Security Advisories 1426

Browse all 1426 CVE security advisories affecting Red Hat. AI-powered Chinese analysis, POCs, and references for each vulnerability.

Red Hat operates primarily as a provider of open-source enterprise software solutions, most notably its Linux operating system and container platforms. With 688 recorded Common Vulnerabilities and Exposures, the organization’s historical attack surface frequently involves remote code execution, cross-site scripting, and privilege escalation flaws within its middleware and management tools. These vulnerabilities often stem from complex codebases and third-party dependencies integrated into its distribution. Security characteristics are defined by a rigorous patching lifecycle and the Red Hat Security Response Team, which issues timely advisories for critical issues. While major public breaches directly attributed to Red Hat core infrastructure are rare, individual component flaws have occasionally allowed attackers to gain unauthorized access or execute arbitrary commands. The company maintains a strong reputation for transparency, providing detailed technical guidance to help administrators mitigate risks associated with its widely deployed enterprise technologies.

CVE ID Title CVSS Severity Published
CVE-2026-93432 Io.quarkus.qute:quarkus-core: cross-site scripting (xss) and json injection via qute {#eval} section in quarkus — Exploit Intelligence CWE-79 6.1 Medium 2026-09-18
CVE-2026-91142 Cockpit: integer overflow in `do_lastlog()` offset calculation can misaddress `lastlog` entries on ilp32 builds — Red Hat Enterprise Linux 10 CWE-787 3.6 Low 2026-09-18
CVE-2026-91147 Cockpit: cockpit: denial of service in `cockpit-ws` due to url-root handling without a trailing slash — Red Hat Enterprise Linux 10 CWE-617 5.9 Medium 2026-09-18
CVE-2026-91149 Cockpit: cockpit: denial of service via unbounded connection thread spawning — Red Hat Enterprise Linux 10 CWE-770 7.5 High 2026-09-18
CVE-2026-93579 Io.netty/netty-codec-http2: netty: http/2 header field values are not validated by default (cr/lf/nul passthrough) — Red Hat AMQ Broker 7 CWE-1035 6.5 Medium 2026-09-18
CVE-2026-93685 Multicluster-observability-addon: multicluster-observability-addon: possible unauthenticated debug/metrics endpoint via cmdfactory.newcontrollercommandconfig (confirmed exposed by engineering) — Red Hat Advanced Cluster Management for Kubernetes 2 CWE-200 5.4 Medium 2026-09-18
CVE-2026-93573 Io.netty/netty-codec-http: netty split transfer-encoding fields bypass final-chunked validation and enable request smuggling — Red Hat AMQ Broker 7 CWE-444 6.5 Medium 2026-09-18
CVE-2026-93568 Io.netty/netty-codec-http2: io.netty/netty-codec-http3: netty: http/2 and http/3 extended connect requests are downgraded as regular connect requests — Red Hat AMQ Broker 7 CWE-20 7.5 High 2026-09-18
CVE-2026-93576 Io.netty/netty-codec-smtp: netty netty-codec-smtp — smtp command-name field is not crlf-validated (incomplete fix of cve-2025-59419) — Red Hat build of Apache Camel for Spring Boot 4 CWE-93 7.5 High 2026-09-18
CVE-2026-85511 Wildfly-elytron-realm-token: parameter injection in eap's elytron oauth2 — Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 CWE-290 4.2 Medium 2026-09-18
CVE-2026-93569 Io.netty/netty-codec-http2: http/1 absolute-form host mismatch is translated to http/2 :authority, overriding the request-target authority — Red Hat AMQ Broker 7 CWE-444 8.2 High 2026-09-18
CVE-2026-93567 Io.netty/netty-codec-http2: http/1 authority-form connect is translated to malformed http/2 connect with host-controlled :authority — Red Hat AMQ Broker 7 CWE-20 7.5 High 2026-09-18
CVE-2026-93676 Xdg-dbus-proxy: xdg-dbus-proxy: filtering for broadcast messages bypasses path/interface/member checks — Red Hat Enterprise Linux 10 CWE-284 3.2 Low 2026-09-18
CVE-2026-93566 Io.netty/netty-codec-http: netty: http request smuggling due to control characters in the chunk-size line — Red Hat AMQ Broker 7 CWE-1035 6.5 Medium 2026-09-18
CVE-2026-10832 Org.wildfly.security/wildfly-elytron-asn1: unbounded memory allocation in wildfly elytron asn.1 derdecoder via crafted der payload — Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 CWE-770 5.9 Medium 2026-09-18
CVE-2026-93565 Io.netty/netty-codec-http: netty rtspdecoder method-token smuggling via trailing control byte — Red Hat AMQ Broker 7 CWE-1035 7.5 High 2026-09-18
CVE-2026-93653 Poppler: poppler: unbounded cpu loop in splashoutputdev::tilingpatternfill via unvalidated tiling-pattern repeat count (denial of service) — Red Hat Enterprise Linux 10 CWE-606 5.5 Medium 2026-09-18
CVE-2026-93564 Io.netty/netty-codec-haproxy: netty: haproxy proxy-v2 nested-tlv grandchild bytebuf reference-count leak (incomplete fix of pr #16881) — Red Hat AMQ Broker 7 CWE-1035 7.5 High 2026-09-18
CVE-2026-93558 Io.netty/netty-codec-http: netty: unbounded per-connection queue growth in websocketserverextensionhandler leads to denial of service — Red Hat AMQ Broker 7 CWE-1035 7.5 High 2026-09-18
CVE-2026-93560 Io.netty/netty-codec-stomp: netty: stomp codec content-length long-to-int truncation causes infinite decode loop dos — Red Hat build of Apache Camel for Spring Boot 4 CWE-1035 7.5 High 2026-09-18
CVE-2026-93492 Io.netty/netty-codec-http2: netty: http/2 hpackencoder dos with large table size — Red Hat AMQ Broker 7 CWE-1035 5.3 Medium 2026-09-18
CVE-2026-93491 Io.netty/netty-codec-http: netty: denial of service via unbounded httpservercodec http/1.1 pipeline queue — Red Hat AMQ Broker 7 CWE-770 7.5 High 2026-09-18
CVE-2026-93488 Io.netty/netty-codec-http: netty: denial of service via unbounded concurrent spdy streams — Red Hat AMQ Broker 7 CWE-770 7.5 High 2026-09-18
CVE-2026-93563 Io.netty/netty-codec-smtp: netty: unbounded multi-line response accumulation in smtpresponsedecoder leads to memory-exhaustion dos — Red Hat build of Apache Camel for Spring Boot 4 CWE-1035 7.5 High 2026-09-18
CVE-2026-81627 Qemu-kvm: vapic writable rom alias can escape the option-rom window and expose locked smram — Red Hat Enterprise Linux 10 CWE-787 8.2 High 2026-09-18
CVE-2026-93578 Io.netty/netty-handler-ssl-ocsp: netty: missing extended key usage (eku) check in ocsp client allows certificate revocation bypass — Red Hat build of Apache Camel for Spring Boot 4 CWE-1035 5.9 Medium 2026-09-18
CVE-2026-93572 Io.netty/netty-codec-redis: netty: redisarrayaggregator nested resp headers multiply patched preallocation limits — Red Hat build of Apache Camel for Spring Boot 4 CWE-770 7.5 High 2026-09-18
CVE-2026-93575 Io.netty/netty-codec-mqtt: netty: resource exhaustion in mqttdecoder — Red Hat AMQ Broker 7 CWE-1035 7.5 High 2026-09-18
CVE-2026-93561 Io.netty/netty-codec-memcache: netty: memcache binary codec signed/unsigned type mismatch causes frame desynchronization and response smuggling — Red Hat build of Apache Camel for Spring Boot 4 CWE-1035 6.5 Medium 2026-09-18
CVE-2026-87743 Quarkus-vertx-http: authorization bypass via path normalization discrepancy in quarkus http security — Exploit Intelligence CWE-551 7.5 High 2026-09-18

This page lists every published CVE security advisory associated with Red Hat. Each entry links to a detailed page with CVSS scoring, CWE classification, affected products and references. AI-generated Chinese analysis is provided for fast triage.