Red Hat vulnerabilities
2,566 CVEs and advisories name Red Hat as an affected vendor, 2 of them on CISA's Known Exploited Vulnerabilities catalog, newest first. Follow it as a feed.
- CVE-2026-75883Pppd: pppd: buffer overflow in peap response handling leads to data corruption or denial of service.
- CVE-2026-93685Multicluster-observability-addon: multicluster-observability-addon: possible unauthenticated debug/metrics endpoint via cmdfactory.newcontrollercommandconfig (confirmed exposed by engineering)
- CVE-2026-93573Io.netty/netty-codec-http: netty split transfer-encoding fields bypass final-chunked validation and enable request smuggling
- CVE-2026-93568Io.netty/netty-codec-http2: io.netty/netty-codec-http3: netty: http/2 and http/3 extended connect requests are downgraded as regular…
- CVE-2026-93576Io.netty/netty-codec-smtp: netty netty-codec-smtp — smtp command-name field is not crlf-validated (incomplete fix of cve-2025-59419)
- CVE-2026-85511Wildfly-elytron-realm-token: parameter injection in eap's elytron oauth2
- CVE-2026-93569Io.netty/netty-codec-http2: http/1 absolute-form host mismatch is translated to http/2 :authority, overriding the request-target authority
- CVE-2026-93567Io.netty/netty-codec-http2: http/1 authority-form connect is translated to malformed http/2 connect with host-controlled :authority
- CVE-2026-93676Xdg-dbus-proxy: xdg-dbus-proxy: filtering for broadcast messages bypasses path/interface/member checks
- CVE-2026-10832Org.wildfly.security/wildfly-elytron-asn1: unbounded memory allocation in wildfly elytron asn.1 derdecoder via crafted der payload
- CVE-2026-93566Io.netty/netty-codec-http: netty: http request smuggling due to control characters in the chunk-size line
- CVE-2026-93565Io.netty/netty-codec-http: netty rtspdecoder method-token smuggling via trailing control byte
- CVE-2026-93653Poppler: poppler: unbounded cpu loop in splashoutputdev::tilingpatternfill via unvalidated tiling-pattern repeat count (denial of service)
- CVE-2026-93564Io.netty/netty-codec-haproxy: netty: haproxy proxy-v2 nested-tlv grandchild bytebuf reference-count leak (incomplete fix of pr #16881)
- CVE-2026-93558Io.netty/netty-codec-http: netty: unbounded per-connection queue growth in websocketserverextensionhandler leads to denial of service
- CVE-2026-93560Io.netty/netty-codec-stomp: netty: stomp codec content-length long-to-int truncation causes infinite decode loop dos
- CVE-2026-93492Io.netty/netty-codec-http2: netty: http/2 hpackencoder dos with large table size
- CVE-2026-93491Io.netty/netty-codec-http: netty: denial of service via unbounded httpservercodec http/1.1 pipeline queue
- CVE-2026-93488Io.netty/netty-codec-http: netty: denial of service via unbounded concurrent spdy streams
- CVE-2026-93563Io.netty/netty-codec-smtp: netty: unbounded multi-line response accumulation in smtpresponsedecoder leads to memory-exhaustion dos
- CVE-2026-81627Qemu-kvm: vapic writable rom alias can escape the option-rom window and expose locked smram
- CVE-2026-93578Io.netty/netty-handler-ssl-ocsp: netty: missing extended key usage (eku) check in ocsp client allows certificate revocation bypass
- CVE-2026-93572Io.netty/netty-codec-redis: netty: redisarrayaggregator nested resp headers multiply patched preallocation limits
- CVE-2026-93575Io.netty/netty-codec-mqtt: netty: resource exhaustion in mqttdecoder
- CVE-2026-93561Io.netty/netty-codec-memcache: netty: memcache binary codec signed/unsigned type mismatch causes frame desynchronization and response smuggling
- CVE-2026-87743Quarkus-vertx-http: authorization bypass via path normalization discrepancy in quarkus http security
- CVE-2026-93493Io.netty/netty-handler-ssl-ocsp: netty: ocsp validation silently skipped when a response omits the optional nextupdate field
- CVE-2026-93494Io.netty/netty-codec-stomp: netty: bytebuf leak in stompsubframedecoder when a frame body is never terminated
- CVE-2026-89058Resteasy-core: resteasy: corsfilter reflects arbitrary origin with credentials under wildcard config
- CVE-2026-89059Resteasy-core: resteasy: iioimageprovider unbounded image decode (decompression-bomb dos)