CVE-2026-47857

Reactor Core is affected by a Denial of Service condition in the Flux.windowTimeout operator when fairBackpressure is enabled. The root cause is a 20-bit index wrap-around that can cause the stream to hang, leading to an availability impact with no confidentiality or integrity loss. Affected vers...

cve-2026-47857 - MEDIUM - Reactor Core windowTimeout fair-backpressure stream hang due to 20-bit index wrap-around

cve-2026-47857 - MEDIUM - Reactor Core windowTimeout fair-backpressure stream hang due to 20-bit index wrap-around...

cve-2026-47863 - MEDIUM - Reactor Core bufferTimeout fair-backpressure pipeline permanently hangs when upstream delivers items during an active flush

cve-2026-47863 - MEDIUM - Reactor Core bufferTimeout fair-backpressure pipeline permanently hangs when upstream delivers items during an active flush...