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

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

https://cvefeed.io/rssfeed/latest.atom / Thu, 08/27/2026 - 07:28
CVE ID :CVE-2026-47857
Published : Aug. 27, 2026, 1:17 a.m. | 3 hours, 12 minutes ago
Description :In Reactor Core, applications that use the Flux.windowTimeout operator with fairBackpressure enabled are vulnerable to a Denial of Service (DoS) condition. Reactor Core 3.8.0 - 3.8.6 Reactor Core 3.5.0 - 3.7.19 Reactor Core 3.4.41 and earlier
Severity: 5.9 | MEDIUM
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