PT-2026-82352 · Unknown · Reactor Core
CVE-2026-47857
·
Published
2026-08-26
·
Updated
2026-08-28
CVSS v3.1
5.9
Medium
| Vector | AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
Reactor Core versions 3.8.0 through 3.8.6
Reactor Core versions 3.5.0 through 3.7.19
Reactor Core versions 3.4.41 and earlier
Description
Applications using the
Flux.windowTimeout operator with fairBackpressure enabled are susceptible to a Denial of Service (DoS) condition. Fair backpressure is a mechanism used to manage the flow of data between a producer and a consumer to prevent the consumer from being overwhelmed.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
DoS
Integer Overflow
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Weakness Enumeration
Related Identifiers
Affected Products
Reactor Core