CVE-2026-47843

EUVD-2026-66678
In specific scenarios involving multiple clients with different DNS resolver configurations, Reactor Netty may incorrectly reuse a previously configured DNS resolver.
Reactor Netty 1.3.0 - 1.3.6
Reactor Netty 1.1.0 - 1.2.18
Reactor Netty 1.0.52 and earlier
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
3.7 LOW
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 15.84%
Affected Products (NVD)
VendorProductVersion
broadcomreactor_netty
𝑥
< 1.0.53
broadcomreactor_netty
1.1.0 ≤
𝑥
< 1.2.19
broadcomreactor_netty
1.3.0 ≤
𝑥
< 1.3.6.1
𝑥
= Vulnerable software versions
References
https://spring.io/security/cve-2026-47843