CVEDB API

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-47843

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

Exploit prediction scoring system (EPSS) score

EPSS Score 0.002

EPSS Ranking 6.1%

CVSS Severity

CVSS v3 Score 3.7

References

https://spring.io/security/cve-2026-47843

Products affected by CVE-2026-47843

Broadcom » Reactor Netty » Version: 0.5.1

cpe:2.3:a:broadcom:reactor_netty:0.5.1
Broadcom » Reactor Netty » Version: 0.5.2

cpe:2.3:a:broadcom:reactor_netty:0.5.2
Broadcom » Reactor Netty » Version: 0.6.0

cpe:2.3:a:broadcom:reactor_netty:0.6.0
Broadcom » Reactor Netty » Version: 0.6.1

cpe:2.3:a:broadcom:reactor_netty:0.6.1
Broadcom » Reactor Netty » Version: 0.6.2

cpe:2.3:a:broadcom:reactor_netty:0.6.2
Broadcom » Reactor Netty » Version: 0.6.3

cpe:2.3:a:broadcom:reactor_netty:0.6.3
Broadcom » Reactor Netty » Version: 0.6.4

cpe:2.3:a:broadcom:reactor_netty:0.6.4
Broadcom » Reactor Netty » Version: 0.6.5

cpe:2.3:a:broadcom:reactor_netty:0.6.5
Broadcom » Reactor Netty » Version: 0.6.6

cpe:2.3:a:broadcom:reactor_netty:0.6.6
Broadcom » Reactor Netty » Version: 0.7.0

cpe:2.3:a:broadcom:reactor_netty:0.7.0
Broadcom » Reactor Netty » Version: 0.7.1

cpe:2.3:a:broadcom:reactor_netty:0.7.1
Broadcom » Reactor Netty » Version: 0.7.10

cpe:2.3:a:broadcom:reactor_netty:0.7.10
Broadcom » Reactor Netty » Version: 0.7.11

cpe:2.3:a:broadcom:reactor_netty:0.7.11
Broadcom » Reactor Netty » Version: 0.7.12

cpe:2.3:a:broadcom:reactor_netty:0.7.12
Broadcom » Reactor Netty » Version: 0.7.13

cpe:2.3:a:broadcom:reactor_netty:0.7.13
Broadcom » Reactor Netty » Version: 0.7.14

cpe:2.3:a:broadcom:reactor_netty:0.7.14
Broadcom » Reactor Netty » Version: 0.7.15

cpe:2.3:a:broadcom:reactor_netty:0.7.15
Broadcom » Reactor Netty » Version: 0.7.2

cpe:2.3:a:broadcom:reactor_netty:0.7.2
Broadcom » Reactor Netty » Version: 0.7.3

cpe:2.3:a:broadcom:reactor_netty:0.7.3
Broadcom » Reactor Netty » Version: 0.7.4

cpe:2.3:a:broadcom:reactor_netty:0.7.4
Broadcom » Reactor Netty » Version: 0.7.5

cpe:2.3:a:broadcom:reactor_netty:0.7.5
Broadcom » Reactor Netty » Version: 0.7.6

cpe:2.3:a:broadcom:reactor_netty:0.7.6
Broadcom » Reactor Netty » Version: 0.7.7

cpe:2.3:a:broadcom:reactor_netty:0.7.7
Broadcom » Reactor Netty » Version: 0.7.8

cpe:2.3:a:broadcom:reactor_netty:0.7.8
Broadcom » Reactor Netty » Version: 0.7.9

cpe:2.3:a:broadcom:reactor_netty:0.7.9
Broadcom » Reactor Netty » Version: 0.8.0

cpe:2.3:a:broadcom:reactor_netty:0.8.0
Broadcom » Reactor Netty » Version: 0.8.1

cpe:2.3:a:broadcom:reactor_netty:0.8.1
Broadcom » Reactor Netty » Version: 0.8.10

cpe:2.3:a:broadcom:reactor_netty:0.8.10
Broadcom » Reactor Netty » Version: 0.8.11

cpe:2.3:a:broadcom:reactor_netty:0.8.11
Broadcom » Reactor Netty » Version: 0.8.12

cpe:2.3:a:broadcom:reactor_netty:0.8.12
Broadcom » Reactor Netty » Version: 0.8.13

cpe:2.3:a:broadcom:reactor_netty:0.8.13
Broadcom » Reactor Netty » Version: 0.8.14

cpe:2.3:a:broadcom:reactor_netty:0.8.14
Broadcom » Reactor Netty » Version: 0.8.15

cpe:2.3:a:broadcom:reactor_netty:0.8.15
Broadcom » Reactor Netty » Version: 0.8.16

cpe:2.3:a:broadcom:reactor_netty:0.8.16
Broadcom » Reactor Netty » Version: 0.8.2

cpe:2.3:a:broadcom:reactor_netty:0.8.2
Broadcom » Reactor Netty » Version: 0.8.3

cpe:2.3:a:broadcom:reactor_netty:0.8.3
Broadcom » Reactor Netty » Version: 0.8.4

cpe:2.3:a:broadcom:reactor_netty:0.8.4
Broadcom » Reactor Netty » Version: 0.8.5

cpe:2.3:a:broadcom:reactor_netty:0.8.5
Broadcom » Reactor Netty » Version: 0.8.6

cpe:2.3:a:broadcom:reactor_netty:0.8.6
Broadcom » Reactor Netty » Version: 0.8.7

cpe:2.3:a:broadcom:reactor_netty:0.8.7
Broadcom » Reactor Netty » Version: 0.8.8

cpe:2.3:a:broadcom:reactor_netty:0.8.8
Broadcom » Reactor Netty » Version: 0.8.9

cpe:2.3:a:broadcom:reactor_netty:0.8.9
Broadcom » Reactor Netty » Version: 0.9.0

cpe:2.3:a:broadcom:reactor_netty:0.9.0
Broadcom » Reactor Netty » Version: 0.9.1

cpe:2.3:a:broadcom:reactor_netty:0.9.1
Broadcom » Reactor Netty » Version: 0.9.10

cpe:2.3:a:broadcom:reactor_netty:0.9.10
Broadcom » Reactor Netty » Version: 0.9.11

cpe:2.3:a:broadcom:reactor_netty:0.9.11
Broadcom » Reactor Netty » Version: 0.9.12

cpe:2.3:a:broadcom:reactor_netty:0.9.12
Broadcom » Reactor Netty » Version: 0.9.13

cpe:2.3:a:broadcom:reactor_netty:0.9.13
Broadcom » Reactor Netty » Version: 0.9.14

cpe:2.3:a:broadcom:reactor_netty:0.9.14
Broadcom » Reactor Netty » Version: 0.9.15

cpe:2.3:a:broadcom:reactor_netty:0.9.15
Broadcom » Reactor Netty » Version: 0.9.16

cpe:2.3:a:broadcom:reactor_netty:0.9.16
Broadcom » Reactor Netty » Version: 0.9.17

cpe:2.3:a:broadcom:reactor_netty:0.9.17
Broadcom » Reactor Netty » Version: 0.9.18

cpe:2.3:a:broadcom:reactor_netty:0.9.18
Broadcom » Reactor Netty » Version: 0.9.19

cpe:2.3:a:broadcom:reactor_netty:0.9.19
Broadcom » Reactor Netty » Version: 0.9.2

cpe:2.3:a:broadcom:reactor_netty:0.9.2
Broadcom » Reactor Netty » Version: 0.9.20

cpe:2.3:a:broadcom:reactor_netty:0.9.20
Broadcom » Reactor Netty » Version: 0.9.21

cpe:2.3:a:broadcom:reactor_netty:0.9.21
Broadcom » Reactor Netty » Version: 0.9.22

cpe:2.3:a:broadcom:reactor_netty:0.9.22
Broadcom » Reactor Netty » Version: 0.9.23

cpe:2.3:a:broadcom:reactor_netty:0.9.23
Broadcom » Reactor Netty » Version: 0.9.24

cpe:2.3:a:broadcom:reactor_netty:0.9.24
Broadcom » Reactor Netty » Version: 0.9.25

cpe:2.3:a:broadcom:reactor_netty:0.9.25
Broadcom » Reactor Netty » Version: 0.9.3

cpe:2.3:a:broadcom:reactor_netty:0.9.3
Broadcom » Reactor Netty » Version: 0.9.4

cpe:2.3:a:broadcom:reactor_netty:0.9.4
Broadcom » Reactor Netty » Version: 0.9.5

cpe:2.3:a:broadcom:reactor_netty:0.9.5
Broadcom » Reactor Netty » Version: 0.9.6

cpe:2.3:a:broadcom:reactor_netty:0.9.6
Broadcom » Reactor Netty » Version: 0.9.7

cpe:2.3:a:broadcom:reactor_netty:0.9.7
Broadcom » Reactor Netty » Version: 0.9.8

cpe:2.3:a:broadcom:reactor_netty:0.9.8
Broadcom » Reactor Netty » Version: 0.9.9

cpe:2.3:a:broadcom:reactor_netty:0.9.9
Broadcom » Reactor Netty » Version: 1.0.0

cpe:2.3:a:broadcom:reactor_netty:1.0.0
Broadcom » Reactor Netty » Version: 1.0.1

cpe:2.3:a:broadcom:reactor_netty:1.0.1
Broadcom » Reactor Netty » Version: 1.0.10

cpe:2.3:a:broadcom:reactor_netty:1.0.10
Broadcom » Reactor Netty » Version: 1.0.11

cpe:2.3:a:broadcom:reactor_netty:1.0.11
Broadcom » Reactor Netty » Version: 1.0.12

cpe:2.3:a:broadcom:reactor_netty:1.0.12
Broadcom » Reactor Netty » Version: 1.0.13

cpe:2.3:a:broadcom:reactor_netty:1.0.13
Broadcom » Reactor Netty » Version: 1.0.14

cpe:2.3:a:broadcom:reactor_netty:1.0.14
Broadcom » Reactor Netty » Version: 1.0.15

cpe:2.3:a:broadcom:reactor_netty:1.0.15
Broadcom » Reactor Netty » Version: 1.0.16

cpe:2.3:a:broadcom:reactor_netty:1.0.16
Broadcom » Reactor Netty » Version: 1.0.17

cpe:2.3:a:broadcom:reactor_netty:1.0.17
Broadcom » Reactor Netty » Version: 1.0.18

cpe:2.3:a:broadcom:reactor_netty:1.0.18
Broadcom » Reactor Netty » Version: 1.0.19

cpe:2.3:a:broadcom:reactor_netty:1.0.19
Broadcom » Reactor Netty » Version: 1.0.2

cpe:2.3:a:broadcom:reactor_netty:1.0.2
Broadcom » Reactor Netty » Version: 1.0.20

cpe:2.3:a:broadcom:reactor_netty:1.0.20
Broadcom » Reactor Netty » Version: 1.0.21

cpe:2.3:a:broadcom:reactor_netty:1.0.21
Broadcom » Reactor Netty » Version: 1.0.22

cpe:2.3:a:broadcom:reactor_netty:1.0.22
Broadcom » Reactor Netty » Version: 1.0.23

cpe:2.3:a:broadcom:reactor_netty:1.0.23
Broadcom » Reactor Netty » Version: 1.0.24

cpe:2.3:a:broadcom:reactor_netty:1.0.24
Broadcom » Reactor Netty » Version: 1.0.25

cpe:2.3:a:broadcom:reactor_netty:1.0.25
Broadcom » Reactor Netty » Version: 1.0.26

cpe:2.3:a:broadcom:reactor_netty:1.0.26
Broadcom » Reactor Netty » Version: 1.0.27

cpe:2.3:a:broadcom:reactor_netty:1.0.27
Broadcom » Reactor Netty » Version: 1.0.28

cpe:2.3:a:broadcom:reactor_netty:1.0.28
Broadcom » Reactor Netty » Version: 1.0.29

cpe:2.3:a:broadcom:reactor_netty:1.0.29
Broadcom » Reactor Netty » Version: 1.0.3

cpe:2.3:a:broadcom:reactor_netty:1.0.3
Broadcom » Reactor Netty » Version: 1.0.30

cpe:2.3:a:broadcom:reactor_netty:1.0.30
Broadcom » Reactor Netty » Version: 1.0.31

cpe:2.3:a:broadcom:reactor_netty:1.0.31
Broadcom » Reactor Netty » Version: 1.0.32

cpe:2.3:a:broadcom:reactor_netty:1.0.32
Broadcom » Reactor Netty » Version: 1.0.33

cpe:2.3:a:broadcom:reactor_netty:1.0.33
Broadcom » Reactor Netty » Version: 1.0.34

cpe:2.3:a:broadcom:reactor_netty:1.0.34
Broadcom » Reactor Netty » Version: 1.0.35

cpe:2.3:a:broadcom:reactor_netty:1.0.35
Broadcom » Reactor Netty » Version: 1.0.36

cpe:2.3:a:broadcom:reactor_netty:1.0.36
Broadcom » Reactor Netty » Version: 1.0.37

cpe:2.3:a:broadcom:reactor_netty:1.0.37
Broadcom » Reactor Netty » Version: 1.0.38

cpe:2.3:a:broadcom:reactor_netty:1.0.38
Broadcom » Reactor Netty » Version: 1.0.39

cpe:2.3:a:broadcom:reactor_netty:1.0.39
Broadcom » Reactor Netty » Version: 1.0.4

cpe:2.3:a:broadcom:reactor_netty:1.0.4
Broadcom » Reactor Netty » Version: 1.0.40

cpe:2.3:a:broadcom:reactor_netty:1.0.40
Broadcom » Reactor Netty » Version: 1.0.41

cpe:2.3:a:broadcom:reactor_netty:1.0.41
Broadcom » Reactor Netty » Version: 1.0.42

cpe:2.3:a:broadcom:reactor_netty:1.0.42
Broadcom » Reactor Netty » Version: 1.0.43

cpe:2.3:a:broadcom:reactor_netty:1.0.43
Broadcom » Reactor Netty » Version: 1.0.44

cpe:2.3:a:broadcom:reactor_netty:1.0.44
Broadcom » Reactor Netty » Version: 1.0.45

cpe:2.3:a:broadcom:reactor_netty:1.0.45
Broadcom » Reactor Netty » Version: 1.0.46

cpe:2.3:a:broadcom:reactor_netty:1.0.46
Broadcom » Reactor Netty » Version: 1.0.47

cpe:2.3:a:broadcom:reactor_netty:1.0.47
Broadcom » Reactor Netty » Version: 1.0.48

cpe:2.3:a:broadcom:reactor_netty:1.0.48
Broadcom » Reactor Netty » Version: 1.0.49

cpe:2.3:a:broadcom:reactor_netty:1.0.49
Broadcom » Reactor Netty » Version: 1.0.5

cpe:2.3:a:broadcom:reactor_netty:1.0.5
Broadcom » Reactor Netty » Version: 1.0.50

cpe:2.3:a:broadcom:reactor_netty:1.0.50
Broadcom » Reactor Netty » Version: 1.0.51

cpe:2.3:a:broadcom:reactor_netty:1.0.51
Broadcom » Reactor Netty » Version: 1.0.52

cpe:2.3:a:broadcom:reactor_netty:1.0.52
Broadcom » Reactor Netty » Version: 1.0.6

cpe:2.3:a:broadcom:reactor_netty:1.0.6
Broadcom » Reactor Netty » Version: 1.0.7

cpe:2.3:a:broadcom:reactor_netty:1.0.7
Broadcom » Reactor Netty » Version: 1.0.8

cpe:2.3:a:broadcom:reactor_netty:1.0.8
Broadcom » Reactor Netty » Version: 1.0.9

cpe:2.3:a:broadcom:reactor_netty:1.0.9
Broadcom » Reactor Netty » Version: 1.1.0

cpe:2.3:a:broadcom:reactor_netty:1.1.0
Broadcom » Reactor Netty » Version: 1.1.1

cpe:2.3:a:broadcom:reactor_netty:1.1.1
Broadcom » Reactor Netty » Version: 1.1.10

cpe:2.3:a:broadcom:reactor_netty:1.1.10
Broadcom » Reactor Netty » Version: 1.1.12

cpe:2.3:a:broadcom:reactor_netty:1.1.12
Broadcom » Reactor Netty » Version: 1.1.13

cpe:2.3:a:broadcom:reactor_netty:1.1.13
Broadcom » Reactor Netty » Version: 1.1.14

cpe:2.3:a:broadcom:reactor_netty:1.1.14
Broadcom » Reactor Netty » Version: 1.1.15

cpe:2.3:a:broadcom:reactor_netty:1.1.15
Broadcom » Reactor Netty » Version: 1.1.16

cpe:2.3:a:broadcom:reactor_netty:1.1.16
Broadcom » Reactor Netty » Version: 1.1.17

cpe:2.3:a:broadcom:reactor_netty:1.1.17
Broadcom » Reactor Netty » Version: 1.1.18

cpe:2.3:a:broadcom:reactor_netty:1.1.18
Broadcom » Reactor Netty » Version: 1.1.19

cpe:2.3:a:broadcom:reactor_netty:1.1.19
Broadcom » Reactor Netty » Version: 1.1.2

cpe:2.3:a:broadcom:reactor_netty:1.1.2
Broadcom » Reactor Netty » Version: 1.1.20

cpe:2.3:a:broadcom:reactor_netty:1.1.20
Broadcom » Reactor Netty » Version: 1.1.21

cpe:2.3:a:broadcom:reactor_netty:1.1.21
Broadcom » Reactor Netty » Version: 1.1.22

cpe:2.3:a:broadcom:reactor_netty:1.1.22
Broadcom » Reactor Netty » Version: 1.1.23

cpe:2.3:a:broadcom:reactor_netty:1.1.23
Broadcom » Reactor Netty » Version: 1.1.24

cpe:2.3:a:broadcom:reactor_netty:1.1.24
Broadcom » Reactor Netty » Version: 1.1.25

cpe:2.3:a:broadcom:reactor_netty:1.1.25
Broadcom » Reactor Netty » Version: 1.1.26

cpe:2.3:a:broadcom:reactor_netty:1.1.26
Broadcom » Reactor Netty » Version: 1.1.27

cpe:2.3:a:broadcom:reactor_netty:1.1.27
Broadcom » Reactor Netty » Version: 1.1.28

cpe:2.3:a:broadcom:reactor_netty:1.1.28
Broadcom » Reactor Netty » Version: 1.1.29

cpe:2.3:a:broadcom:reactor_netty:1.1.29
Broadcom » Reactor Netty » Version: 1.1.3

cpe:2.3:a:broadcom:reactor_netty:1.1.3
Broadcom » Reactor Netty » Version: 1.1.30

cpe:2.3:a:broadcom:reactor_netty:1.1.30
Broadcom » Reactor Netty » Version: 1.1.31

cpe:2.3:a:broadcom:reactor_netty:1.1.31
Broadcom » Reactor Netty » Version: 1.1.4

cpe:2.3:a:broadcom:reactor_netty:1.1.4
Broadcom » Reactor Netty » Version: 1.1.5

cpe:2.3:a:broadcom:reactor_netty:1.1.5
Broadcom » Reactor Netty » Version: 1.1.6

cpe:2.3:a:broadcom:reactor_netty:1.1.6
Broadcom » Reactor Netty » Version: 1.1.7

cpe:2.3:a:broadcom:reactor_netty:1.1.7
Broadcom » Reactor Netty » Version: 1.1.8

cpe:2.3:a:broadcom:reactor_netty:1.1.8
Broadcom » Reactor Netty » Version: 1.1.9

cpe:2.3:a:broadcom:reactor_netty:1.1.9
Broadcom » Reactor Netty » Version: 1.2.0

cpe:2.3:a:broadcom:reactor_netty:1.2.0
Broadcom » Reactor Netty » Version: 1.2.1

cpe:2.3:a:broadcom:reactor_netty:1.2.1
Broadcom » Reactor Netty » Version: 1.2.10

cpe:2.3:a:broadcom:reactor_netty:1.2.10
Broadcom » Reactor Netty » Version: 1.2.11

cpe:2.3:a:broadcom:reactor_netty:1.2.11
Broadcom » Reactor Netty » Version: 1.2.12

cpe:2.3:a:broadcom:reactor_netty:1.2.12
Broadcom » Reactor Netty » Version: 1.2.13

cpe:2.3:a:broadcom:reactor_netty:1.2.13
Broadcom » Reactor Netty » Version: 1.2.14

cpe:2.3:a:broadcom:reactor_netty:1.2.14
Broadcom » Reactor Netty » Version: 1.2.15

cpe:2.3:a:broadcom:reactor_netty:1.2.15
Broadcom » Reactor Netty » Version: 1.2.16

cpe:2.3:a:broadcom:reactor_netty:1.2.16
Broadcom » Reactor Netty » Version: 1.2.17

cpe:2.3:a:broadcom:reactor_netty:1.2.17
Broadcom » Reactor Netty » Version: 1.2.17.1

cpe:2.3:a:broadcom:reactor_netty:1.2.17.1
Broadcom » Reactor Netty » Version: 1.2.18

cpe:2.3:a:broadcom:reactor_netty:1.2.18
Broadcom » Reactor Netty » Version: 1.2.2

cpe:2.3:a:broadcom:reactor_netty:1.2.2
Broadcom » Reactor Netty » Version: 1.2.3

cpe:2.3:a:broadcom:reactor_netty:1.2.3
Broadcom » Reactor Netty » Version: 1.2.4

cpe:2.3:a:broadcom:reactor_netty:1.2.4
Broadcom » Reactor Netty » Version: 1.2.5

cpe:2.3:a:broadcom:reactor_netty:1.2.5
Broadcom » Reactor Netty » Version: 1.2.6

cpe:2.3:a:broadcom:reactor_netty:1.2.6
Broadcom » Reactor Netty » Version: 1.2.7

cpe:2.3:a:broadcom:reactor_netty:1.2.7
Broadcom » Reactor Netty » Version: 1.2.8

cpe:2.3:a:broadcom:reactor_netty:1.2.8
Broadcom » Reactor Netty » Version: 1.2.9

cpe:2.3:a:broadcom:reactor_netty:1.2.9
Broadcom » Reactor Netty » Version: 1.3.0

cpe:2.3:a:broadcom:reactor_netty:1.3.0
Broadcom » Reactor Netty » Version: 1.3.1

cpe:2.3:a:broadcom:reactor_netty:1.3.1
Broadcom » Reactor Netty » Version: 1.3.2

cpe:2.3:a:broadcom:reactor_netty:1.3.2
Broadcom » Reactor Netty » Version: 1.3.3

cpe:2.3:a:broadcom:reactor_netty:1.3.3
Broadcom » Reactor Netty » Version: 1.3.4

cpe:2.3:a:broadcom:reactor_netty:1.3.4
Broadcom » Reactor Netty » Version: 1.3.5

cpe:2.3:a:broadcom:reactor_netty:1.3.5
Broadcom » Reactor Netty » Version: 1.3.5.1

cpe:2.3:a:broadcom:reactor_netty:1.3.5.1
Broadcom » Reactor Netty » Version: 1.3.6

cpe:2.3:a:broadcom:reactor_netty:1.3.6

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Vulnerability Details CVE-2026-47843

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