CVE-2021-23017

A security issue in nginx resolver was identified, which might allow an attacker who is able to forge UDP packets from the DNS server to cause 1-byte memory overwrite, resulting in worker process crash or potential other impact.

References

Affected packages

Git / github.com/nginx/nginx

Affected ranges

Type

GIT

Repo

https://github.com/nginx/nginx

Events

Introduced

cb1cdc7426ba5470197f1a1ca5e8fe485223e558

Fixed

98a892514206ee63d418d9f355c92b6d4ce6113a

Database specific

{
    "versions": [
        {
            "introduced": "0.6.18"
        },
        {
            "fixed": "1.20.1"
        }
    ]
}

Type

GIT

Repo

https://github.com/openresty/openresty

Events

Introduced

Fixed

a1017ea9856315486e24f8712d7b20dfd5312ceb

Database specific

{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "fixed": "1.19.3.2"
        }
    ]
}

Affected versions

release-0.*

release-0.6.18

release-0.6.19

release-0.6.20

release-0.6.21

release-0.6.22

release-0.6.23

release-0.6.24

release-0.6.25

release-0.6.26

release-0.6.27

release-0.6.28

release-0.6.29

release-0.6.30

release-0.6.31

release-0.7.0

release-0.7.1

release-0.7.10

release-0.7.11

release-0.7.12

release-0.7.13

release-0.7.14

release-0.7.15

release-0.7.16

release-0.7.17

release-0.7.18

release-0.7.19

release-0.7.2

release-0.7.20

release-0.7.21

release-0.7.22

release-0.7.23

release-0.7.24

release-0.7.25

release-0.7.26

release-0.7.27

release-0.7.28

release-0.7.29

release-0.7.3

release-0.7.30

release-0.7.31

release-0.7.32

release-0.7.33

release-0.7.34

release-0.7.35

release-0.7.36

release-0.7.37

release-0.7.38

release-0.7.39

release-0.7.4

release-0.7.40

release-0.7.41

release-0.7.42

release-0.7.43

release-0.7.44

release-0.7.45

release-0.7.46

release-0.7.47

release-0.7.48

release-0.7.49

release-0.7.5

release-0.7.50

release-0.7.51

release-0.7.52

release-0.7.53

release-0.7.54

release-0.7.55

release-0.7.56

release-0.7.57

release-0.7.58

release-0.7.59

release-0.7.6

release-0.7.7

release-0.7.8

release-0.7.9

release-0.8.0

release-0.8.1

release-0.8.10

release-0.8.11

release-0.8.12

release-0.8.13

release-0.8.14

release-0.8.15

release-0.8.16

release-0.8.17

release-0.8.18

release-0.8.19

release-0.8.2

release-0.8.20

release-0.8.21

release-0.8.22

release-0.8.23

release-0.8.24

release-0.8.25

release-0.8.26

release-0.8.27

release-0.8.28

release-0.8.29

release-0.8.3

release-0.8.30

release-0.8.31

release-0.8.32

release-0.8.33

release-0.8.34

release-0.8.35

release-0.8.36

release-0.8.37

release-0.8.38

release-0.8.39

release-0.8.4

release-0.8.40

release-0.8.41

release-0.8.42

release-0.8.43

release-0.8.44

release-0.8.45

release-0.8.46

release-0.8.47

release-0.8.48

release-0.8.49

release-0.8.5

release-0.8.50

release-0.8.51

release-0.8.52

release-0.8.53

release-0.8.6

release-0.8.7

release-0.8.8

release-0.8.9

release-0.9.0

release-0.9.1

release-0.9.2

release-0.9.3

release-0.9.4

release-0.9.5

release-0.9.6

release-0.9.7

release-1.*

release-1.0.0

release-1.0.1

release-1.0.2

release-1.0.3

release-1.0.4

release-1.0.5

release-1.1.0

release-1.1.1

release-1.1.10

release-1.1.11

release-1.1.12

release-1.1.13

release-1.1.14

release-1.1.15

release-1.1.16

release-1.1.17

release-1.1.18

release-1.1.19

release-1.1.2

release-1.1.3

release-1.1.4

release-1.1.5

release-1.1.6

release-1.1.7

release-1.1.8

release-1.1.9

release-1.11.0

release-1.11.1

release-1.11.10

release-1.11.11

release-1.11.12

release-1.11.13

release-1.11.2

release-1.11.3

release-1.11.4

release-1.11.5

release-1.11.6

release-1.11.7

release-1.11.8

release-1.11.9

release-1.13.0

release-1.13.1

release-1.13.10

release-1.13.11

release-1.13.12

release-1.13.2

release-1.13.3

release-1.13.4

release-1.13.5

release-1.13.6

release-1.13.7

release-1.13.8

release-1.13.9

release-1.15.0

release-1.15.1

release-1.15.10

release-1.15.11

release-1.15.12

release-1.15.2

release-1.15.3

release-1.15.4

release-1.15.5

release-1.15.6

release-1.15.7

release-1.15.8

release-1.15.9

release-1.17.0

release-1.17.1

release-1.17.10

release-1.17.2

release-1.17.3

release-1.17.4

release-1.17.5

release-1.17.6

release-1.17.7

release-1.17.8

release-1.17.9

release-1.19.0

release-1.19.1

release-1.19.10

release-1.19.2

release-1.19.3

release-1.19.4

release-1.19.5

release-1.19.6

release-1.19.7

release-1.19.8

release-1.19.9

release-1.2.0

release-1.20.0

release-1.3.0

release-1.3.1

release-1.3.10

release-1.3.11

release-1.3.12

release-1.3.13

release-1.3.14

release-1.3.15

release-1.3.16

release-1.3.2

release-1.3.3

release-1.3.4

release-1.3.5

release-1.3.6

release-1.3.7

release-1.3.8

release-1.3.9

release-1.4.0

release-1.5.0

release-1.5.1

release-1.5.10

release-1.5.11

release-1.5.12

release-1.5.13

release-1.5.2

release-1.5.3

release-1.5.4

release-1.5.5

release-1.5.6

release-1.5.7

release-1.5.8

release-1.5.9

release-1.7.0

release-1.7.1

release-1.7.10

release-1.7.11

release-1.7.12

release-1.7.2

release-1.7.3

release-1.7.4

release-1.7.5

release-1.7.6

release-1.7.7

release-1.7.8

release-1.7.9

release-1.9.0

release-1.9.1

release-1.9.10

release-1.9.11

release-1.9.12

release-1.9.13

release-1.9.14

release-1.9.15

release-1.9.2

release-1.9.3

release-1.9.4

release-1.9.5

release-1.9.6

release-1.9.7

release-1.9.8

release-1.9.9

v0.*

v0.8.54.3

v0.8.54.4

v0.8.54.5

v0.8.54.6

v0.8.54.8

v0.8.54.9

v1.*

v1.0.10.1

v1.0.10.11

v1.0.10.13

v1.0.10.15

v1.0.10.17

v1.0.10.19

v1.0.10.21

v1.0.10.23

v1.0.10.24

v1.0.10.25

v1.0.10.27

v1.0.10.29

v1.0.10.3

v1.0.10.31

v1.0.10.33

v1.0.10.35

v1.0.10.41

v1.0.10.43

v1.0.10.44

v1.0.10.45

v1.0.10.47

v1.0.10.48

v1.0.10.5

v1.0.10.7

v1.0.10.9

v1.0.11.11

v1.0.11.15

v1.0.11.17

v1.0.11.19

v1.0.11.21

v1.0.11.23

v1.0.11.25

v1.0.11.27

v1.0.11.28

v1.0.11.3

v1.0.11.7

v1.0.11.9

v1.0.15.1

v1.0.15.10

v1.0.15.11

v1.0.15.3

v1.0.15.5

v1.0.15.7

v1.0.15.9

v1.0.4.0

v1.0.4.1

v1.0.4.2

v1.0.5.0

v1.0.5.1

v1.0.6.22

v1.0.6.3

v1.0.6.5

v1.0.8.1

v1.0.8.11

v1.0.8.13

v1.0.8.15

v1.0.8.17

v1.0.8.19

v1.0.8.21

v1.0.8.26

v1.0.8.3

v1.0.8.5

v1.0.8.7

v1.0.8.9

v1.0.9.1

v1.0.9.10

v1.0.9.3

v1.0.9.5

v1.0.9.7

v1.0.9.9

v1.11.2.1

v1.11.2.2

v1.11.2.3

v1.11.2.4

v1.11.2.5

v1.13.6.1

v1.13.6.2

v1.15.8.1

v1.15.8.1rc1

v1.15.8.1rc2

v1.17.8.1

v1.17.8.1rc1

v1.17.8.2

v1.19.3.1

v1.19.3.1rc0

v1.19.3.1rc1

v1.2.1.1

v1.2.1.11

v1.2.1.13

v1.2.1.14

v1.2.1.3

v1.2.1.5

v1.2.1.7

v1.2.1.9

v1.2.3.1

v1.2.3.3

v1.2.3.5

v1.2.3.7

v1.2.3.8

v1.2.4.1

v1.2.4.11

v1.2.4.13

v1.2.4.14

v1.2.4.3

v1.2.4.5

v1.2.4.7

v1.2.4.9

v1.2.6.1

v1.2.6.3

v1.2.6.5

v1.2.6.6

v1.2.7.1

v1.2.7.3

v1.2.7.5

v1.2.7.6

v1.2.8.1

v1.2.8.3

v1.2.8.5

v1.2.8.6

v1.4.1.1

v1.4.1.3

v1.4.2.1

v1.4.2.3

v1.4.2.5

v1.4.2.7

v1.4.2.8

v1.4.2.9

v1.4.3.1

v1.4.3.3

v1.4.3.4

v1.4.3.6

v1.4.3.7

v1.4.3.9

v1.5.11.1

v1.5.12.1

v1.5.8.1

v1.7.0.1

v1.7.10.1

v1.7.10.2

v1.7.2.1

v1.7.4.1

v1.7.7.1

v1.7.7.2

v1.9.15.1

v1.9.3.1

v1.9.3.1rc1

v1.9.3.2

v1.9.7.1

v1.9.7.2

v1.9.7.3

v1.9.7.4

v1.9.7.5

Database specific

unresolved_ranges

[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "33"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "34"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "fixed": "21.1.2"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "3.4"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "4.2"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "4.3"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "4.4"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "3.4"
            },
            {
                "last_affected": "4.4"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "3.4"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "4.2"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "4.3"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "4.4"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "8.4"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "9.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "3.3.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "8.4"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "9.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "3.4"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "4.2"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "4.3"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "4.4"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "fixed": "21.4.0.0.0"
            }
        ]
    }
]

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-23017.json"