vulnerability
Nginx: 1-byte memory overwrite in resolver (CVE-2021-23017)
Severity | CVSS | Published | Added | Modified |
---|---|---|---|---|
7 | (AV:N/AC:M/Au:N/C:P/I:P/A:P) | 2021-05-31 | 2021-05-31 | 2023-02-16 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
2021-05-31
Added
2021-05-31
Modified
2023-02-16
Description
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.
Solution(s)
nginx-nginx-upgrade-1_20_1nginx-nginx-upgrade-1_21_0

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