All errata/p9/ALT-PU-2021-2047-2
ALT-PU-2021-2047-2

Package update nginx in branch p9

Version1.20.1-alt1
Task#274712
Published2026-02-04
Max severityHIGH
Severity:

Closed issues (2)

BDU:2021-02749
HIGH7.7

Уязвимость функции ngx_resolver_copy() сервера nginx, позволяющая нарушителю выполнить произвольный код или вызвать отказ в обслуживании

Published: 2021-06-01Modified: 2024-09-16
CVSS 3.xHIGH 7.7
CVSS:3.x/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
CVSS 2.0HIGH 7.3
CVSS:2.0/AV:N/AC:H/Au:N/C:C/I:C/A:P
References
CVE-2021-23017
HIGH7.7

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.

Published: 2021-06-01Modified: 2024-11-21
CVSS 2.0MEDIUM 6.8
CVSS:2.0/AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSS 3.xHIGH 7.7
CVSS:3.x/CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
References