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redhatRedHatRHSA-2021:2259
HistoryJun 07, 2021 - 10:02 a.m.

(RHSA-2021:2259) Important: nginx:1.18 security update

2021-06-0710:02:53
access.redhat.com
50

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

7.7 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

LOW

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L

0.437 Medium

EPSS

Percentile

97.4%

JSON

nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage.

Security Fix(es):

  • nginx: Off-by-one in ngx_resolver_copy() when labels are followed by a pointer to a root domain name (CVE-2021-23017)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

OSVersionArchitecturePackageVersionFilename
RedHatanyaarch64nginx-mod-http-image-filter-debuginfo< 1.18.0-3.module+el8.4.0+11152+f736ed63.1nginx-mod-http-image-filter-debuginfo-1.18.0-3.module+el8.4.0+11152+f736ed63.1.aarch64.rpm
RedHatanys390xnginx< 1.18.0-3.module+el8.4.0+11152+f736ed63.1nginx-1.18.0-3.module+el8.4.0+11152+f736ed63.1.s390x.rpm
RedHatanyx86_64nginx-mod-mail-debuginfo< 1.18.0-3.module+el8.4.0+11152+f736ed63.1nginx-mod-mail-debuginfo-1.18.0-3.module+el8.4.0+11152+f736ed63.1.x86_64.rpm
RedHatanys390xnginx-mod-stream-debuginfo< 1.18.0-3.module+el8.4.0+11152+f736ed63.1nginx-mod-stream-debuginfo-1.18.0-3.module+el8.4.0+11152+f736ed63.1.s390x.rpm
RedHatanys390xnginx-mod-http-xslt-filter< 1.18.0-3.module+el8.4.0+11152+f736ed63.1nginx-mod-http-xslt-filter-1.18.0-3.module+el8.4.0+11152+f736ed63.1.s390x.rpm
RedHatanyppc64lenginx-mod-mail-debuginfo< 1.18.0-3.module+el8.4.0+11152+f736ed63.1nginx-mod-mail-debuginfo-1.18.0-3.module+el8.4.0+11152+f736ed63.1.ppc64le.rpm
RedHatanyaarch64nginx-mod-mail-debuginfo< 1.18.0-3.module+el8.4.0+11152+f736ed63.1nginx-mod-mail-debuginfo-1.18.0-3.module+el8.4.0+11152+f736ed63.1.aarch64.rpm
RedHatanyaarch64nginx-mod-http-perl< 1.18.0-3.module+el8.4.0+11152+f736ed63.1nginx-mod-http-perl-1.18.0-3.module+el8.4.0+11152+f736ed63.1.aarch64.rpm
RedHatanyx86_64nginx-debugsource< 1.18.0-3.module+el8.4.0+11152+f736ed63.1nginx-debugsource-1.18.0-3.module+el8.4.0+11152+f736ed63.1.x86_64.rpm
RedHatanyppc64lenginx-mod-http-perl-debuginfo< 1.18.0-3.module+el8.4.0+11152+f736ed63.1nginx-mod-http-perl-debuginfo-1.18.0-3.module+el8.4.0+11152+f736ed63.1.ppc64le.rpm
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6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

7.7 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

LOW

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L

0.437 Medium

EPSS

Percentile

97.4%

JSON
Related for RHSA-2021:2259
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