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.

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-2670-1 nginx security update
Debian DSA Debian DSA DSA-4921-1 nginx security update
Ubuntu USN Ubuntu USN USN-4967-1 nginx vulnerability
Ubuntu USN Ubuntu USN USN-4967-2 nginx vulnerability
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Sun, 08 Sep 2024 18:30:00 +0000

Type Values Removed Values Added
CPEs cpe:/a:redhat:acm:2.2::el7
cpe:/a:redhat:acm:2.4::el8

Mon, 19 Aug 2024 22:15:00 +0000

Type Values Removed Values Added
CPEs cpe:/a:redhat:acm:2.2::el7
cpe:/a:redhat:acm:2.4::el8

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: f5

Published:

Updated: 2024-08-03T18:58:26.413Z

Reserved: 2021-01-06T00:00:00

Link: CVE-2021-23017

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-06-01T13:15:07.853

Modified: 2024-11-21T05:51:09.480

Link: CVE-2021-23017

cve-icon Redhat

Severity : Important

Publid Date: 2021-05-25T00:00:00Z

Links: CVE-2021-23017 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses