BIT-nginx-gateway-2021-23017

BIT-nginx-gateway-2021-23017 PUBLISHED CVSS 7.699999809265137 HIGH

Record from OSV · Published December 3, 2025

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.

Fixed versions

Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.

Package	Ecosystem	Fixed in
nginx-gateway	Bitnami	1.20.1

Risk scores

CVSS 3.1

7.699999809265137

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

Affected products

Vendor	Product	Versions
Bitnami	nginx-gateway	0.6.18

Timeline

Dec 3, 2025 CVE Published
Dec 3, 2025 CVE Updated

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln BIT-nginx-gateway-2021-23017
vulnetix vdb fixes BIT-nginx-gateway-2021-23017

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/BIT-nginx-gateway-2021-23017/fixes/registry"

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References

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