Encoding Error Affecting nginx package, versions <1.30.4-8


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.25% (15th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-NGINX-20941616
  • published15 Oct 2026
  • disclosed14 Oct 2026

Introduced: 14 Oct 2026

NewCVE-2026-95101  (opens in a new tab)
CWE-172  (opens in a new tab)

How to fix?

Upgrade Debian:unstable nginx to version 1.30.4-8 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream nginx package and not the nginx package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

Description NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_v3_module module. When using HTTP/3 with

proxy_request_buffering on directive, an unauthenticated attacker may be able to inject data in the proxied request.

Impact

This vulnerability may allow remote attackers to

inject data in the proxied request.  There is no control plane exposure; this is a data plane issue only.

Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS Base Scores

version 3.1