---
schema_version: '1.0'
id: security-20260705-3b2e20
url: https://osv.dev/vulnerability/DEBIAN-CVE-2026-42946
url_hash: 3b2e203c5005fe970ee79d527922150dfb063db4faf6b5178d2e259bff104437
canonical_url: https://osv.dev/vulnerability/DEBIAN-CVE-2026-42946
source: osv:debian
category: security/os
category_raw: cve/os
region: null
tags:
- cve
- DEBIAN-CVE-2026-42946
- severity:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H
- nginx
- Debian
lang: en
published_at: '2026-05-13T16:16:50Z'
fetched_at: '2026-07-05T15:34:33Z'
updated_at: '2026-07-05T15:35:24Z'
status: published
content_hash: c1b7d15786d3ed09f3e8b26862db7debcc08e3156c32ca7de9fc8af5c5cc8c64
license_note: full
summary: A vulnerability exists in the ngx_http_scgi_module and ngx_http_uwsgi_module modules
  that may result in excessive memory allocation or an over-read of data. When scgi_pass or
  uwsgi_pass is configured, an unauthenticated attacker with man-in-the-middle (MITM)
  ability to control re
summary_source: rss
summary_en: A vulnerability exists in the ngx_http_scgi_module and ngx_http_uwsgi_module modules
  that may result in excessive memory allocation or an over-read of data. When scgi_pass or
  uwsgi_pass is configured, an unauthenticated attacker with man-in-the-middle (MITM)
  ability to control re
entities: []
key_facts: []
related: []
related_auto: []
title: DEBIAN-CVE-2026-42946 — nginx
---

# DEBIAN-CVE-2026-42946 — nginx

## TL;DR
A vulnerability exists in the ngx_http_scgi_module and ngx_http_uwsgi_module modules that may result in excessive memory allocation or an over-read of data. When scgi_pass or uwsgi_pass is configured, an unauthenticated attacker with man-in-the-middle (MITM) ability to control re

## Key Points
- cve / DEBIAN-CVE-2026-42946 / severity:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H / nginx / Debian

## Details
**Severity:** CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H
**Advisory:** DEBIAN-CVE-2026-42946

**Affected (your watchlist):**
- `Debian:nginx` 1.22.1-9+deb12u1 → no fixed version listed [proxmox]

**Details:**
A vulnerability exists in the ngx_http_scgi_module and ngx_http_uwsgi_module modules that may result in excessive memory allocation or an over-read of data. When scgi_pass or uwsgi_pass is configured, an unauthenticated attacker with man-in-the-middle (MITM) ability to control responses from an upstream server may be able to read the memory of the NGINX worker process or restart it.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

**References:**
- https://security-tracker.debian.org/tracker/CVE-2026-42946

_Data: OSV.dev (upstream: debian) — https://osv.dev/vulnerability/DEBIAN-CVE-2026-42946_

## Source
元記事: [DEBIAN-CVE-2026-42946 — nginx](https://osv.dev/vulnerability/DEBIAN-CVE-2026-42946) — published 2026-05-13T16:16:50Z