Skip to content

NGINX

vrelease-1.30.3 scope: release Security

This release includes 2 security fixes for security teams reviewing exposed deployments.

Published 1mo Reverse Proxies & Load Balancers
✓ No known CVEs patched
Read the diff → Tool health → What is this tool? →
This release patches 2 known CVEs

Topics

content-cache http http2 http3 https load-balancing
+9 more
mail-proxy-server nginx quic proxy security tcp-proxy-server tls udp-proxy-server web-server

Affected surfaces

rce_ssrf

Summary

AI summary

Fixes buffer overflow (CVE-2026-42055) and buffer overread (CVE-2026-48142) vulnerabilities in multiple modules.

Full changelog

nginx-1.30.3 stable version has been released, with fixes for buffer overflow vulnerability in the ngx_http_proxy_v2_module and ngx_http_grpc_module (CVE-2026-42055), and buffer overread vulnerability in the ngx_http_charset_module (CVE-2026-48142).

See official CHANGES-1.30 on nginx.org.

Below is a release summary generated by GitHub.

What's Changed

  • Nginx 1.30.3 with security fixes by @arut in https://github.com/nginx/nginx/pull/1475

Full Changelog: https://github.com/nginx/nginx/compare/release-1.30.2...release-1.30.3

Security Fixes

  • CVE-2026-42055 — buffer overflow in ngx_http_proxy_v2_module and ngx_http_grpc_module
  • CVE-2026-48142 — buffer overread in ngx_http_charset_module
View diff on GitHub

Weekly OSS security release digest.

The CVE patches and breaking changes that affected production tools this week. One email, every Sunday.

No spam, unsubscribe anytime.

Share this release

Share on X Share on Bluesky

Track NGINX

Get notified when new releases ship.

Sign up free

About NGINX

HTTP and reverse proxy server, mail proxy server, and generic TCP/UDP proxy server.

All releases →

Related context

Beta — feedback welcome: [email protected]