The vulnerability of the ngx_http_charset_module module in NGINX Plus and NGINX Open Source web servers allows a perpetrator to gain unauthorized access to protected information or cause service failures.

The vulnerability of the ngxhttpcharsetmodule module in NGINX Plus and NGINX Open Source web servers relates to the execution of operations outside of the buffer in memory. Exploiting this vulnerability can allow an attacker to gain unauthorized access to protected information or cause service...

CVE-2026-48142

A flaw was found in NGINX. Remote, unauthenticated attackers can exploit a vulnerability in the ngxhttpcharsetmodule when specific charset configurations are present. This can lead to a heap buffer over-read, potentially causing limited disclosure of memory or a denial of service by restarting th...

CVE-2026-48142: Out-of-bounds Read

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpcharsetmodule module. When content is served or proxied through a location block with both sourcecharset utf-8; and a charset directive for example, charset koi8-r; configured, remote, unauthenticated attackers can send requests ...

OESA-2026-2512 nginx security update

NGINX is a free, open-source, high-performance HTTP server and reverse proxy, as well as an IMAP/POP3 proxy server. Security Fixes: NGINX Open Source have a vulnerability in the ngxhttpsslmodule module when the sslverifyclient directive is set to "on" or "optional," and the sslocsp directive is s...

OESA-2026-2514 nginx security update

NGINX is a free, open-source, high-performance HTTP server and reverse proxy, as well as an IMAP/POP3 proxy server. Security Fixes: NGINX Open Source have a vulnerability in the ngxhttpsslmodule module when the sslverifyclient directive is set to "on" or "optional," and the sslocsp directive is s...

OESA-2026-2510 nginx security update

NGINX is a free, open-source, high-performance HTTP server and reverse proxy, as well as an IMAP/POP3 proxy server. Security Fixes: NGINX Open Source have a vulnerability in the ngxhttpsslmodule module when the sslverifyclient directive is set to "on" or "optional," and the sslocsp directive is s...

OESA-2026-2513 nginx security update

NGINX is a free, open-source, high-performance HTTP server and reverse proxy, as well as an IMAP/POP3 proxy server. Security Fixes: NGINX Open Source have a vulnerability in the ngxhttpsslmodule module when the sslverifyclient directive is set to "on" or "optional," and the sslocsp directive is s...

SUSE-SU-2026:21832-1 Security update for nginx

This update for nginx fixes the following issues - CVE-2026-27651: denial of service via undisclosed requests when the ngxmailauthhttpmodule is enabled bsc1260415. - CVE-2026-32647: NGINX worker memory over-read or over-write via a specially crafted MP4 file bsc1260420. - CVE-2026-40701: heap...

NGINX ngx_http_charset_module vulnerability

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CVE-2026-42934

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpcharsetmodule module. When charset, sourcecharset, and charsetmap and proxypass with disabled buffering "off" directives are configured, unauthenticated attackers can send requests that with conditions beyond the attackers' contr...

CVE-2026-42934: Out-of-bounds Read

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpcharsetmodule module. When charset, sourcecharset, and charsetmap and proxypass with disabled buffering "off" directives are configured, unauthenticated attackers can send requests that with conditions beyond the attackers' contr...