nginx: NGINX: Heap buffer over-read allows memory modification or denial of service

A vulnerability in NGINX's ngxhttpssimodule allows an unauthenticated MITM attacker to trigger a heap buffer over-read by manipulating upstream server responses. This requires SSI, proxypass, and proxybuffering off to be configured, and can result in memory modification or a Denial of Service DoS...

ALSA-2026:59216 Important: nginx:1.24 security update

nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage. Security Fixes: nginx: NGINX: Heap buffer over-read allows memory modification or denial of service CVE-2026-56434 nginx: NGINX: Memory disclosure and denial o...

ALSA-2026:59220 Important: nginx security update

nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage. Security Fixes: nginx: NGINX: Heap buffer over-read allows memory modification or denial of service CVE-2026-56434 nginx: NGINX: Memory disclosure and denial o...

Important: nginx

Issue Overview: A vulnerability exists in NGINX Plus and NGINX Open Source when a map directive uses regex matching and a string expression references the map's regex capture variables before referencing the map output variable. Alternatively, the same result could be achieved by using a...

Qnap QTS and QuTS hero Stack-based Buffer Overflow (CVE-2025-62858)

A buffer overflow vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to modify memory or crash processes. We have already fixed the vulnerability in the following versions:...

nginx: NGINX: Heap buffer over-read allows memory modification or denial of service

A vulnerability in NGINX's ngxhttpssimodule allows an unauthenticated MITM attacker to trigger a heap buffer over-read by manipulating upstream server responses. This requires SSI, proxypass, and proxybuffering off to be configured, and can result in memory modification or a Denial of Service DoS...

BIT-NGINX-GATEWAY-2026-56434 NGINX ngx_http_ssi_module vulnerability

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpssimodule module. This vulnerability may exist when the Server-Side Includes SSI, proxypass, and proxybuffering off directives are configured. With this configuration, an unauthenticated attacker with man-in-the-middle MITM abili...

CVE-2026-63830

A flaw was found in the Linux kernel's skmsg networking component. This vulnerability arises when the sg.copy bitmap, which controls memory access permissions, is not properly maintained during data transformations. This can allow a local attacker to bypass memory protection mechanisms, enabling...

AZL-92496 CVE-2026-56434 affecting package nginx for versions less than 1.28.3-8

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpssimodule module. This vulnerability may exist when the Server-Side Includes SSI, proxypass, and proxybuffering off directives are configured. With this configuration, an unauthenticated attacker with man-in-the-middle MITM abili...

ALPINE-CVE-2026-56434

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpssimodule module. This vulnerability may exist when the Server-Side Includes SSI, proxypass, and proxybuffering off directives are configured. With this configuration, an unauthenticated attacker with man-in-the-middle MITM abili...

CVE-2026-56434

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpssimodule module. This vulnerability may exist when the Server-Side Includes SSI, proxypass, and proxybuffering off directives are configured. With this configuration, an unauthenticated attacker with man-in-the-middle MITM abili...

CVE-2026-56434 NGINX ngx_http_ssi_module vulnerability

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpssimodule module. This vulnerability may exist when the Server-Side Includes SSI, proxypass, and proxybuffering off directives are configured. With this configuration, an unauthenticated attacker with man-in-the-middle MITM abili...

EUVD-2026-44684

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpssimodule module. This vulnerability may exist when the Server-Side Includes SSI, proxypass, and proxybuffering off directives are configured. With this configuration, an unauthenticated attacker with man-in-the-middle MITM abili...

K000162098: NGINX ngx_http_ssi_module vulnerability CVE-2026-56434

Security Advisory Description NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpssimodule module. This vulnerability may exist when the Server-Side Includes SSI, proxypass , and proxybuffering off directives are configured. With this configuration, an unauthenticated attacker wi...

PT-2026-60184

Name of the Vulnerable Software and Affected Versions NGINX Plus affected versions not specified NGINX Open Source affected versions not specified Description A use-after-free issue exists in the ngx http ssi module module. This occurs when Server-Side Includes SSI, proxy pass, and proxy bufferin...

CVE-2026-10577 Rockwell Automation 1715 Redundant IO – Access Control Vulnerability

A security issue exists within the 1715-AENTR EtherNet/IP Adapter. The affected product exposes a network-accessible debug port that does not enforce proper privilege controls, allowing unauthenticated remote access to intrusive command-line interface CLI commands. If exploited, a threat actor...

CVE-2026-26241

A buffer overflow vulnerability has been reported to affect File Station 5. The remote attackers can then exploit the vulnerability to modify memory or crash processes. We have already fixed the vulnerability in the following version: File Station 5 5.5.6.5243 and later...

CVE-2026-26240

A buffer overflow vulnerability has been reported to affect File Station 5. The remote attackers can then exploit the vulnerability to modify memory or crash processes. We have already fixed the vulnerability in the following version: File Station 5 5.5.6.5243 and later...

CVE-2025-62858

A buffer overflow vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to modify memory or crash processes. We have already fixed the vulnerability in the following versions:...

CVE-2026-26240

A buffer overflow vulnerability has been reported to affect File Station 5. The remote attackers can then exploit the vulnerability to modify memory or crash processes. We have already fixed the vulnerability in the following version: File Station 5 5.5.6.5243 and later...