CVE-2026-20657: Improper Restriction of Operations within the Bounds of a Memory Buffer

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4, visionOS 26.4. Parsing a maliciously crafted file may lead to an unexpected app...

CVE-2026-28874: Uncontrolled Resource Consumption

The issue was addressed with improved checks. This issue is fixed in iOS 26.4 and iPadOS 26.4. A remote attacker may cause an unexpected app termination...

CVE-2026-28842: Heap-based Buffer Overflow

The issue was addressed with improved bounds checks. This issue is fixed in macOS Tahoe 26.4. A buffer overflow may result in memory corruption and unexpected app termination...

Apple macOS 安全漏洞

Apple macOS is a specialized operating system developed by Apple for Mac computers. A denial of service vulnerability exists in Apple macOS, which can be exploited by an attacker to cause an application to cause an unexpected system termination...

Apple macOS 安全漏洞

Apple macOS Tahoe is an operating system from the American company Apple. A security vulnerability exists in Apple macOS Tahoe, which can be exploited by attackers to cause memory corruption and unexpected application termination...

CVE-2026-3119

Under certain conditions, named may crash when processing a correctly signed query containing a TKEY record. The affected code can only be reached if an incoming request has a valid transaction signature TSIG from a key declared in the named configuration. This issue affects BIND 9 versions 9.20....

CVE-2026-27784

The 32-bit implementation of NGINX Open Source has a vulnerability in the ngxhttpmp4module module, which might allow an attacker to over-read or over-write NGINX worker memory resulting in its termination, using a specially crafted MP4 file. The issue only affects 32-bit NGINX Open Source if it i...

DEBIAN-CVE-2026-27784

The 32-bit implementation of NGINX Open Source has a vulnerability in the ngxhttpmp4module module, which might allow an attacker to over-read or over-write NGINX worker memory resulting in its termination, using a specially crafted MP4 file. The issue only affects 32-bit NGINX Open Source if it i...

AZL-80771 CVE-2026-27651 affecting package nginx for versions less than 1.28.3-1

When the ngxmailauthhttpmodule module is enabled on NGINX Plus or NGINX Open Source, undisclosed requests can cause worker processes to terminate. This issue may occur when 1 CRAM-MD5 or APOP authentication is enabled, and 2 the authentication server permits retry by returning the Auth-Wait...

CVE-2026-27651

When the ngxmailauthhttpmodule module is enabled on NGINX Plus or NGINX Open Source, undisclosed requests can cause worker processes to terminate. This issue may occur when 1 CRAM-MD5 or APOP authentication is enabled, and 2 the authentication server permits retry by returning the Auth-Wait...

CVE-2026-27651

When the ngxmailauthhttpmodule module is enabled on NGINX Plus or NGINX Open Source, undisclosed requests can cause worker processes to terminate. This issue may occur when 1 CRAM-MD5 or APOP authentication is enabled, and 2 the authentication server permits retry by returning the Auth-Wait...

CVE-2026-27651

CVE-2026-27651 affects the ngx_mail_auth_http_module in NGINX Plus and NGINX Open Source. When CRAM-MD5 or APOP authentication is enabled and the authentication server indicates a retry by returning the Auth-Wait header, undisclosed requests can cause worker processes to terminate. This is the st...

CVE-2026-27651

When the ngxmailauthhttpmodule module is enabled on NGINX Plus or NGINX Open Source, undisclosed requests can cause worker processes to terminate. This issue may occur when 1 CRAM-MD5 or APOP authentication is enabled, and 2 the authentication server permits retry by returning the Auth-Wait...

CVE-2026-27654

The CVE-2026-27654 entry affects NGINX Open Source and NGINX Plus via the ngx_http_dav_module. The issue is a buffer overflow that can cause the NGINX worker process to terminate or modify source/destination file names outside the document root. It is triggered when the DAV module MOVE or COPY me...

CVE-2026-32647

NGINX Open Source and NGINX Plus have a vulnerability in the ngxhttpmp4module module, which might allow an attacker to trigger a buffer over-read or over-write to the NGINX worker memory resulting in its termination or possibly code execution, using a specially crafted MP4 file. This issue affect...

CVE-2026-32647 NGINX ngx_http_mp4_module vulnerability

NGINX Open Source and NGINX Plus have a vulnerability in the ngxhttpmp4module module, which might allow an attacker to trigger a buffer over-read or over-write to the NGINX worker memory resulting in its termination or possibly code execution, using a specially crafted MP4 file. This issue affect...

CVE-2026-27784

The 32-bit implementation of NGINX Open Source has a vulnerability in the ngxhttpmp4module module, which might allow an attacker to over-read or over-write NGINX worker memory resulting in its termination, using a specially crafted MP4 file. The issue only affects 32-bit NGINX Open Source if it i...

CVE-2026-27784 NGINX ngx_http_mp4_module vulnerability

The 32-bit implementation of NGINX Open Source has a vulnerability in the ngxhttpmp4module module, which might allow an attacker to over-read or over-write NGINX worker memory resulting in its termination, using a specially crafted MP4 file. The issue only affects 32-bit NGINX Open Source if it i...

CVE-2026-27784 NGINX ngx_http_mp4_module vulnerability

The 32-bit implementation of NGINX Open Source has a vulnerability in the ngxhttpmp4module module, which might allow an attacker to over-read or over-write NGINX worker memory resulting in its termination, using a specially crafted MP4 file. The issue only affects 32-bit NGINX Open Source if it i...

K000160383: NGINX ngx_mail_auth_http_module vulnerability CVE-2026-27651

Security Advisory Description When the ngxmailauthhttpmodule module is enabled on NGINX Plus or NGINX Open Source, undisclosed requests can cause worker processes to terminate. This issue may occur when 1 CRAM-MD5 or APOP authentication is enabled, and 2 the authentication server permits retry by...