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ALSA-2026:6906 — Important: nginx security update

Affected: AlmaLinux:10: nginx-all-modules, AlmaLinux:10: nginx-filesystem

nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage.

Security Fix(es):

* nginx: NGINX: Denial of Service or Code Execution via specially crafted MP4 files (CVE-2026-32647) * NGINX: NGINX: Denial of Service or file modification via buffer overflow in ngx_http_dav_module (CVE-2026-27654) * NGINX: NGINX: Denial of Service due to memory corruption via crafted MP4 file (CVE-2026-27784) * NGINX: NGINX: Denial of Service via undisclosed requests when ngx_mail_auth_http_module is enabled (CVE-2026-27651)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

bdu:2026-04819

BELL-CVE-2026-32647

Affected: Alpaquita:23: nginx, Alpaquita:25: nginx, Alpaquita:stream: nginx

BIT-nginx-2026-32647 — NGINX ngx_http_mp4_module vulnerability

Affected: Bitnami: nginx

NGINX Open Source and NGINX Plus have a vulnerability in the ngx_http_mp4_module 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 affects NGINX Open Source and NGINX Plus if it is built with the ngx_http_mp4_module module and the mp4 directive is used in the configuration file. Additionally, the attack is possible only if an attacker can trigger the processing of a specially crafted MP4 file with the ngx_http_mp4_module module.

Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

certfr-2026-avi-0352 — De multiples vulnérabilités ont été découvertes dans les produits F5. Certaines d'entre elles permettent à un attaquant…

certfr-2026-avi-0352

EUVD-2026-337351

fkie_cve-2026-32647

Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

GHSA-6364-x4qj-7w59

Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

msrc_CVE-2026-32647 — NGINX ngx_http_mp4_module vulnerability

msrc_CVE-2026-32647

OESA-2026-1907 — nginx security update

Affected: openEuler:24.03-LTS: nginx, openEuler:24.03-LTS-SP1: nginx, openEuler:24.03-LTS-SP2: nginx, openEuler:24.03-LTS-SP3: nginx, openEuler:20.03-LTS-SP4: nginx, openEuler:22.03-LTS-SP4: nginx

NGINX is a free, open-source, high-performance HTTP server and reverse proxy, as well as an IMAP/POP3 proxy server. Security Fix(es):

When the ngx_mail_auth_http_module 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 response header. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.(CVE-2026-27651)

NGINX Open Source and NGINX Plus have a vulnerability in the ngx_http_dav_module module that might allow an attacker to trigger a buffer overflow to the NGINX worker process; this vulnerability may result in termination of the NGINX worker process or modification of source or destination file names outside the document root. This issue affects NGINX Open Source and NGINX Plus when the configuration file uses DAV module MOVE or COPY methods, prefix location (nonregular expression location configuration), and alias directives. The integrity impact is constrained because the NGINX worker process user has low privileges and does not have access to the entire system. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.(CVE-2026-27654)

The 32-bit implementation of NGINX Open Source has a vulnerability in the ngx_http_mp4_module module, which might allow an attacker to over-read or ov…

openSUSE-SU-2026:10423-1 — nginx-1.29.7-1.1 on GA media

nginx-1.29.7-1.1 on GA media

RHSA-2026:10065 — Red Hat Security Advisory: Red Hat Update Infrastructure 5.1 security update

libxslt: Processing web content may disclose sensitive information nginx: NGINX: Data injection via man-in-the-middle attack on TLS proxied connections openssh: OpenSSH GSSAPI: Information disclosure or denial of service due to uninitialized variables libarchive: Infinite Loop Denial of Service in RAR5 Decompression via archive_read_data() in libarchive libarchive: libarchive: Information disclosure via heap out-of-bounds read in RAR archive processing python: Python: Command-line option injection in webbrowser.open() via crafted URLs libarchive: libarchive: Arbitrary code execution via integer overflow in ISO9660 image processing net/url: Incorrect parsing of IPv6 host literals in net/url vim: Vim: Arbitrary code execution via 'helpfile' option processing nghttp2: nghttp2: Denial of Service via malformed HTTP/2 frames after session termination NGINX: NGINX: Denial of Service via undisclosed requests when ngx_mail_auth_http_module is enabled NGINX: NGINX: Denial of Service or file modification via buffer overflow in ngx_http_dav_module NGINX: NGINX: Denial of Service due to memory corruption via crafted MP4 file vim: Vim: Arbitrary code execution via OS command injection in the netrw plugin vim: Vim: Denial of service and information disclosure via crafted swap file nginx: NGINX: Denial of Service or Code Execution via specially crafted MP4 files vim: Vim: Arbitrary code execution via command injection in glob() function

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

Security update for nginx

UBUNTU-CVE-2026-32647

Affected: Ubuntu:Pro:14.04:LTS: nginx, Ubuntu:Pro:16.04:LTS: nginx, Ubuntu:Pro:18.04:LTS: nginx, Ubuntu:Pro:20.04:LTS: nginx, Ubuntu:22.04:LTS: nginx, Ubuntu:24.04:LTS: nginx, Ubuntu:25.10: nginx

WID-SEC-W-2026-0860 — NGINX und NGINX Plus: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen in NGINX Plus und NGINX ausnutzen, um einen Denial of Service Angriff durchzuführen, um Daten zu manipulieren, um Sicherheitsvorkehrungen zu umgehen, und potenziell um beliebigen Programmcode auszuführen.