OPENSUSE-SU-2026:21524-1 Security update for nginx

This update for nginx fixes the following issue - CVE-2026-42533: map directive and regex matching vulnerability bsc1271514...

SUSE SLES15 Security Update : nginx (SUSE-SU-2026:3448-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3448-1 advisory. - CVE-2026-42055: heap buffer overflow in the ngxhttpproxyv2module and ngxhttpgrpcmodule modules bsc1268492. - CVE-2026-42533: heap...

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...

Security update for nginx

This update for nginx fixes the following issues: CVE-2026-42055: heap buffer overflow in the ngxhttpproxyv2module and ngxhttpgrpcmodule modules bsc1268492. CVE-2026-42533: heap buffer overflow in the map directive and regex matching bsc1271514. CVE-2026-48142: heap buffer overread in the...

SUSE-SU-2026:3448-1 Security update for nginx

This update for nginx fixes the following issues: - CVE-2026-42055: heap buffer overflow in the ngxhttpproxyv2module and ngxhttpgrpcmodule modules bsc1268492. - CVE-2026-42533: heap buffer overflow in the map directive and regex matching bsc1271514. - CVE-2026-48142: heap buffer overread in the...

MGASA-2026-0301 Updated nginx packages fix security vulnerabilities

CVE-2026-42533: Heap buffer overflow might occur in a worker process when using the map directive with regex matching if the map variable was included in a string expression after a capture affected by this map; a similar issue might happen when using a non-cacheable variable in a string...

Exploit for CVE-2026-42533

CVE-2026-42533 — nginx Heap Buffer Overflow PoC Exploit Pre...

nginx: Fix of CVE-2026-42533

CVE-2026-42533: fix heap buffer overflow in the map directive with regex matching script engine buffer overrun protection...

BIT-NGINX-2026-42533 NGINX Map directive and Regex matching vulnerability

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 non-cacheable variable i...

USN-8563-1 nginx vulnerabilities

It was discovered that nginx incorrectly handled certain map directives using regex matching and capture variables. A remote attacker could use this issue to cause nginx to crash, resulting in a denial of service, or possibly execute arbitrary code. CVE-2026-42533 It was discovered that nginx had...

USN-8563-1: nginx vulnerabilities

It was discovered that nginx incorrectly handled certain map directives using regex matching and capture variables. A remote attacker could use this issue to cause nginx to crash, resulting in a denial of service, or possibly execute arbitrary code. CVE-2026-42533 It was discovered that nginx had...

NGINX Map directive and Regex matching vulnerability

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CVE-2026-42533

A flaw was found in NGINX. An unauthenticated attacker can exploit this vulnerability by sending specially crafted HTTP requests when the map directive uses regular expression regex matching and references regex capture variables before referencing the map output variable. This can lead to a heap...

Angie -- multiple vulnerabilities

The Angie Software Team reports: When evaluating a string expression in which unnamed capture variables $1, $2, etc. preceded a map directive variable whose value is determined by a regular expression, or when using a non-cacheable volatile map directive variable whose key contained a capture...

SUSE CVE-2026-42533

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 non-cacheable variable i...

CVE-2026-42533

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 non-cacheable variable i...

Linux Distros Unpatched Vulnerability : CVE-2026-42533

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

ALPINE-CVE-2026-42533

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 non-cacheable variable i...

CVE-2026-42533

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 non-cacheable variable i...

CVE-2026-42533

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 non-cacheable variable i...