Important: nginx:1.24 security, bug fix, and enhancement 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: Arbitrary code execution or Denial of Service via heap-based buffer overflow with crafted HTTP/2 headers CVE-2026-42055 Bug Fixes...

nginx:1.26 security, bug fix, and enhancement update

An update is available for nginx, module.nginx. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list nginx is a web and proxy server supporting HTTP and other...

Important: Red Hat Security Advisory: nginx:1.26 security, bug fix, and enhancement update

An update for the nginx:1.26 module is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

ALSA-2026:36639 Important: nginx:1.26 security, bug fix, and enhancement 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: Arbitrary code execution or Denial of Service via heap-based buffer overflow with crafted HTTP/2 headers CVE-2026-42055 Bug Fixes...

ALSA-2026:36618 Important: nginx:1.24 security, bug fix, and enhancement 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: Arbitrary code execution or Denial of Service via heap-based buffer overflow with crafted HTTP/2 headers CVE-2026-42055 Bug Fixes...

RockyLinux 10 : nginx (RLSA-2026:36364)

The remote RockyLinux 10 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:36364 advisory. nginx: NGINX: Arbitrary code execution or Denial of Service via heap-based buffer overflow with crafted HTTP/2 headers CVE-2026-42055 Bug Fixes and Enhancements...

nginx: NGINX: Arbitrary code execution or Denial of Service via heap-based buffer overflow with crafted HTTP/2 headers

A flaw was found in NGINX. When NGINX is configured to proxy HTTP/2 traffic using the ngxhttpproxyv2module or ngxhttpgrpcmodule with specific settings, a remote, unauthenticated attacker can send specially crafted large headers. This can trigger a heap-based buffer overflow, leading to a restart ...

PYSEC-2026-1425 gRPC Reachable Assertion issue

There exists an vulnerability causing an abort to be called in gRPC. The following headers cause gRPC's C++ implementation to abort when called via http2: te: x x != trailers :scheme: x x != http, https grpclbclientstats: x x == anything On top of sending one of those headers, a later header must...

Important: nginx security, bug fix, and enhancement 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: Arbitrary code execution or Denial of Service via heap-based buffer overflow with crafted HTTP/2 headers CVE-2026-42055 Bug Fixes...

ALSA-2026:36331 Important: nginx security, bug fix, and enhancement 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: Arbitrary code execution or Denial of Service via heap-based buffer overflow with crafted HTTP/2 headers CVE-2026-42055 Bug Fixes...

Astra Linux – Vulnerability in Node.js

A malformed HTTP/2 HEADERS frame with oversized, invalid HPACK data can cause Node.js to crash by triggering an unhandled TLSSocket error ECONNRESET. Instead of safely closing the connection, the process crashes, enabling a remote denial of service. This primarily affects applications that do not...

OPENSUSE-SU-2026:21121-1 Security update for tomcat11

This update for tomcat11 fixes the following issues Update to Tomcat 11.0.22: - CVE-2026-41284: Unbounded read in WebDAV LOCK and PROPFIND handling bsc1265162. - CVE-2026-41293: HTTP/2 request headers not validated bsc1265163. - CVE-2026-42498: WebSocket authentication header exposure bsc1265165....

PT-2026-50438

Name of the Vulnerable Software and Affected Versions NGINX Plus affected versions not specified NGINX Open Source affected versions not specified Description A flaw in the ngx http proxy v2 module and ngx http grpc module modules can be triggered when NGINX is configured to proxy HTTP/2 traffic...

USN-8417-1 tomcat9, tomcat10 vulnerabilities

It was discovered that Tomcat did not properly limit the size of WebDAV LOCK and PROPFIND request bodies. A remote attacker could use this issue to cause Tomcat to consume excessive memory, resulting in a denial of service. CVE-2026-41284 It was discovered that Tomcat incorrectly validated HTTP/2...

CVE-2026-41293

Apache Tomcat did not validate HTTP/2 request headers, triggering unexpected application behavior, as applications may presume that header values exposed through the Servlet API would be valid...

Astra Linux – Vulnerability in Apache2

HTTP/2 incoming headers that exceed the limit are temporarily buffered in nghttp2 in order to generate an informative HTTP 413 response. If a client continues to send headers, this can lead to memory exhaustion...

MGASA-2026-0139 Updated tomcat packages fix security vulnerability

Unbounded read in WebDAV LOCK and PROPFIND handling. CVE-2026-41284 HTTP/2 request headers not validated. CVE-2026-41293 WebSocket authentication header exposure. CVE-2026-42498 Digest authenticator will authenticate any unknown user. CVE-2026-43512 LockOutRealm treats user names as case-sensitiv...

Updated tomcat packages fix security vulnerability

Unbounded read in WebDAV LOCK and PROPFIND handling. CVE-2026-41284 HTTP/2 request headers not validated. CVE-2026-41293 WebSocket authentication header exposure. CVE-2026-42498 Digest authenticator will authenticate any unknown user. CVE-2026-43512 LockOutRealm treats user names as case-sensitiv...

GHSA-R29C-68GH-XP6X Apache Tomcat - HTTP/2 request headers not validated

Versions Affected: Apache Tomcat 11.0.0-M1 to 11.0.21 Apache Tomcat 10.1.0-M1 to 10.1.54 Apache Tomcat 9.0.0.M1 to 9.0.117 Older, unsupported versions may also be affected Description: HTTP/2 request headers were not validated which may have triggered unexpected application behaviour if the...

CVE-2026-41293 Apache Tomcat: HTTP/2 request headers not validated

Improper Input Validation vulnerability in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 10.0.0-M1 through 10.0.27. Older, end of support versions may also be affected. Users are recommended to...