CVE-2026-44453

h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. Prior to commit 6b5370d, h2o is vulnerable to a Denial of Service attack when calling alloca under certain conditions. When serving static files, h2o builds the file path on stack, by calling alloca. The maximum size of the memor...

CVE-2026-44453

The CVE-2026-44453 entry concerns the h2o HTTP server (HTTP/1.x, HTTP/2, HTTP/3). Before commit 6b5370d, h2o could trigger a Denial of Service by calling alloca to build file paths for static files, potentially allocating up to ~600 KB on the stack. This exceeds the musl libc pthread stack defaul...

USN-8182-1: Rack vulnerabilities

Andrew Lacambra discovered that Rack did not properly parse certain regular expressions. An attacker could possibly use this issue to bypass network security filters. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 25.10. CVE-2026-26961 William T. Nelson...

Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.10 : Rack vulnerabilities (USN-8182-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8182-1 advisory. Andrew Lacambra discovered that Rack did not properly parse certain regular...

Security update for python-aiohttp

This update for python-aiohttp fixes the following issues: CVE-2025-69228: Fixed denial of service through large payloads bsc1256022. CVE-2025-69226: Fixed brute-force leak of internal static file path components bsc1256020. CVE-2025-69224: Fixed unicode processing of header values could cause...

SUSE-SU-2026:0859-1 Security update for python-aiohttp

This update for python-aiohttp fixes the following issues: - CVE-2025-69228: Fixed denial of service through large payloads bsc1256022. - CVE-2025-69226: Fixed brute-force leak of internal static file path components bsc1256020. - CVE-2025-69224: Fixed unicode processing of header values could...

WordPress Plugin Clone Security Vulnerability

WordPress and WordPress plugin are both products of the WordPress Foundation.WordPress is a blogging platform developed using the PHP language. WordPress is a blogging platform developed using the PHP language, which supports personal blogs on PHP and MySQL servers.WordPress plugin is an...

Improper Input Validation

Overview Affected versions of this package are vulnerable to Improper Input Validation by not validating that the expanded path matches publicdir when serving static files. Remediation Upgrade sinatra to version 2.2.0 or higher. References - GitHub Commit - GitHub PR...