EEF-CVE-2026-58229 Unbounded HTTP/1 response-header and chunked-trailer accumulation in Mint causes memory-exhaustion DoS

Summary Allocation of resources without limits vulnerability in elixir-mint mint allows a remote HTTP server to exhaust memory on the client host and cause a denial of service. The Mint.HTTP1.decode\headers/5 and Mint.HTTP1.decode\trailer\headers/4 functions in lib/mint/http1.ex accumulate every...

CVE-2026-27690

Due to an HTTP Request Smuggling vulnerability in SAP Approuter, an unauthenticated attacker could send a specially crafted HTTP request that leads to request-response desynchronization. This could result in the exposure of user responses and cause the system to become unavailable. This leads to ...

HTML RDiscount Buffer Overflow DoS

The vulnerability of the document converter in Markdown syntax in HTML RDiscount is related to the execution of operations beyond the buffer boundaries in memory. Exploiting this vulnerability could allow a malicious actor to cause service failures...

PT-2026-58160

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description An issue exists where the allocation of resources without limits or throttling in HTTP/2 allows an unauthorized attacker to cause a denial-of-service over a...

PT-2026-57994

Allocation of resources without limits vulnerability in elixir-mint mint allows a remote HTTP/2 server to exhaust memory on the client host and cause a denial of service. The Mint.HTTP2.handle continuation/3 function in lib/mint/http2.ex accumulates the header-block fragment carried by each HTTP/...

PT-2026-58738

Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 150.0.7871.125 Description An inappropriate implementation in the V8 JavaScript engine allows a remote attacker to bypass the same origin policy, a security mechanism that restricts how a document or script load...

CVE-2026-62186

OpenClaw versions before 2026.6.8 contain an authorization bypass vulnerability in OpenAI-compatible HTTP model overrides that allows lower-trust callers to perform actions requiring stronger authorization checks. Attackers can exploit misconfigured input paths to bypass admin authorization...

CVE-2026-58487

HedgeDoc is an open source, real-time, collaborative, markdown notes application. Prior to version 1.11.0, due to unsafe handling of the local-part of registered email addresses, HedgeDoc was vulnerable to stored HTML Injection through its publish and slide views. An attacker could register a...

Arbitrary Code Injection

Overview Affected versions of this package are vulnerable to Arbitrary Code Injection via the htmlcontent process. An attacker can execute arbitrary scripts in the browsers of visitors by injecting malicious HTML or JavaScript into an HTML block that is rendered without proper sanitization. This ...

firefox: thunderbird: Use-after-free in the Networking: HTTP component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the Networking: HTTP component...

Litestar has HTML Injection Through its CSRF Token

OverviewLitestar instances which use a template engine in conjunction with CSRF protection are vulnerable to HTML Injection which can be escalated to Cross Site Scripting due to the contents of the CSRF cookie being excluded from automatic escaping by the template engine when configured inline wi...

RLSA-2026:38847 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...

firefox: thunderbird: Use-after-free in the Networking: HTTP component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the Networking: HTTP component...

PT-2026-57845

Rejetto HFS 3.0.0 through 3.2.0 does not escape file names in its fallback "basic" web listing, and this listing can be forced by any browser via the ?get=basic parameter. A user with upload permission - or an anonymous user on servers with an open upload folder - can store a file whose name...

Security update for nghttp2 (moderate)

openSUSE security update: security update for nghttp2 ------------------------------------------------------------- Announcement ID: openSUSE-SU-2026:21302-1 Rating: moderate References: bsc1269489 Cross-References: CVE-2026-58055 CVSS scores: CVE-2026-58055 SUSE : 5.4...

ALSA-2026:38847 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...

[SECURITY] Fedora 44 Update: perl-HTML-Gumbo-0.19-1.fc44

Gumbo is an implementation of the HTML5 parsing algorithm implemented as a pure C99 library with no outside dependencies...

CVE-2026-55213

h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. Prior to commit edd7a120bfc4af11ac0cbebce2a43cc1f93f9af1, when h2o processes a QPACK instruction sent from the peer over HTTP/3, lib/http3/qpack.c might allocate an on-stack buffer as large as approximately 800 KB by calling...

DEBIAN-CVE-2026-55213

h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. Prior to commit edd7a120bfc4af11ac0cbebce2a43cc1f93f9af1, when h2o processes a QPACK instruction sent from the peer over HTTP/3, lib/http3/qpack.c might allocate an on-stack buffer as large as approximately 800 KB by calling...

CVE-2026-55213

h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. Prior to commit edd7a120bfc4af11ac0cbebce2a43cc1f93f9af1, when h2o processes a QPACK instruction sent from the peer over HTTP/3, lib/http3/qpack.c might allocate an on-stack buffer as large as approximately 800 KB by calling...