5340 matches found
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...
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...
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...
[SECURITY] Fedora 43 Update: php-8.4.23-1.fc43
PHP is an HTML-embedded scripting language. PHP attempts to make it easy for developers to write dynamically generated web pages. PHP also offers built-in database integration for several commercial and non-commercial database management systems, so writing a database-enabled webpage with PHP is...
ROS-20260710-73-0028
The vulnerability of the html/template module in the Go programming language is related to the lack of measures taken to protect web page structures. Exploiting this vulnerability allows attackers who operate remotely to perform cross-site scripting attacks XSS...
CVE-2026-15308
The incremental HTML parser html.parser.HTMLParser allows for CPU denial-of-service through repeated unterminated markup declarations when processing uncontrolled data...
netty: io.netty/netty-codec-http: Netty: Incorrect HTTP response parsing leads to data confusion
A flaw was found in Netty, an asynchronous, event-driven network application framework. A remote attacker could exploit this vulnerability by sending a specific sequence of HTTP responses 103, followed by a 200 with a GET body, then another 200 for a HEAD request when the client pipelines GET the...
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...
CVE-2026-31981
A Stored HTML Injection vulnerability was discovered in the Diagram tab and Graph view due to a shared input validation function being insufficiently restrictive. An authenticated user with administrative privileges can inject malicious HTML tags into N2OS configuration data through multiple inpu...
EUVD-2026-42531
A Stored HTML Injection vulnerability was discovered in the Diagram tab and Graph view due to a shared input validation function being insufficiently restrictive. An authenticated user with administrative privileges can inject malicious HTML tags into N2OS configuration data through multiple inpu...
CVE-2026-31981 HTML injection in Diagram tab and Graph view in Guardian/CMC before 26.2.0
A Stored HTML Injection vulnerability was discovered in the Diagram tab and Graph view due to a shared input validation function being insufficiently restrictive. An authenticated user with administrative privileges can inject malicious HTML tags into N2OS configuration data through multiple inpu...