Loofah `allowed_uri?` does not detect `javascript:` URIs split by numeric character references without semicolons

Summary Loofah::HTML5::Scrub.alloweduri? does not correctly reject javascript: or vbscript: URIs when the scheme is split by a numeric character reference that has no trailing semicolon. A browser decodes such references and resolves the URL to an executable javascript: scheme, while alloweduri?...

PT-2026-63793

Summary Loofah::HTML5::Scrub.allowed uri? does not correctly reject javascript: or vbscript: URIs when the scheme is split by a numeric character reference that has no trailing semicolon. A browser decodes such references and resolves the URL to an executable javascript: scheme, while allowed uri...

Cross-site Scripting (XSS)

Overview loofah is a general library for manipulating and transforming HTML/XML documents and fragments, built on top of Nokogiri. Affected versions of this package are vulnerable to Cross-site Scripting XSS in the Loofah::HTML5::Scrub.alloweduri? method, which relies on CGI.unescapeHTML and...

DEBIAN-CVE-2026-49130

Music Player Daemon MPD before version 0.24.11 contains a CRLF injection vulnerability in the xspfchardata function within the XSPF playlist plugin that allows attackers to embed literal CR/LF bytes in URI fields by supplying a malicious XSPF playlist with XML numeric character references...

CVE-2026-49130

Music Player Daemon MPD before version 0.24.11 contains a CRLF injection vulnerability in the xspfchardata function within the XSPF playlist plugin that allows attackers to embed literal CR/LF bytes in URI fields by supplying a malicious XSPF playlist with XML numeric character references...

PT-2026-44497

Music Player Daemon MPD before version 0.24.11 contains a CRLF injection vulnerability in the xspf char data function within the XSPF playlist plugin that allows attackers to embed literal CR/LF bytes in URI fields by supplying a malicious XSPF playlist with XML numeric character references...

SUSE CVE-2026-33036

fast-xml-parser allows users to process XML from JS object without C/C++ based libraries or callbacks. Versions 4.0.0-beta.3 through 5.5.5 contain a bypass vulnerability where numeric character references &NNN;, &xHH; and standard XML entities completely evade the entity expansion limits e.g.,...

XML Entity Expansion

Overview org.webjars.npm:fast-xml-parser is a Validate XML, Parse XML, Build XML without C/C++ based libraries Affected versions of this package are vulnerable to XML Entity Expansion in the replaceEntitiesValue function, which doesn't protect unlimited expansion of numeric entities the way it do...

Linux Distros Unpatched Vulnerability : CVE-2025-10990

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in REXML. A remote attacker could exploit inefficient regular expression regex parsing when processing hex numeric character references &x...; ...

CVE-2025-10990

A flaw was found in REXML. A remote attacker could exploit inefficient regular expression regex parsing when processing hex numeric character references &x...; in XML documents. This could lead to a Regular Expression Denial of Service ReDoS, impacting the availability of the affected component...

PT-2025-46138

Name of the Vulnerable Software and Affected Versions REXML affected versions not specified Description A flaw exists in REXML related to inefficient regular expression regex parsing when processing hex numeric character references &x... in XML documents. This can lead to a Regular Expression...

rexml: REXML ReDoS vulnerability

A flaw was found in the ReXML XML toolkit for Ruby. Parsing XML data containing a large number of digits between & and x...; in a hex numeric character reference &x...; can trigger a regular expression denial of service ReDoS condition, leading to a denial of service...

rexml: REXML ReDoS vulnerability

A flaw was found in the ReXML XML toolkit for Ruby. Parsing XML data containing a large number of digits between & and x...; in a hex numeric character reference &x...; can trigger a regular expression denial of service ReDoS condition, leading to a denial of service...

rexml: REXML ReDoS vulnerability

A flaw was found in the ReXML XML toolkit for Ruby. Parsing XML data containing a large number of digits between & and x...; in a hex numeric character reference &x...; can trigger a regular expression denial of service ReDoS condition, leading to a denial of service...

rexml: REXML ReDoS vulnerability

A flaw was found in the ReXML XML toolkit for Ruby. Parsing XML data containing a large number of digits between & and x...; in a hex numeric character reference &x...; can trigger a regular expression denial of service ReDoS condition, leading to a denial of service...

CLSA-2025-1745053071 ruby: Fix of CVE-2024-49761

CVE-2024-49761: parse XML with many digits in hex numeric character reference &x... to fix ReDoS vulnerability in REXML...

Astra Linux – Vulnerability in Ruby 3.1

REXML is an XML toolkit for Ruby. The REXML gem prior to version 3.3.9 has a ReDoS vulnerability when it parses an XML document containing many digits between “&” and “x…” in a hexadecimal character reference &x…. This issue does not occur in Ruby 3.2 or later versions. Ruby 3.1 is the only...

rexml: REXML ReDoS vulnerability

A flaw was found in the ReXML XML toolkit for Ruby. Parsing XML data containing a large number of digits between & and x...; in a hex numeric character reference &x...; can trigger a regular expression denial of service ReDoS condition, leading to a denial of service...

rexml: REXML ReDoS vulnerability

A flaw was found in the ReXML XML toolkit for Ruby. Parsing XML data containing a large number of digits between & and x...; in a hex numeric character reference &x...; can trigger a regular expression denial of service ReDoS condition, leading to a denial of service...

rexml: REXML ReDoS vulnerability

A flaw was found in the ReXML XML toolkit for Ruby. Parsing XML data containing a large number of digits between & and x...; in a hex numeric character reference &x...; can trigger a regular expression denial of service ReDoS condition, leading to a denial of service...