LiquidJS Vulnerable to ReDoS via Quadratic Backtracking in `strip_html` Filter Regex

Summary The built-in striphtml filter in liquidjs uses a regex containing four lazy-quantified alternatives. When the input contains many |||/g, '' The regex contains four lazy patterns: 1. 2. 3. 4. For an input like 'script'.repeatN, the engine encounters N starting positions. At each one it mus...

TencentOS Server 4: python-tornado (TSSA-2025:0977)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2025:0977 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities...

Regular Expression Denial of Service (ReDoS)

Overview tornado is a Python web framework and asynchronous networking library, originally developed at FriendFeed. Affected versions of this package are vulnerable to Regular Expression Denial of Service ReDoS due to inefficient cookie parsing that results in quadratic performance. An attacker...

CVE-2014-10064

The qs module before 1.0.0 does not have an option or default for specifying object depth and when parsing a string representing a deeply nested object will block the event loop for long periods of time. An attacker could leverage this to cause a temporary denial-of-service condition, for example...