Regular Expression Denial of Service (ReDoS)

Overview svelte is a package for building web applications. Affected versions of this package are vulnerable to Regular Expression Denial of Service ReDoS through the svelte:element tag validation process. An attacker can cause significant performance degradation by supplying specially crafted ta...

Svelte: ReDoS in `<svelte:element>` Tag Validation

An internal regex in the Svelte runtime can take exponential time to test in . You are only vulnerable to this if you allow tags of unconstrained length. If your application only allows a predetermined list of tags or trims their length before passing them to svelte:element, you are safe...

PT-2024-27456 · Discourse · Discourse

Name of the Vulnerable Software and Affected Versions: Discourse versions prior to 3.2.5 Discourse versions prior to 3.3.0.beta5 Description: The issue concerns crafting requests to submit very long tag group names, which can reduce the availability of a Discourse instance. Recommendations: For...