CVE-2026-85999 Soup Sieve: Polynomial-time ReDoS (O(n²)) in the whitespace/comment trimming regex `RE_WS_END` (triggers on VALID selectors)

Soup Sieve is a CSS selector library designed to be used with Beautiful Soup 4. Prior to 2.9, selectoriter in src/soupsieve/cssparser.py trims the raw selector with REWSEND, an end-anchored WSC whitespace-and-comment expression used with search, so the regular expression engine retries a greedy...

CVE-2026-86000 Soup Sieve: Polynomial-time ReDoS (O(n²)) in the `IDENTIFIER` / `VALUE` selector sub-patterns

Soup Sieve is a CSS selector library designed to be used with Beautiful Soup 4. Prior to 2.9, the selector parser in src/soupsieve/cssparser.py defines IDENTIFIER with adjacent quantified groups over overlapping character classes, and VALUE embeds IDENTIFIER for attribute selectors. When an...

CVE-2025-48059 PowSyBl Core Contains a Polynomial ReDoS in RegexCriterion

PowSyBl Power System Blocks is a framework to build power system oriented software. In com.powsybl:powsybl-iidm-criteria versions 6.3.0 to before 6.7.2 and com.powsybl:powsybl-contingency-api versions 5.0.0 to before 6.3.0, there is a a potential polynomial Regular Expression Denial of Service...

CVE-2025-48059

PowSyBl Core contains a polynomial Regular Expression Denial of Service (ReDoS) in the RegexCriterion class used by powsybl-iidm-criteria (versions 6.3.0–6.7.1 and powsybl-contingency-api 5.0.0–6.3.0). The vulnerability arises from unvalidated user-supplied regex patterns compiled and evaluated a...

GHSA-8QJW-9XGM-C9FF PowSyBl Core Contains a Polynomial ReDoS in RegexCriterion

Impact What kind of vulnerability is it? Who is impacted? This is an advisory for a potential polynomial Regular Expression Denial of Service ReDoS vulnerability in the RegexCriterion class. This class compiles and evaluates an unvalidated, user-supplied regular expression against the identifier ...

PowSyBl Core Contains a Polynomial ReDoS in RegexCriterion

Impact What kind of vulnerability is it? Who is impacted? This is an advisory for a potential polynomial Regular Expression Denial of Service ReDoS vulnerability in the RegexCriterion class. This class compiles and evaluates an unvalidated, user-supplied regular expression against the identifier ...

PowSyBl Core contains Polynomial REDoS’es

Impact What kind of vulnerability is it? Who is impacted? This is an advisory for a potential polynomial Regular Expression Denial of Service ReDoS vulnerability in the PowSyBl's DataSource mechanism. When the listNamesString regex method is called on a DataSource, the user-supplied regular...