CVE-2021-23490: Inefficient Regular Expression Complexity

The package parse-link-header before 2.0.0 are vulnerable to Regular Expression Denial of Service ReDoS via the checkHeader function...

Code injection

lib/DatabaseLayer.py in cve-search before 4.1.0 allows regular expression injection, which can lead to ReDoS regular expression denial of service or other impacts...

CVE-2021-45470

lib/DatabaseLayer.py in cve-search before 4.1.0 allows regular expression injection, which can lead to ReDoS regular expression denial of service or other impacts...

CVE-2021-45470

The CVE-2021-45470 entry impacts cve-search prior to 4.1.0, where lib/DatabaseLayer.py is vulnerable to regular expression injection. This flaw can trigger ReDoS (regular expression denial of service) and potentially other impacts as described in multiple sources. Root cause is insufficient input...

CVE-2021-43854

NLTK Natural Language Toolkit is a suite of open source Python modules, data sets, and tutorials supporting research and development in Natural Language Processing. Versions prior to 3.6.5 are vulnerable to regular expression denial of service ReDoS attacks. The vulnerability is present in...

CVE-2021-43854

NLTK Natural Language Toolkit is a suite of open source Python modules, data sets, and tutorials supporting research and development in Natural Language Processing. Versions prior to 3.6.5 are vulnerable to regular expression denial of service ReDoS attacks. The vulnerability is present in...

PYSEC-2021-859

NLTK Natural Language Toolkit is a suite of open source Python modules, data sets, and tutorials supporting research and development in Natural Language Processing. Versions prior to 3.6.5 are vulnerable to regular expression denial of service ReDoS attacks. The vulnerability is present in...

Input validation

NLTK Natural Language Toolkit is a suite of open source Python modules, data sets, and tutorials supporting research and development in Natural Language Processing. Versions prior to 3.6.5 are vulnerable to regular expression denial of service ReDoS attacks. The vulnerability is present in...

CVE-2021-43854

NLTK Natural Language Toolkit is a suite of open source Python modules, data sets, and tutorials supporting research and development in Natural Language Processing. Versions prior to 3.6.5 are vulnerable to regular expression denial of service ReDoS attacks. The vulnerability is present in...

CVE-2021-43854 Inefficient Regular Expression Complexity in nltk

NLTK Natural Language Toolkit is a suite of open source Python modules, data sets, and tutorials supporting research and development in Natural Language Processing. Versions prior to 3.6.5 are vulnerable to regular expression denial of service ReDoS attacks. The vulnerability is present in...

CVE-2021-43854

CVE-2021-43854 affects the Python package NLTK. Versions prior to 3.6.5 are vulnerable to a Regular Expression Denial of Service (ReDoS) in the affected tokenizers: PunktSentenceTokenizer, sent_tokenize, and word_tokenize. The issue arises from inefficient regex backtracking on crafted inputs, ca...

CVE-2021-43854

NLTK Natural Language Toolkit is a suite of open source Python modules, data sets, and tutorials supporting research and development in Natural Language Processing. Versions prior to 3.6.5 are vulnerable to regular expression denial of service ReDoS attacks. The vulnerability is present in...

CVE-2021-43854

NLTK Natural Language Toolkit is a suite of open source Python modules, data sets, and tutorials supporting research and development in Natural Language Processing. Versions prior to 3.6.5 are vulnerable to regular expression denial of service ReDoS attacks. The vulnerability is present in...

PT-2021-24242 · Unknown · Cve-Search

Name of the Vulnerable Software and Affected Versions: cve-search versions prior to 4.1.0 Description: The issue in cve-search allows regular expression injection, which can lead to ReDoS regular expression denial of service or other impacts. This occurs in the lib/DatabaseLayer.py file...

PT-2021-23980

Name of the Vulnerable Software and Affected Versions: NLTK versions prior to 3.6.5 Description: The issue is related to regular expression denial of service ReDoS attacks, which can cause significant execution time when a specifically crafted long input is provided to vulnerable functions. The...

CVE-2021-45470: Inefficient Regular Expression Complexity

lib/DatabaseLayer.py in cve-search before 4.1.0 allows regular expression injection, which can lead to ReDoS regular expression denial of service or other impacts...

CVE-2021-43854: Uncontrolled Resource Consumption

NLTK Natural Language Toolkit is a suite of open source Python modules, data sets, and tutorials supporting research and development in Natural Language Processing. Versions prior to 3.6.5 are vulnerable to regular expression denial of service ReDoS attacks. The vulnerability is present in...

Inefficient Regular Expression Complexity in idank/explainshell

Description In the latest version of explainshell ebc5e9f2 I discovered regular expression that is vulnerable to ReDoS Regular Expression Denial of Service Proof of Concept PoC based on code in explainshell/options.py Python import logging import re if name == "main":...

Inefficient Regular Expression Complexity in python/cpython

Description In recent cpython version 31ff9671 I discovered regular expression that is vulnerable to ReDoS Regular Expression Denial of Service. Vulnerability exists in EntryPoint class which is used to parse package/module entry-points. Proof of Concept Simplified PoC based on init.py Python...

CVE-2021-43843

jsx-slack is a package for building JSON objects for Slack block kit surfaces from JSX. The maintainers found the patch for CVE-2021-43838 in jsx-slack v4.5.1 is insufficient tfor protection from a Regular Expression Denial of Service ReDoS attack. If an attacker can put a lot of JSX elements int...