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-2021-21391

CKEditor 5 provides a WYSIWYG editing solution. This CVE affects the following npm packages: ckeditor5-engine, ckeditor5-font, ckeditor5-image, ckeditor5-list, ckeditor5-markdown-gfm, ckeditor5-media-embed, ckeditor5-paste-from-office, and ckeditor5-widget. Following an internal audit, a regular...

CVE-2021-38244

A regular expression denial of service ReDoS vulnerability exits in cbioportal 3.6.21 and older via a POST request to /ProteinArraySignificanceTest.json...

CVE-2021-41118

The DynamicPageList3 extension is a reporting tool for MediaWiki, listing category members and intersections with various formats and details. In affected versions unsanitised input of regular expression date within the parameters of the DPL parser function, allowed for the possibility of ReDoS...

CVE-2021-32848

Octobox is software for managing GitHub notifications. Prior to pull request PR 2807, a user of the system can provide a specifically crafted search query string that will trigger a ReDoS vulnerability. This issue is fixed in PR 2807...

CVE-2021-33580

User controlled request.getHeader"Referer", request.getRequestURL and request.getQueryString are used to build and run a regex expression. The attacker doesn't have to use a browser and may send a specially crafted Referer header programmatically. Since the attacker controls the string and the...

CVE-2021-36716

A ReDoS regular expression denial of service flaw was found in the Segment is-email package before 1.0.1 for Node.js. An attacker that is able to provide crafted input to the isEmailinput function may cause an application to consume an excessive amount of CPU...

CVE-2021-27405

A ReDoS regular expression denial of service flaw was found in the @progfay/scrapbox-parser package before 6.0.3 for Node.js...

CVE-2021-40660

An issue was discovered in Delight Nashorn Sandbox 0.2.0. There is an ReDoS vulnerability that can be exploited to launching a denial of service DoS attack...

CVE-2021-40896

A Regular Expression Denial of Service ReDOS vulnerability was discovered in that-value v0.1.3 when validating crafted invalid emails...

CVE-2020-23469

gmate v0.12+bionic contains a regular expression denial of service ReDoS vulnerability in the gedit3 plugin...

CVE-2020-23478

Leo Editor v6.2.1 was discovered to contain a regular expression denial of service ReDoS vulnerability in the component plugins/importers/dart.py...

CVE-2025-2099

CVE-2025-2099 describes a ReDoS in huggingface/transformers v4.48.3 due to a nested-quantifier regex in preprocess_string() within transformers.testing_utils. The issue causes exponential backtracking on input with many newlines, leading to high CPU usage and potential DoS. Connected documents co...

CVE-2025-2099 Regular Expression Denial of Service (ReDoS) in huggingface/transformers

A vulnerability in the preprocessstring function of the transformers.testingutils module in huggingface/transformers version v4.48.3 allows for a Regular Expression Denial of Service ReDoS attack. The regular expression used to process code blocks in docstrings contains nested quantifiers, leadin...

PT-2025-21933 · Hugging Face · Transformers

Name of the Vulnerable Software and Affected Versions: huggingface/transformers version v4.48.3 Description: A vulnerability in the preprocess string function of the transformers.testing utils module allows for a Regular Expression Denial of Service ReDoS attack. The regular expression used to...

EulerOS Virtualization 2.12.0 : python3 (EulerOS-SA-2025-1572)

According to the versions of the python3 packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : There is a MEDIUM severity vulnerability affecting CPython. The socket module provides a pure- Python fallback to the...

CVE-2025-24026

iTop is an web based IT Service Management tool. Versions prior to 3.2.1 are vulnerable to regular expression denial of service ReDoS that may, under some circumstances, affect iTop server. Version 3.2.1 doesn't use the affected variable in the regular expression. As a workaround, if iTop...

CVE-2025-24026

CVE-2025-24026 concerns iTop, a web-based ITSM tool. Versions prior to 3.2.1 are vulnerable to a regular expression denial of service (ReDoS) that may affect the iTop server under certain circumstances; the issue stems from using an affected variable in a regex. Version 3.2.1 does not use the vul...

CVE-2025-24026 iTop Inefficient Regular Expression Complexity vulnerability

iTop is an web based IT Service Management tool. Versions prior to 3.2.1 are vulnerable to regular expression denial of service ReDoS that may, under some circumstances, affect iTop server. Version 3.2.1 doesn't use the affected variable in the regular expression. As a workaround, if iTop...

CVE-2025-24026 iTop Inefficient Regular Expression Complexity vulnerability

iTop is an web based IT Service Management tool. Versions prior to 3.2.1 are vulnerable to regular expression denial of service ReDoS that may, under some circumstances, affect iTop server. Version 3.2.1 doesn't use the affected variable in the regular expression. As a workaround, if iTop...