VYPR

CWE-1333

Inefficient Regular Expression Complexity

BaseDraftLikelihood: High

Description

The product uses a regular expression with a worst-case computational complexity that is inefficient and possibly exponential.

Hierarchy (View 1000)

Parents

Children

none

Related attack patterns (CAPEC)

CAPEC-492

CVEs mapped to this weakness (497)

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  • CVE-2026-66062MedAug 7, 2026
    risk 0.27cvss 5.3epss 0.00

    SvelteKit is a framework for rapidly developing robust, performant web applications using Svelte. Prior to 2.70.2, the content negotiation header parser used by SvelteKit's request handling (for headers such as Accept) uses a regular expression vulnerable to quadratic…

  • CVE-2026-48125MedJul 14, 2026
    risk 0.27cvss 5.3epss 0.00

    UAParser.js is a JavaScript library to detect browsers, operating systems, CPUs, and devices from user-agent data. From 2.0.1 until 2.0.10, a regular expression denial-of-service vulnerability exists when using the Client Hints API. By sending a crafted Sec-CH-UA-Model header to…

  • CVE-2026-45409MedJun 5, 2026
    risk 0.27cvss 5.3epss 0.00

    Internationalized Domain Names in Applications (IDNA) for Python provides support for Internationalized Domain Names in Applications (IDNA) and Unicode IDNA Compatibility Processing. In versions prior to 3.15, payloads such as `"\u0660" * N` or `"\u30fb" * N + "\u6f22"` utilize…

  • CVE-2026-33169MedMar 24, 2026
    risk 0.27cvss 5.3epss 0.01

    Active Support is a toolkit of support libraries and Ruby core extensions extracted from the Rails framework. `NumberToDelimitedConverter` uses a lookahead-based regular expression with `gsub!` to insert thousands delimiters. Prior to versions 8.1.2.1, 8.0.4.1, and 7.2.3.1, the…

  • CVE-2026-22691MedJan 10, 2026
    risk 0.27cvss 5.3epss 0.00

    pypdf is a free and open-source pure-python PDF library. Prior to version 6.6.0, pypdf has possible long runtimes for malformed startxref. An attacker who uses this vulnerability can craft a PDF which leads to possibly long runtimes for invalid startxref entries. When rebuilding…

  • CVE-2025-68142MedDec 16, 2025
    risk 0.27cvss 5.3epss 0.00

    PyMdown Extensions is a set of extensions for the `Python-Markdown` markdown project. Versions prior to 10.16.1 have a ReDOS bug found within the figure caption extension (`pymdownx.blocks.caption`). In systems that take unchecked user content, this could cause long hanges when…

  • CVE-2025-6051MedSep 14, 2025
    risk 0.27cvss 5.3epss 0.00

    A Regular Expression Denial of Service (ReDoS) vulnerability was discovered in the Hugging Face Transformers library, specifically within the `normalize_numbers()` method of the `EnglishNormalizer` class. This vulnerability affects versions up to 4.52.4 and is fixed in version…

  • CVE-2025-55152MedAug 9, 2025
    risk 0.27cvss 5.3epss 0.00

    oak is a middleware framework for Deno's native HTTP server, Deno Deploy, Node.js 16.5 and later, Cloudflare Workers and Bun. In versions 17.1.5 and below, it's possible to significantly slow down an oak server with specially crafted values of the x-forwarded-proto or…

  • CVE-2025-5197MedAug 6, 2025
    risk 0.27cvss 5.3epss 0.00

    A Regular Expression Denial of Service (ReDoS) vulnerability exists in the Hugging Face Transformers library, specifically in the `convert_tf_weight_name_to_pt_weight_name()` function. This function, responsible for converting TensorFlow weight names to PyTorch format, uses a…

  • CVE-2025-3933MedJul 11, 2025
    risk 0.27cvss 5.3epss 0.00

    A Regular Expression Denial of Service (ReDoS) vulnerability was discovered in the Hugging Face Transformers library, specifically within the DonutProcessor class's `token2json()` method. This vulnerability affects versions 4.50.3 and earlier, and is fixed in version 4.52.1. The…

  • CVE-2025-3264MedJul 7, 2025
    risk 0.27cvss 5.3epss 0.00

    A Regular Expression Denial of Service (ReDoS) vulnerability was discovered in the Hugging Face Transformers library, specifically in the `get_imports()` function within `dynamic_module_utils.py`. This vulnerability affects versions 4.49.0 and is fixed in version 4.51.0. The…

  • CVE-2025-3263MedJul 7, 2025
    risk 0.27cvss 5.3epss 0.00

    A Regular Expression Denial of Service (ReDoS) vulnerability was discovered in the Hugging Face Transformers library, specifically in the `get_configuration_file()` function within the `transformers.configuration_utils` module. The affected version is 4.49.0, and the issue is…

  • CVE-2025-49007MedJun 4, 2025
    risk 0.27cvss 5.3epss 0.00

    Rack is a modular Ruby web server interface. Starting in version 3.1.0 and prior to version 3.1.16, there is a denial of service vulnerability in the Content-Disposition parsing component of Rack. This is very similar to the previous security issue CVE-2022-44571. Carefully…

  • CVE-2025-25289MedFeb 14, 2025
    risk 0.27cvss 5.3epss 0.01

    @octokit/request-error is an error class for Octokit request errors. Starting in version 1.0.0 and prior to version 6.1.7, a Regular Expression Denial of Service (ReDoS) vulnerability exists in the processing of HTTP request headers. By sending an authorization header containing…

  • CVE-2025-25288MedFeb 14, 2025
    risk 0.27cvss 5.3epss 0.01

    @octokit/plugin-paginate-rest is the Octokit plugin to paginate REST API endpoint responses. For versions starting in 1.0.0 and prior to 11.4.1 of the npm package `@octokit/plugin-paginate-rest`, when calling `octokit.paginate.iterator()`, a specially crafted `octokit`…

  • CVE-2025-25285MedFeb 14, 2025
    risk 0.27cvss 5.3epss 0.01

    @octokit/endpoint turns REST API endpoints into generic request options. Starting in version 4.1.0 and prior to version 10.1.3, by crafting specific `options` parameters, the `endpoint.parse(options)` call can be triggered, leading to a regular expression denial-of-service…

  • CVE-2024-9506LowOct 15, 2024
    risk 0.24cvss 3.7epss 0.01

    Improper regular expression in Vue's parseHTML function leads to a potential regular expression denial of service vulnerability.

  • CVE-2024-9277LowSep 27, 2024
    risk 0.23cvss 3.5epss 0.01

    A vulnerability classified as problematic was found in Langflow up to 1.0.18. Affected by this vulnerability is an unknown functionality of the file \src\backend\base\langflow\interface\utils.py of the component HTTP POST Request Handler. The manipulation of the argument…

  • CVE-2023-45813MedOct 18, 2023
    risk 0.23cvss 4.6epss 0.01

    Torbot is an open source tor network intelligence tool. In affected versions the `torbot.modules.validators.validate_link function` uses the python-validators URL validation regex. This particular regular expression has an exponential complexity which allows an attacker to cause…

  • CVE-2026-22809MedJan 13, 2026
    risk 0.22cvss 4.4epss 0.00

    tarteaucitron.js is a compliant and accessible cookie banner. Prior to 1.29.0, a Regular Expression Denial of Service (ReDoS) vulnerability was identified in tarteaucitron.js in the handling of the issuu_id parameter. This vulnerability is fixed in 1.29.0.