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-2025-5889LowJun 9, 2025
    risk 0.13cvss 3.1epss 0.01

    A vulnerability was found in juliangruber brace-expansion up to 1.1.11/2.0.1/3.0.0/4.0.0. It has been rated as problematic. Affected by this issue is the function expand of the file index.js. The manipulation leads to inefficient regular expression complexity. The attack may be…

  • CVE-2018-25049LowDec 27, 2022
    risk 0.13cvss 3.0epss 0.01

    A vulnerability was found in email-existence. It has been rated as problematic. Affected by this issue is some unknown functionality of the file index.js. The manipulation leads to inefficient regular expression complexity. The name of the patch is…

  • CVE-2025-69873LowFeb 11, 2026
    risk 0.12cvss 2.9epss 0.00

    ajv (Another JSON Schema Validator) before 8.18.0 is vulnerable to Regular Expression Denial of Service (ReDoS) when the $data option is enabled. The pattern keyword accepts runtime data via JSON Pointer syntax ($data reference), which is passed directly to the JavaScript…

  • CVE-2025-48059LowJun 20, 2025
    risk 0.11cvss epss 0.00

    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…

  • CVE-2024-28864LowMar 18, 2024
    risk 0.10cvss 2.6epss 0.00

    SecureProps is a PHP library designed to simplify the encryption and decryption of property data in objects. A vulnerability in SecureProps version 1.2.0 and 1.2.1 involves a regex failing to detect tags during decryption of encrypted data. This occurs when the encrypted data…

  • CVE-2026-16270MedJul 22, 2026
    risk 0.00cvss epss 0.00

    Open Mercato does not validate regex rules. An attacker with privileges to create the regex rule can add an unsafe regex to a field. When someone provide the proper string it can result in a DoS attack. This issue was fixed in version 0.6.4.

  • CVE-2026-49485HigJul 17, 2026
    risk 0.00cvss 7.5epss 0.00

    HAPI FHIR is a complete implementation of the HL7 FHIR standard for healthcare interoperability in Java. Prior to 6.9.9 and 6.9.4.2, all implementations of FHIRPathEngine accept arbitrary FHIRPath expressions and evaluate them without input validation, and the FHIRPath functions…

  • CVE-2026-62237MedJul 17, 2026
    risk 0.00cvss 6.5epss 0.00

    Grav before 2.0.4 contains a regular expression denial of service (ReDoS) vulnerability in the regex_replace filter and function, which are allowlisted in the Twig content sandbox. When Twig processing in page content is enabled (security.twig_content.process_enabled: true,…

  • CVE-2026-6850MedJul 13, 2026
    risk 0.00cvss 6.5epss 0.00

    Mattermost versions 11.7.x <= 11.7.2, 11.6.x <= 11.6.4, 10.11.x <= 10.11.19 fail to validate the length and content of message attachment field values, which allows an authenticated attacker to cause a denial of service for all users in a channel via a post containing a…

  • CVE-2026-57584HigJul 10, 2026
    risk 0.00cvss epss 0.00

    Phalcon is a high-performance, full-stack PHP framework. Prior to 5.15.0, every Phalcon MVC application built with a default router registers a built-in route whose compiled PCRE pattern contains the nested quantifier (/.), and the same construct is produced by the /:params…

  • CVE-2026-58578MedJul 2, 2026
    risk 0.00cvss 6.5epss 0.00

    LobeChat before version 2.2.10-canary.15 contains a regular expression denial of service (ReDoS) vulnerability that allows authenticated attackers to block the Node.js event loop by supplying a catastrophic-backtracking pattern in a GitHub repository URL path during skill…

  • CVE-2026-29076MedMar 7, 2026
    risk 0.00cvss 5.9epss 0.01

    cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to version 0.37.0, cpp-httplib uses std::regex (libstdc++) to parse RFC 5987 encoded filename* values in multipart Content-Disposition headers. The regex engine in libstdc++ implements…

  • CVE-2026-26006MedFeb 10, 2026
    risk 0.00cvss 6.5epss 0.00

    AutoGPT is a platform that allows users to create, deploy, and manage continuous artificial intelligence agents that automate complex workflows. The autogpt before 0.6.32 is vulnerable to Regular Expression Denial of Service due to the use of regex at Code Extraction Block. The…

  • CVE-2025-4215LowMay 2, 2025
    risk 0.00cvss 3.1epss 0.01

    A vulnerability was found in gorhill uBlock Origin up to 1.63.3b16. It has been classified as problematic. Affected is the function currentStateChanged of the file src/js/1p-filters.js of the component UI. The manipulation leads to inefficient regular expression complexity. It…

  • CVE-2025-2792lowMar 26, 2025
    risk 0.00cvss epss 0.01

    Specially crafted titles may have caused a regular expression to excessively backtrack and cause a local denial of service. Additional Details are [available at Bugzilla](https://bugzilla.mozilla.org/show_bug.cgi?id=1948833) Credit: DayShift

  • CVE-2024-6232HigSep 3, 2024
    risk 0.00cvss 7.5epss 0.02

    There is a MEDIUM severity vulnerability affecting CPython. Regular expressions that allowed excessive backtracking during tarfile.TarFile header parsing are vulnerable to ReDoS via specifically-crafted tar archives.

  • CVE-2023-7279LowSep 2, 2024
    risk 0.00cvss 2.6epss 0.01

    A vulnerability has been found in Secure Systems Engineering Connaisseur up to 3.3.0 and classified as problematic. This vulnerability affects unknown code of the file connaisseur/res/targets_schema.json of the component Delegation Name Handler. The manipulation leads to…

  • CVE-2024-7592HigAug 19, 2024
    risk 0.00cvss 7.5epss 0.02

    There is a LOW severity vulnerability affecting CPython, specifically the 'http.cookies' standard library module. When parsing cookies that contained backslashes for quoted characters in the cookie value, the parser would use an algorithm with quadratic complexity, resulting…

  • CVE-2024-6038HigJun 27, 2024
    risk 0.00cvss 7.5epss 0.01

    A Regular Expression Denial of Service (ReDoS) vulnerability exists in the latest version of gaizhenbiao/chuanhuchatgpt. The vulnerability is located in the filter_history function within the utils.py module. This function takes a user-provided keyword and attempts to match it…

  • CVE-2024-27088NonFeb 26, 2024
    risk 0.00cvss 0.0epss 0.01

    es5-ext contains ECMAScript 5 extensions. Passing functions with very long names or complex default argument names into `function#copy` or `function#toStringTokens` may cause the script to stall. The vulnerability is patched in v0.10.63.