CWE-1333
Inefficient Regular Expression Complexity
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 (535)
page 25 of 27| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2019-25103 | Med | 0.21 | 4.3 | 0.01 | Feb 12, 2023 | A vulnerability has been found in simple-markdown 0.5.1 and classified as problematic. Affected by this vulnerability is an unknown functionality of the file simple-markdown.js. The manipulation leads to inefficient regular expression complexity. The attack can be launched… | ||
| CVE-2019-25102 | Med | 0.21 | 4.3 | 0.01 | Feb 12, 2023 | A vulnerability, which was classified as problematic, was found in simple-markdown 0.6.0. Affected is an unknown function of the file simple-markdown.js. The manipulation with the input <<<<<<<<<<:/:/:/:/:/:/:/:/:/:/ leads to inefficient regular expression complexity. It is… | ||
| CVE-2018-25079 | Med | 0.21 | 4.3 | 0.01 | Feb 4, 2023 | A vulnerability was found in Segmentio is-url up to 1.2.2. 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 attack may be launched remotely.… | ||
| CVE-2017-20162 | Med | 0.21 | 4.3 | 0.01 | Jan 5, 2023 | A vulnerability, which was classified as problematic, has been found in vercel ms up to 1.x. This issue affects the function parse of the file index.js. The manipulation of the argument str leads to inefficient regular expression complexity. The attack may be initiated remotely.… | ||
| CVE-2021-4299 | Med | 0.21 | 4.3 | 0.01 | Jan 2, 2023 | A vulnerability classified as problematic was found in cronvel string-kit up to 0.12.7. This vulnerability affects the function naturalSort of the file lib/naturalSort.js. The manipulation leads to inefficient regular expression complexity. The attack can be initiated remotely.… | ||
| CVE-2018-25061 | Med | 0.21 | 4.3 | 0.01 | Dec 31, 2022 | A vulnerability was found in rgb2hex up to 0.1.5. It has been rated as problematic. This issue affects some unknown processing. The manipulation leads to inefficient regular expression complexity. The attack may be initiated remotely. Upgrading to version 0.1.6 is able to… | ||
| CVE-2026-35041 | Med | 0.20 | 4.2 | 0.00 | Apr 9, 2026 | fast-jwt provides fast JSON Web Token (JWT) implementation. From 5.0.0 to 6.2.0, a denial-of-service condition exists in fast-jwt when the allowedAud verification option is configured using a regular expression. Because the aud claim is attacker-controlled and the library… | ||
| CVE-2024-6434 | Low | 0.20 | 3.1 | 0.01 | Jul 4, 2024 | The Premium Addons for Elementor plugin for WordPress is vulnerable to Regular Expression Denial of Service (ReDoS) in all versions up to, and including, 4.10.35. This is due to processing user-supplied input as a regular expression. This makes it possible for authenticated… | ||
| CVE-2025-27220 | Med | 0.19 | 4.0 | 0.01 | Mar 4, 2025 | In the CGI gem before 0.4.2 for Ruby, a Regular Expression Denial of Service (ReDoS) vulnerability exists in the Util#escapeElement method. | ||
| CVE-2025-3985 | Low | 0.18 | 2.7 | 0.01 | Apr 27, 2025 | A vulnerability was found in Apereo CAS 5.2.6. It has been classified as problematic. This affects the function ResponseEntity of the file cas-5.2.6\webapp-mgmt\cas-management-webapp-support\src\main\java\org\apereo\cas\mgmt\services\web\ManageRegisteredServicesMultiActionControl… | ||
| CVE-2026-81725 | Low | 0.17 | 3.7 | 0.00 | Aug 27, 2026 | NLTK before 3.10.3 contains a regular expression denial of service vulnerability in Pl196xCorpusReader that allows attackers to cause quadratic CPU consumption by supplying malformed TEI blocks with many unmatched opening tags. Attackers can exploit lazy regex patterns in the… | ||
| CVE-2026-41848 | Low | 0.17 | 3.7 | 0.00 | Jun 9, 2026 | Applications may be vulnerable to a Regular Expression Denial of Service (ReDoS) attack if an attacker is able to provide a pattern which is then directly or indirectly supplied to one of the following methods in AntPathMatcher: match(String pattern, String path),… | ||
| CVE-2025-4727 | Low | 0.17 | 3.7 | 0.01 | May 15, 2025 | A vulnerability was found in Meteor up to 3.2.1 and classified as problematic. This issue affects the function Object.assign of the file packages/ddp-server/livedata_server.js. The manipulation of the argument forwardedFor leads to inefficient regular expression complexity. The… | ||
| CVE-2023-7279 | Low | 0.17 | 2.6 | 0.01 | Sep 2, 2024 | 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-2023-26112 | Low | 0.17 | 3.7 | 0.01 | Apr 3, 2023 | All versions of the package configobj are vulnerable to Regular Expression Denial of Service (ReDoS) via the validate function, using (.+?)\((.*)\). **Note:** This is only exploitable in the case of a developer, putting the offending value in a server side configuration file. | ||
| CVE-2022-42965 | Low | 0.17 | 3.7 | 0.01 | Nov 9, 2022 | An exponential ReDoS (Regular Expression Denial of Service) can be triggered in the snowflake-connector-python PyPI package, when an attacker is able to supply arbitrary input to the undocumented get_file_transfer_type method | ||
| CVE-2021-4437 | Low | 0.16 | 3.5 | 0.00 | Feb 12, 2024 | A vulnerability, which was classified as problematic, has been found in dbartholomae lambda-middleware frameguard up to 1.0.4. Affected by this issue is some unknown functionality of the file packages/json-deserializer/src/JsonDeserializer.ts of the component JSON Mime-Type… | ||
| CVE-2018-25077 | Low | 0.16 | 3.5 | 0.01 | Jan 18, 2023 | A vulnerability was found in melnaron mel-spintax. It has been rated as problematic. Affected by this issue is some unknown functionality of the file lib/spintax.js. The manipulation of the argument text leads to inefficient regular expression complexity. The name of the patch… | ||
| CVE-2022-4891 | Low | 0.16 | 3.5 | 0.01 | Jan 17, 2023 | A vulnerability has been found in Sisimai up to 4.25.14p11 and classified as problematic. This vulnerability affects the function to_plain of the file lib/sisimai/string.rb. The manipulation leads to inefficient regular expression complexity. The exploit has been disclosed to… | ||
| CVE-2020-36649 | Low | 0.16 | 3.5 | 0.01 | Jan 11, 2023 | A vulnerability was found in mholt PapaParse up to 5.1.x. It has been classified as problematic. Affected is an unknown function of the file papaparse.js. The manipulation leads to inefficient regular expression complexity. Upgrading to version 5.2.0 is able to address this… |
- risk 0.21cvss 4.3epss 0.01
A vulnerability has been found in simple-markdown 0.5.1 and classified as problematic. Affected by this vulnerability is an unknown functionality of the file simple-markdown.js. The manipulation leads to inefficient regular expression complexity. The attack can be launched…
- risk 0.21cvss 4.3epss 0.01
A vulnerability, which was classified as problematic, was found in simple-markdown 0.6.0. Affected is an unknown function of the file simple-markdown.js. The manipulation with the input <<<<<<<<<<:/:/:/:/:/:/:/:/:/:/ leads to inefficient regular expression complexity. It is…
- risk 0.21cvss 4.3epss 0.01
A vulnerability was found in Segmentio is-url up to 1.2.2. 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 attack may be launched remotely.…
- risk 0.21cvss 4.3epss 0.01
A vulnerability, which was classified as problematic, has been found in vercel ms up to 1.x. This issue affects the function parse of the file index.js. The manipulation of the argument str leads to inefficient regular expression complexity. The attack may be initiated remotely.…
- risk 0.21cvss 4.3epss 0.01
A vulnerability classified as problematic was found in cronvel string-kit up to 0.12.7. This vulnerability affects the function naturalSort of the file lib/naturalSort.js. The manipulation leads to inefficient regular expression complexity. The attack can be initiated remotely.…
- risk 0.21cvss 4.3epss 0.01
A vulnerability was found in rgb2hex up to 0.1.5. It has been rated as problematic. This issue affects some unknown processing. The manipulation leads to inefficient regular expression complexity. The attack may be initiated remotely. Upgrading to version 0.1.6 is able to…
- risk 0.20cvss 4.2epss 0.00
fast-jwt provides fast JSON Web Token (JWT) implementation. From 5.0.0 to 6.2.0, a denial-of-service condition exists in fast-jwt when the allowedAud verification option is configured using a regular expression. Because the aud claim is attacker-controlled and the library…
- risk 0.20cvss 3.1epss 0.01
The Premium Addons for Elementor plugin for WordPress is vulnerable to Regular Expression Denial of Service (ReDoS) in all versions up to, and including, 4.10.35. This is due to processing user-supplied input as a regular expression. This makes it possible for authenticated…
- risk 0.19cvss 4.0epss 0.01
In the CGI gem before 0.4.2 for Ruby, a Regular Expression Denial of Service (ReDoS) vulnerability exists in the Util#escapeElement method.
- risk 0.18cvss 2.7epss 0.01
A vulnerability was found in Apereo CAS 5.2.6. It has been classified as problematic. This affects the function ResponseEntity of the file cas-5.2.6\webapp-mgmt\cas-management-webapp-support\src\main\java\org\apereo\cas\mgmt\services\web\ManageRegisteredServicesMultiActionControl…
- risk 0.17cvss 3.7epss 0.00
NLTK before 3.10.3 contains a regular expression denial of service vulnerability in Pl196xCorpusReader that allows attackers to cause quadratic CPU consumption by supplying malformed TEI blocks with many unmatched opening tags. Attackers can exploit lazy regex patterns in the…
- risk 0.17cvss 3.7epss 0.00
Applications may be vulnerable to a Regular Expression Denial of Service (ReDoS) attack if an attacker is able to provide a pattern which is then directly or indirectly supplied to one of the following methods in AntPathMatcher: match(String pattern, String path),…
- risk 0.17cvss 3.7epss 0.01
A vulnerability was found in Meteor up to 3.2.1 and classified as problematic. This issue affects the function Object.assign of the file packages/ddp-server/livedata_server.js. The manipulation of the argument forwardedFor leads to inefficient regular expression complexity. The…
- risk 0.17cvss 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…
- risk 0.17cvss 3.7epss 0.01
All versions of the package configobj are vulnerable to Regular Expression Denial of Service (ReDoS) via the validate function, using (.+?)\((.*)\). **Note:** This is only exploitable in the case of a developer, putting the offending value in a server side configuration file.
- risk 0.17cvss 3.7epss 0.01
An exponential ReDoS (Regular Expression Denial of Service) can be triggered in the snowflake-connector-python PyPI package, when an attacker is able to supply arbitrary input to the undocumented get_file_transfer_type method
- risk 0.16cvss 3.5epss 0.00
A vulnerability, which was classified as problematic, has been found in dbartholomae lambda-middleware frameguard up to 1.0.4. Affected by this issue is some unknown functionality of the file packages/json-deserializer/src/JsonDeserializer.ts of the component JSON Mime-Type…
- risk 0.16cvss 3.5epss 0.01
A vulnerability was found in melnaron mel-spintax. It has been rated as problematic. Affected by this issue is some unknown functionality of the file lib/spintax.js. The manipulation of the argument text leads to inefficient regular expression complexity. The name of the patch…
- risk 0.16cvss 3.5epss 0.01
A vulnerability has been found in Sisimai up to 4.25.14p11 and classified as problematic. This vulnerability affects the function to_plain of the file lib/sisimai/string.rb. The manipulation leads to inefficient regular expression complexity. The exploit has been disclosed to…
- risk 0.16cvss 3.5epss 0.01
A vulnerability was found in mholt PapaParse up to 5.1.x. It has been classified as problematic. Affected is an unknown function of the file papaparse.js. The manipulation leads to inefficient regular expression complexity. Upgrading to version 5.2.0 is able to address this…