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Vulnerability Details :

CVE-2026-1388

Summary
Assigner-GitLab
Assigner Org ID-ceab7361-8a18-47b1-92ba-4d7d25f6715a
Published At-25 Feb, 2026 | 20:05
Updated At-26 Feb, 2026 | 15:07
Rejected At-
Credits

Inefficient Regular Expression Complexity in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 9.2 before 18.7.5, 18.8 before 18.8.5, and 18.9 before 18.9.1 that could have allowed an unauthenticated user to cause regular expression denial of service by sending specially crafted input to a merge request endpoint under certain conditions.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:GitLab
Assigner Org ID:ceab7361-8a18-47b1-92ba-4d7d25f6715a
Published At:25 Feb, 2026 | 20:05
Updated At:26 Feb, 2026 | 15:07
Rejected At:
▼CVE Numbering Authority (CNA)
Inefficient Regular Expression Complexity in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 9.2 before 18.7.5, 18.8 before 18.8.5, and 18.9 before 18.9.1 that could have allowed an unauthenticated user to cause regular expression denial of service by sending specially crafted input to a merge request endpoint under certain conditions.

Affected Products
Vendor
GitLab Inc.GitLab
Product
GitLab
Repo
git://git@gitlab.com:gitlab-org/gitlab.git
CPEs
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Default Status
unaffected
Versions
Affected
  • From 9.2 before 18.7.5 (semver)
  • From 18.8 before 18.8.5 (semver)
  • From 18.9 before 18.9.1 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-1333CWE-1333: Inefficient Regular Expression Complexity
Type: CWE
CWE ID: CWE-1333
Description: CWE-1333: Inefficient Regular Expression Complexity
Metrics
VersionBase scoreBase severityVector
3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Version: 3.1
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Upgrade to versions 18.7.5, 18.8.5, 18.9.1 or above.

Configurations

Workarounds

Exploits

Credits

finder
Thanks [sim4n6](https://hackerone.com/sim4n6) for reporting this vulnerability through our HackerOne bug bounty program
Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://gitlab.com/gitlab-org/gitlab/-/issues/587560
issue-tracking
permissions-required
https://hackerone.com/reports/3482893
technical-description
exploit
permissions-required
https://about.gitlab.com/releases/2026/02/25/patch-release-gitlab-18-9-1-released/
N/A
Hyperlink: https://gitlab.com/gitlab-org/gitlab/-/issues/587560
Resource:
issue-tracking
permissions-required
Hyperlink: https://hackerone.com/reports/3482893
Resource:
technical-description
exploit
permissions-required
Hyperlink: https://about.gitlab.com/releases/2026/02/25/patch-release-gitlab-18-9-1-released/
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cve@gitlab.com
Published At:25 Feb, 2026 | 21:16
Updated At:28 Feb, 2026 | 00:45

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 9.2 before 18.7.5, 18.8 before 18.8.5, and 18.9 before 18.9.1 that could have allowed an unauthenticated user to cause regular expression denial of service by sending specially crafted input to a merge request endpoint under certain conditions.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Type: Secondary
Version: 3.1
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CPE Matches

GitLab Inc.
gitlab
>>gitlab>>Versions from 9.2.0(inclusive) to 18.7.5(exclusive)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
GitLab Inc.
gitlab
>>gitlab>>Versions from 9.2.0(inclusive) to 18.7.5(exclusive)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
GitLab Inc.
gitlab
>>gitlab>>Versions from 18.8.0(inclusive) to 18.8.5(exclusive)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
GitLab Inc.
gitlab
>>gitlab>>Versions from 18.8.0(inclusive) to 18.8.5(exclusive)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
GitLab Inc.
gitlab
>>gitlab>>18.9.0
cpe:2.3:a:gitlab:gitlab:18.9.0:*:*:*:community:*:*:*
GitLab Inc.
gitlab
>>gitlab>>18.9.0
cpe:2.3:a:gitlab:gitlab:18.9.0:*:*:*:enterprise:*:*:*
Weaknesses
CWE IDTypeSource
CWE-1333Primarycve@gitlab.com
CWE ID: CWE-1333
Type: Primary
Source: cve@gitlab.com
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://about.gitlab.com/releases/2026/02/25/patch-release-gitlab-18-9-1-released/cve@gitlab.com
Release Notes
Vendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/587560cve@gitlab.com
Broken Link
https://hackerone.com/reports/3482893cve@gitlab.com
Permissions Required
Hyperlink: https://about.gitlab.com/releases/2026/02/25/patch-release-gitlab-18-9-1-released/
Source: cve@gitlab.com
Resource:
Release Notes
Vendor Advisory
Hyperlink: https://gitlab.com/gitlab-org/gitlab/-/issues/587560
Source: cve@gitlab.com
Resource:
Broken Link
Hyperlink: https://hackerone.com/reports/3482893
Source: cve@gitlab.com
Resource:
Permissions Required

Change History

0
Information is not available yet

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CVE-2025-3986
Matching Score-4
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Matching Score-4
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Vendor-pyuppyupio
Product-dependency_parserdparse
CWE ID-CWE-400
Uncontrolled Resource Consumption
CWE ID-CWE-1333
Inefficient Regular Expression Complexity
CVE-2022-40023
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.95% / 76.11%
||
7 Day CHG~0.00%
Published-07 Sep, 2022 | 00:00
Updated-03 Dec, 2025 | 07:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

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Vendor-sqlalchemyn/aDebian GNU/Linux
Product-makodebian_linuxn/a
CWE ID-CWE-1333
Inefficient Regular Expression Complexity
CVE-2018-25079
Matching Score-4
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||
7 Day CHG~0.00%
Published-04 Feb, 2023 | 03:57
Updated-05 Aug, 2024 | 12:33
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Segmentio is-url index.js redos

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. Upgrading to version 1.2.3 is able to address this issue. The patch is identified as 149550935c63a98c11f27f694a7c4a9479e53794. It is recommended to upgrade the affected component. VDB-220058 is the identifier assigned to this vulnerability.

Action-Not Available
Vendor-segmentSegmentio
Product-is-urlis-url
CWE ID-CWE-1333
Inefficient Regular Expression Complexity
CVE-2025-3262
Matching Score-4
Assigner-Protect AI (formerly huntr.dev)
ShareView Details
Matching Score-4
Assigner-Protect AI (formerly huntr.dev)
CVSS Score-5.3||MEDIUM
EPSS-0.11% / 30.06%
||
7 Day CHG~0.00%
Published-07 Jul, 2025 | 09:54
Updated-02 Aug, 2025 | 01:20
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Regular Expression Denial of Service (ReDoS) in huggingface/transformers

A Regular Expression Denial of Service (ReDoS) vulnerability was discovered in the huggingface/transformers repository, specifically in version 4.49.0. The vulnerability is due to inefficient regular expression complexity in the `SETTING_RE` variable within the `transformers/commands/chat.py` file. The regex contains repetition groups and non-optimized quantifiers, leading to exponential backtracking when processing 'almost matching' payloads. This can degrade application performance and potentially result in a denial-of-service (DoS) when handling specially crafted input strings. The issue is fixed in version 4.51.0.

Action-Not Available
Vendor-huggingfacehuggingface
Product-transformershuggingface/transformers
CWE ID-CWE-1333
Inefficient Regular Expression Complexity
CVE-2018-25049
Matching Score-4
Assigner-VulDB
ShareView Details
Matching Score-4
Assigner-VulDB
CVSS Score-3||LOW
EPSS-0.44% / 62.89%
||
7 Day CHG~0.00%
Published-27 Dec, 2022 | 08:10
Updated-11 Apr, 2025 | 16:47
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
email-existence index.js redos

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 0029ba71b6ad0d8ec0baa2ecc6256d038bdd9b56. It is recommended to apply a patch to fix this issue. VDB-216854 is the identifier assigned to this vulnerability.

Action-Not Available
Vendor-email-existence_projectn/a
Product-email-existenceemail-existence
CWE ID-CWE-1333
Inefficient Regular Expression Complexity
CVE-2025-33090
Matching Score-4
Assigner-IBM Corporation
ShareView Details
Matching Score-4
Assigner-IBM Corporation
CVSS Score-7.5||HIGH
EPSS-0.11% / 29.71%
||
7 Day CHG~0.00%
Published-18 Aug, 2025 | 14:01
Updated-21 Aug, 2025 | 19:25
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
IBM Concert Software denial of service

IBM Concert Software 1.0.0 through 1.1.0 could allow a remote attacker to cause a denial of service using a specially crafted regular expression that would cause excessive resource consumption.

Action-Not Available
Vendor-IBM Corporation
Product-concertConcert Software
CWE ID-CWE-1333
Inefficient Regular Expression Complexity
CVE-2022-37262
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.35% / 56.94%
||
7 Day CHG~0.00%
Published-15 Sep, 2022 | 15:37
Updated-03 Aug, 2024 | 10:29
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A Regular Expression Denial of Service (ReDoS) flaw was found in stealjs steal 2.2.4 via the source and sourceWithComments variable in main.js.

Action-Not Available
Vendor-stealjsn/a
Product-stealn/a
CWE ID-CWE-1333
Inefficient Regular Expression Complexity
CVE-2022-37620
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.48% / 64.75%
||
7 Day CHG~0.00%
Published-31 Oct, 2022 | 00:00
Updated-01 Jun, 2025 | 14:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A Regular Expression Denial of Service (ReDoS) flaw was found in kangax html-minifier 4.0.0 because of the reCustomIgnore regular expression.

Action-Not Available
Vendor-kangaxtersern/a
Product-html-minifier-terserhtml-minifiern/a
CWE ID-CWE-1333
Inefficient Regular Expression Complexity
CVE-2022-37603
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-1.00% / 76.71%
||
7 Day CHG~0.00%
Published-14 Oct, 2022 | 00:00
Updated-15 May, 2025 | 15:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A Regular expression denial of service (ReDoS) flaw was found in Function interpolateName in interpolateName.js in webpack loader-utils 2.0.0 via the url variable in interpolateName.js.

Action-Not Available
Vendor-n/aWebpack (OpenJS Foundation)
Product-loader-utilsn/a
CWE ID-CWE-1333
Inefficient Regular Expression Complexity
CVE-2022-37259
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.35% / 56.94%
||
7 Day CHG~0.00%
Published-20 Sep, 2022 | 17:31
Updated-28 May, 2025 | 19:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A Regular Expression Denial of Service (ReDoS) flaw was found in stealjs steal 2.2.4 via the string variable in babel.js.

Action-Not Available
Vendor-stealjsn/a
Product-stealn/a
CWE ID-CWE-1333
Inefficient Regular Expression Complexity
CVE-2022-37599
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-3.20% / 86.78%
||
7 Day CHG~0.00%
Published-11 Oct, 2022 | 00:00
Updated-04 Nov, 2025 | 19:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A Regular expression denial of service (ReDoS) flaw was found in Function interpolateName in interpolateName.js in webpack loader-utils 2.0.0 via the resourcePath variable in interpolateName.js.

Action-Not Available
Vendor-n/aWebpack (OpenJS Foundation)
Product-loader-utilsn/a
CWE ID-CWE-1333
Inefficient Regular Expression Complexity
CVE-2022-3517
Matching Score-4
Assigner-Red Hat, Inc.
ShareView Details
Matching Score-4
Assigner-Red Hat, Inc.
CVSS Score-7.5||HIGH
EPSS-0.45% / 63.32%
||
7 Day CHG~0.00%
Published-17 Oct, 2022 | 00:00
Updated-13 May, 2025 | 14:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A vulnerability was found in the minimatch package. This flaw allows a Regular Expression Denial of Service (ReDoS) when calling the braceExpand function with specific arguments, resulting in a Denial of Service.

Action-Not Available
Vendor-minimatch_projectn/aFedora ProjectDebian GNU/Linux
Product-debian_linuxfedoraminimatchminimatch
CWE ID-CWE-1333
Inefficient Regular Expression Complexity
CWE ID-CWE-400
Uncontrolled Resource Consumption
CVE-2024-28865
Matching Score-4
Assigner-GitHub, Inc.
ShareView Details
Matching Score-4
Assigner-GitHub, Inc.
CVSS Score-7.5||HIGH
EPSS-0.18% / 40.07%
||
7 Day CHG~0.00%
Published-18 Mar, 2024 | 21:53
Updated-13 Jan, 2026 | 15:21
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
django-wiki denial of service via regular expression

django-wiki is a wiki system for Django. Installations of django-wiki prior to version 0.10.1 are vulnerable to maliciously crafted article content that can cause severe use of server CPU through a regular expression loop. Version 0.10.1 fixes this issue. As a workaround, close off access to create and edit articles by anonymous users.

Action-Not Available
Vendor-django-wiki_projectdjango-wikidjango-wiki_project
Product-django-wikidjango-wikidjango-wiki
CWE ID-CWE-1333
Inefficient Regular Expression Complexity
CVE-2022-35923
Matching Score-4
Assigner-GitHub, Inc.
ShareView Details
Matching Score-4
Assigner-GitHub, Inc.
CVSS Score-7.5||HIGH
EPSS-0.43% / 61.79%
||
7 Day CHG~0.00%
Published-02 Aug, 2022 | 20:10
Updated-22 Apr, 2025 | 17:45
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Inefficient Regular Expression Complexity in v8n

v8n is a javascript validation library. Versions of v8n prior to 1.5.1 were found to have an inefficient regular expression complexity in the `lowercase()` and `uppercase()` regex which could lead to a denial of service attack. In testing of the `lowercase()` function a payload of 'a' + 'a'.repeat(i) + 'A' with 32 leading characters took 29443 ms to execute. The same issue happens with uppercase(). Users are advised to upgrade. There are no known workarounds for this issue.

Action-Not Available
Vendor-v8n_projectimbrn
Product-v8nv8n
CWE ID-CWE-400
Uncontrolled Resource Consumption
CWE ID-CWE-1333
Inefficient Regular Expression Complexity
CVE-2022-36034
Matching Score-4
Assigner-GitHub, Inc.
ShareView Details
Matching Score-4
Assigner-GitHub, Inc.
CVSS Score-7.5||HIGH
EPSS-0.33% / 55.86%
||
7 Day CHG+0.02%
Published-29 Aug, 2022 | 16:50
Updated-23 Apr, 2025 | 17:47
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Possible Regular Expression Denial of Service (ReDoS) used on uncontrolled data in nitrado.js

nitrado.js is a type safe wrapper for the Nitrado API. Possible ReDoS with lib input of `{{` and with many repetitions of `{{|`. This issue has been patched in all versions above `0.2.5`. There are currently no known workarounds.

Action-Not Available
Vendor-nitrado.js_projectcainthebest
Product-nitrado.jsnitrado.js
CWE ID-CWE-1333
Inefficient Regular Expression Complexity
CWE ID-CWE-400
Uncontrolled Resource Consumption
CVE-2024-4056
Matching Score-4
Assigner-M-Files Corporation
ShareView Details
Matching Score-4
Assigner-M-Files Corporation
CVSS Score-7.5||HIGH
EPSS-0.39% / 59.87%
||
7 Day CHG+0.04%
Published-26 Apr, 2024 | 06:02
Updated-23 Feb, 2026 | 11:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Denial of service condition in M-Files Server

Denial of service condition in M-Files Server in versions before 24.4.13592.4 and after 23.11 (excluding 24.2 LTS) allows unauthenticated user to consume computing resources.

Action-Not Available
Vendor-M-Files Oy
Product-m-files_serverM-Files Serverm-files_server
CWE ID-CWE-1333
Inefficient Regular Expression Complexity
CVE-2024-23732
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.07% / 21.90%
||
7 Day CHG~0.00%
Published-21 Jan, 2024 | 00:00
Updated-20 Jun, 2025 | 19:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The JSON loader in Embedchain before 0.1.57 allows a ReDoS (regular expression denial of service) via a long string to json.py.

Action-Not Available
Vendor-embedchainn/a
Product-embedchainn/a
CWE ID-CWE-1333
Inefficient Regular Expression Complexity
CVE-2020-26303
Matching Score-4
Assigner-GitHub, Inc.
ShareView Details
Matching Score-4
Assigner-GitHub, Inc.
CVSS Score-8.7||HIGH
EPSS-0.12% / 31.41%
||
7 Day CHG~0.00%
Published-26 Oct, 2024 | 20:26
Updated-13 Nov, 2024 | 19:55
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
GHSL-2020-289: Regular Expression Denial of Service (ReDoS) in insane

insane is a whitelist-oriented HTML sanitizer. Versions 2.6.2 and prior contain one or more regular expressions that are vulnerable to Regular Expression Denial of Service (ReDoS). As of time of publication, no known patches are available.

Action-Not Available
Vendor-bevacquabevacquabevacqua
Product-insaneinsaneinsane
CWE ID-CWE-1333
Inefficient Regular Expression Complexity
CVE-2024-22640
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-1.29% / 79.41%
||
7 Day CHG~0.00%
Published-19 Apr, 2024 | 00:00
Updated-04 Nov, 2025 | 18:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

TCPDF version <=6.6.5 is vulnerable to ReDoS (Regular Expression Denial of Service) if parsing an untrusted HTML page with a crafted color.

Action-Not Available
Vendor-tcpdf_projectn/atcpdf_projectFedora Project
Product-fedoratcpdfn/atcpdf
CWE ID-CWE-1333
Inefficient Regular Expression Complexity
CVE-2024-21490
Matching Score-4
Assigner-Snyk
ShareView Details
Matching Score-4
Assigner-Snyk
CVSS Score-7.5||HIGH
EPSS-1.67% / 81.85%
||
7 Day CHG~0.00%
Published-10 Feb, 2024 | 05:00
Updated-03 Nov, 2025 | 20:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

This affects versions of the package angular from 1.3.0. A regular expression used to split the value of the ng-srcset directive is vulnerable to super-linear runtime due to backtracking. With large carefully-crafted input, this can result in catastrophic backtracking and cause a denial of service. **Note:** This package is EOL and will not receive any updates to address this issue. Users should migrate to [@angular/core](https://www.npmjs.com/package/@angular/core).

Action-Not Available
Vendor-n/aAngularJS
Product-angular.jsangularorg.webjars.bower:angularorg.webjars.npm:angular
CWE ID-CWE-1333
Inefficient Regular Expression Complexity
CVE-2021-40900
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.33% / 55.86%
||
7 Day CHG~0.00%
Published-27 Jun, 2022 | 11:33
Updated-04 Aug, 2024 | 02:51
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A Regular Expression Denial of Service (ReDOS) vulnerability was discovered in regexfn v1.0.5 when validating crafted invalid emails.

Action-Not Available
Vendor-regexfn_projectn/a
Product-regexfnn/a
CWE ID-CWE-1333
Inefficient Regular Expression Complexity
CVE-2024-21538
Matching Score-4
Assigner-Snyk
ShareView Details
Matching Score-4
Assigner-Snyk
CVSS Score-8.7||HIGH
EPSS-0.07% / 20.70%
||
7 Day CHG~0.00%
Published-08 Nov, 2024 | 05:00
Updated-20 May, 2025 | 15:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Versions of the package cross-spawn before 6.0.6, from 7.0.0 and before 7.0.5 are vulnerable to Regular Expression Denial of Service (ReDoS) due to improper input sanitization. An attacker can increase the CPU usage and crash the program by crafting a very large and well crafted string.

Action-Not Available
Vendor-n/across-spawn
Product-cross-spawnorg.webjars.npm:cross-spawncross-spawn
CWE ID-CWE-1333
Inefficient Regular Expression Complexity
CVE-2020-26308
Matching Score-4
Assigner-GitHub, Inc.
ShareView Details
Matching Score-4
Assigner-GitHub, Inc.
CVSS Score-8.7||HIGH
EPSS-0.12% / 30.71%
||
7 Day CHG~0.00%
Published-26 Oct, 2024 | 20:26
Updated-23 Sep, 2025 | 02:05
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
GHSL-2020-302: Regular Expression Denial of Service (ReDoS) in validate.js

Validate.js provides a declarative way of validating javascript objects. Versions 0.13.1 and prior contain one or more regular expressions that are vulnerable to Regular Expression Denial of Service (ReDoS). As of time of publication, no known patches are available.

Action-Not Available
Vendor-validatejsansmanansman
Product-validate.jsvalidate.jsvalidate.js
CWE ID-CWE-1333
Inefficient Regular Expression Complexity
CVE-2024-13926
Matching Score-4
Assigner-WPScan
ShareView Details
Matching Score-4
Assigner-WPScan
CVSS Score-7.5||HIGH
EPSS-0.40% / 60.17%
||
7 Day CHG~0.00%
Published-19 Apr, 2025 | 06:00
Updated-27 Aug, 2025 | 12:00
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
WP-Syntax <= 1.2 - Author+ Potential ReDoS

The WP-Syntax WordPress plugin through 1.2 does not properly handle input, allowing an attacker to create a post containing a large number of tags, thereby exploiting a catastrophic backtracking issue in the regular expression processing to cause a DoS.

Action-Not Available
Vendor-connections-proUnknown
Product-wp-syntaxWP-Syntax
CWE ID-CWE-1333
Inefficient Regular Expression Complexity
CVE-2020-26311
Matching Score-4
Assigner-GitHub, Inc.
ShareView Details
Matching Score-4
Assigner-GitHub, Inc.
CVSS Score-8.7||HIGH
EPSS-0.12% / 31.41%
||
7 Day CHG~0.00%
Published-26 Oct, 2024 | 20:26
Updated-30 Oct, 2024 | 18:07
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
GHSL-2020-312: Regular Expression Denial of Service (ReDoS) in useragent

Useragent is a user agent parser for Node.js. All versions as of time of publication contain one or more regular expressions that are vulnerable to Regular Expression Denial of Service (ReDoS). As of time of publication, no patches are available.

Action-Not Available
Vendor-useragent_project3rd-Edenuseragent_project
Product-useragentuseragentuseragent
CWE ID-CWE-1333
Inefficient Regular Expression Complexity
CVE-2024-12720
Matching Score-4
Assigner-Protect AI (formerly huntr.dev)
ShareView Details
Matching Score-4
Assigner-Protect AI (formerly huntr.dev)
CVSS Score-5.3||MEDIUM
EPSS-0.14% / 33.56%
||
7 Day CHG~0.00%
Published-20 Mar, 2025 | 10:11
Updated-01 Aug, 2025 | 21:11
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Regular Expression Denial of Service (ReDoS) in huggingface/transformers

A Regular Expression Denial of Service (ReDoS) vulnerability was identified in the huggingface/transformers library, specifically in the file tokenization_nougat_fast.py. The vulnerability occurs in the post_process_single() function, where a regular expression processes specially crafted input. The issue stems from the regex exhibiting exponential time complexity under certain conditions, leading to excessive backtracking. This can result in significantly high CPU usage and potential application downtime, effectively creating a Denial of Service (DoS) scenario. The affected version is v4.46.3 (latest).

Action-Not Available
Vendor-huggingfacehuggingface
Product-transformershuggingface/transformers
CWE ID-CWE-1333
Inefficient Regular Expression Complexity
CVE-2020-26302
Matching Score-4
Assigner-GitHub, Inc.
ShareView Details
Matching Score-4
Assigner-GitHub, Inc.
CVSS Score-7.5||HIGH
EPSS-0.27% / 50.32%
||
7 Day CHG~0.00%
Published-23 Dec, 2022 | 23:03
Updated-14 Apr, 2025 | 14:37
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

is.js is a general-purpose check library. Versions 0.9.0 and prior contain one or more regular expressions that are vulnerable to Regular Expression Denial of Service (ReDoS). is.js uses a regex copy-pasted from a gist to validate URLs. Trying to validate a malicious string can cause the regex to loop “forever." This vulnerability was found using a CodeQL query which identifies inefficient regular expressions. is.js has no patch for this issue.

Action-Not Available
Vendor-is.js_projectarasatasaygin
Product-is.jsis.js
CWE ID-CWE-400
Uncontrolled Resource Consumption
CWE ID-CWE-1333
Inefficient Regular Expression Complexity
CVE-2024-39249
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.16% / 37.01%
||
7 Day CHG~0.00%
Published-01 Jul, 2024 | 00:00
Updated-26 Aug, 2024 | 15:35
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Async <= 2.6.4 and <= 3.2.5 are vulnerable to ReDoS (Regular Expression Denial of Service) while parsing function in autoinject function. NOTE: this is disputed by the supplier because there is no realistic threat model: regular expressions are not used with untrusted input.

Action-Not Available
Vendor-n/aasync_project
Product-n/aasync
CWE ID-CWE-1333
Inefficient Regular Expression Complexity
CVE-2020-26304
Matching Score-4
Assigner-GitHub, Inc.
ShareView Details
Matching Score-4
Assigner-GitHub, Inc.
CVSS Score-8.7||HIGH
EPSS-0.12% / 30.71%
||
7 Day CHG~0.00%
Published-26 Oct, 2024 | 20:26
Updated-13 Nov, 2024 | 19:58
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
GHSL-2020-290: Regular Expression Denial of Service (ReDoS) in foundation-sites

Foundation is a front-end framework. Versions 6.3.3 and prior contain one or more regular expressions that are vulnerable to Regular Expression Denial of Service (ReDoS). As of time of publication, it is unknown if any fixes are available.

Action-Not Available
Vendor-foundationfoundationfoundation
Product-foundationfoundation-sitesfoundation-sites
CWE ID-CWE-1333
Inefficient Regular Expression Complexity
CVE-2020-26305
Matching Score-4
Assigner-GitHub, Inc.
ShareView Details
Matching Score-4
Assigner-GitHub, Inc.
CVSS Score-8.7||HIGH
EPSS-0.12% / 30.71%
||
7 Day CHG~0.00%
Published-26 Oct, 2024 | 20:26
Updated-13 Nov, 2024 | 20:00
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
GHSL-2020-291: Regular Expression Denial of Service (ReDoS) in CommonRegexJS

CommonRegexJS is a CommonRegex port for JavaScript. All available versions contain one or more regular expressions that are vulnerable to Regular Expression Denial of Service (ReDoS). As of time of publication, no known patches are available.

Action-Not Available
Vendor-talyssonoctalyssonoctalyssonoc
Product-commonregexjsCommonRegexJScommonregexjs
CWE ID-CWE-1333
Inefficient Regular Expression Complexity
CVE-2022-34749
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.52% / 66.43%
||
7 Day CHG~0.00%
Published-25 Jul, 2022 | 00:00
Updated-03 Aug, 2024 | 09:22
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

In mistune through 2.0.2, support of inline markup is implemented by using regular expressions that can involve a high amount of backtracking on certain edge cases. This behavior is commonly named catastrophic backtracking.

Action-Not Available
Vendor-mistune_projectn/aFedora Project
Product-mistunefedoran/a
CWE ID-CWE-1333
Inefficient Regular Expression Complexity
CVE-2017-20165
Matching Score-4
Assigner-VulDB
ShareView Details
Matching Score-4
Assigner-VulDB
CVSS Score-3.5||LOW
EPSS-2.14% / 83.92%
||
7 Day CHG~0.00%
Published-09 Jan, 2023 | 09:33
Updated-05 Aug, 2024 | 21:45
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
debug-js debug node.js useColors redos

A vulnerability classified as problematic has been found in debug-js debug up to 3.0.x. This affects the function useColors of the file src/node.js. The manipulation of the argument str leads to inefficient regular expression complexity. Upgrading to version 3.1.0 is able to address this issue. The identifier of the patch is c38a0166c266a679c8de012d4eaccec3f944e685. It is recommended to upgrade the affected component. The identifier VDB-217665 was assigned to this vulnerability.

Action-Not Available
Vendor-debug_projectdebug-js
Product-debugdebug
CWE ID-CWE-1333
Inefficient Regular Expression Complexity
CVE-2023-33950
Matching Score-4
Assigner-Liferay, Inc.
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Matching Score-4
Assigner-Liferay, Inc.
CVSS Score-6.5||MEDIUM
EPSS-0.56% / 67.87%
||
7 Day CHG~0.00%
Published-24 May, 2023 | 16:10
Updated-22 Oct, 2024 | 15:51
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Pattern Redirects in Liferay Portal 7.4.3.48 through 7.4.3.76, and Liferay DXP 7.4 update 48 through 76 allows regular expressions that are vulnerable to ReDoS attacks to be used as patterns, which allows remote attackers to consume an excessive amount of server resources via crafted request URLs.

Action-Not Available
Vendor-Liferay Inc.
Product-digital_experience_platformliferay_portalDXPPortal
CWE ID-CWE-1333
Inefficient Regular Expression Complexity
CVE-2022-31129
Matching Score-4
Assigner-GitHub, Inc.
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Matching Score-4
Assigner-GitHub, Inc.
CVSS Score-7.5||HIGH
EPSS-3.44% / 87.25%
||
7 Day CHG~0.00%
Published-06 Jul, 2022 | 00:00
Updated-03 Nov, 2025 | 22:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Inefficient Regular Expression Complexity in moment

moment is a JavaScript date library for parsing, validating, manipulating, and formatting dates. Affected versions of moment were found to use an inefficient parsing algorithm. Specifically using string-to-date parsing in moment (more specifically rfc2822 parsing, which is tried by default) has quadratic (N^2) complexity on specific inputs. Users may notice a noticeable slowdown is observed with inputs above 10k characters. Users who pass user-provided strings without sanity length checks to moment constructor are vulnerable to (Re)DoS attacks. The problem is patched in 2.29.4, the patch can be applied to all affected versions with minimal tweaking. Users are advised to upgrade. Users unable to upgrade should consider limiting date lengths accepted from user input.

Action-Not Available
Vendor-momentjsmomentFedora ProjectDebian GNU/Linux
Product-fedoradebian_linuxmomentmoment
CWE ID-CWE-1333
Inefficient Regular Expression Complexity
CWE ID-CWE-400
Uncontrolled Resource Consumption
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