CWE-1333
Inefficient Regular Expression Complexity
The product uses a regular expression with a worst-case computational complexity that is inefficient and possibly exponential.
CVE-2024-8124 (GCVE-0-2024-8124)
Vulnerability from cvelistv5 – Published: 2024-09-12 16:56 – Updated: 2024-09-17 11:26
VLAI
Title
Inefficient Regular Expression Complexity in GitLab
Summary
An issue was discovered in GitLab CE/EE affecting all versions starting from 16.4 prior to 17.1.7, starting from 17.2 prior to 17.2.5, starting from 17.3 prior to 17.3.2 which could cause Denial of Service via sending a specific POST request.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-1333 - Inefficient Regular Expression Complexity
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://gitlab.com/gitlab-org/gitlab/-/issues/480533 | issue-trackingpermissions-required |
| https://hackerone.com/reports/2634880 | technical-descriptionexploitpermissions-required |
| https://about.gitlab.com/releases/2024/09/11/patc… |
Impacted products
Credits
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CVE-2024-8763 (GCVE-0-2024-8763)
Vulnerability from cvelistv5 – Published: 2025-03-20 10:08 – Updated: 2025-10-15 12:50
VLAI
Title
Regular Expression Denial of Service (ReDoS) in lunary-ai/lunary
Summary
A Regular Expression Denial of Service (ReDoS) vulnerability exists in the lunary-ai/lunary repository, specifically in the compileTextTemplate function. The affected version is git be54057. An attacker can exploit this vulnerability by manipulating the regular expression /{{(.*?)}}/g, causing the server to hang indefinitely and become unresponsive to any requests. This is due to the regular expression's susceptibility to second-degree polynomial time complexity, which can be triggered by a large number of braces in the input.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-1333 - Inefficient Regular Expression Complexity
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| lunary-ai | lunary-ai/lunary |
Affected:
unspecified , < 1.4.23
(custom)
|
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CVE-2024-8764 (GCVE-0-2024-8764)
Vulnerability from cvelistv5 – Published: 2025-03-20 10:09 – Updated: 2025-10-15 12:49
VLAI
Title
Improper Authorization in lunary-ai/lunary
Summary
A vulnerability in lunary-ai/lunary, as of commit be54057, allows users to upload and execute arbitrary regular expressions on the server side. This can lead to a Denial of Service (DoS) condition, as certain regular expressions can cause excessive resource consumption, blocking the server from processing other requests.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-1333 - Inefficient Regular Expression Complexity
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| lunary-ai | lunary-ai/lunary |
Affected:
unspecified , < 1.4.23
(custom)
|
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CVE-2024-8789 (GCVE-0-2024-8789)
Vulnerability from cvelistv5 – Published: 2025-03-20 10:10 – Updated: 2025-10-15 12:50
VLAI
Title
Regular Expression Denial of Service (ReDoS) in lunary-ai/lunary
Summary
Lunary-ai/lunary version git 105a3f6 is vulnerable to a Regular Expression Denial of Service (ReDoS) attack. The application allows users to upload their own regular expressions, which are then executed on the server side. Certain regular expressions can have exponential runtime complexity relative to the input size, leading to potential denial of service. An attacker can exploit this by submitting a specially crafted regular expression, causing the server to become unresponsive for an arbitrary length of time.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-1333 - Inefficient Regular Expression Complexity
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| lunary-ai | lunary-ai/lunary |
Affected:
unspecified , < 1.4.23
(custom)
|
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CVE-2024-8998 (GCVE-0-2024-8998)
Vulnerability from cvelistv5 – Published: 2025-03-20 10:11 – Updated: 2025-04-04 08:45
VLAI
Title
Regular Expression Denial of Service (ReDoS) in lunary-ai/lunary
Summary
A Regular Expression Denial of Service (ReDoS) vulnerability exists in lunary-ai/lunary version git f07a845. The server uses the regex /{.*?}/ to match user-controlled strings. In the default JavaScript regex engine, this regex can take polynomial time to match certain crafted user inputs. As a result, an attacker can cause the server to hang for an arbitrary amount of time by submitting a specially crafted payload. This issue is fixed in version 1.4.26.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-1333 - Inefficient Regular Expression Complexity
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| lunary-ai | lunary-ai/lunary |
Affected:
unspecified , < 1.4.26
(custom)
|
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CVE-2024-9277 (GCVE-0-2024-9277)
Vulnerability from cvelistv5 – Published: 2024-09-27 11:00 – Updated: 2024-09-27 15:02
VLAI
Title
Langflow HTTP POST Request utils.py redos
Summary
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 remaining_text leads to inefficient regular expression complexity. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-1333 - Inefficient Regular Expression Complexity
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.278659 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.278659 | signaturepermissions-required |
| https://vuldb.com/?submit.410043 | third-party-advisory |
| https://rumbling-slice-eb0.notion.site/Remote-Red… | exploit |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Langflow |
Affected:
1.0.0
Affected: 1.0.1 Affected: 1.0.2 Affected: 1.0.3 Affected: 1.0.4 Affected: 1.0.5 Affected: 1.0.6 Affected: 1.0.7 Affected: 1.0.8 Affected: 1.0.9 Affected: 1.0.10 Affected: 1.0.11 Affected: 1.0.12 Affected: 1.0.13 Affected: 1.0.14 Affected: 1.0.15 Affected: 1.0.16 Affected: 1.0.17 Affected: 1.0.18 |
|
| langflow | langflow |
Affected:
1.0.0 , ≤ 1.0.18
(custom)
cpe:2.3:a:langflow:langflow:-:*:*:*:*:*:*:* |
Credits
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CVE-2024-9506 (GCVE-0-2024-9506)
Vulnerability from cvelistv5 – Published: 2024-10-15 15:40 – Updated: 2024-10-15 16:10
VLAI
Title
Regular Expression Denial of Service (ReDoS)
Summary
Improper regular expression in Vue's parseHTML function leads to a potential regular expression denial of service vulnerability.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-1333 - Inefficient Regular Expression Complexity
Assigner
References
1 reference
Credits
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CVE-2025-0367 (GCVE-0-2025-0367)
Vulnerability from cvelistv5 – Published: 2025-01-30 17:04 – Updated: 2025-02-12 19:51
VLAI
Title
Regular Expression Denial of Service (ReDoS) in Splunk Supporting Add-on for Active Directory (SA-ldapsearch)
Summary
In versions 3.1.0 and lower of the Splunk Supporting Add-on for Active Directory, also known as SA-ldapsearch, a vulnerable regular expression pattern could lead to a Regular Expression Denial of Service (ReDoS) attack.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-1333 - The product uses a regular expression with an inefficient, possibly exponential worst-case computational complexity that consumes excessive CPU cycles.
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Splunk | Splunk Supporting Add-on for Active Directory |
Affected:
3.1 , < 3.1.1
(custom)
|
Date Public
2025-01-15 00:00
Credits
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CVE-2025-10990 (GCVE-0-2025-10990)
Vulnerability from cvelistv5 – Published: 2026-02-27 13:32 – Updated: 2026-02-27 18:43
VLAI
Title
Rexml: rexml: denial of service via inefficient regex parsing
Summary
A flaw was found in REXML. A remote attacker could exploit inefficient regular expression (regex) parsing when processing hex numeric character references (&#x...;) in XML documents. This could lead to a Regular Expression Denial of Service (ReDoS), impacting the availability of the affected component. This issue is the result of an incomplete fix for CVE-2024-49761.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-1333 - Inefficient Regular Expression Complexity
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2025:17606 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2025:17613 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2025:17693 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2025-10990 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2398216 | issue-trackingx_refsource_REDHAT |
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
|
Unaffected:
6.17.5
Unaffected: 6.16.5.4 |
|||
| Red Hat | Red Hat Satellite 6.16 for RHEL 8 |
Unaffected:
0:8.8.1-3.el8sat , < *
(rpm)
cpe:/a:redhat:satellite:6.16::el8 cpe:/a:redhat:satellite_utils:6.16::el8 cpe:/a:redhat:satellite:6.16::el9 cpe:/a:redhat:satellite_capsule:6.16::el8 cpe:/a:redhat:satellite_utils:6.16::el9 cpe:/a:redhat:satellite_capsule:6.16::el9 |
|
| Red Hat | Red Hat Satellite 6.16 for RHEL 9 |
Unaffected:
0:8.8.1-3.el9sat , < *
(rpm)
cpe:/a:redhat:satellite:6.16::el8 cpe:/a:redhat:satellite_utils:6.16::el8 cpe:/a:redhat:satellite:6.16::el9 cpe:/a:redhat:satellite_capsule:6.16::el8 cpe:/a:redhat:satellite_utils:6.16::el9 cpe:/a:redhat:satellite_capsule:6.16::el9 |
|
| Red Hat | Red Hat Satellite 6.17 for RHEL 9 |
Unaffected:
0:8.8.1-3.el9sat , < *
(rpm)
cpe:/a:redhat:satellite:6.17::el9 cpe:/a:redhat:satellite_utils:6.17::el9 cpe:/a:redhat:satellite_capsule:6.17::el9 |
|
| Red Hat | Satellite Client 6 for RHEL 8 |
Unaffected:
0:7.34.0-4.el8sat , < *
(rpm)
cpe:/a:redhat:rhel_satellite_client:6::el9 cpe:/a:redhat:rhel_satellite_client:6::el8 |
|
| Red Hat | Satellite Client 6 for RHEL 9 |
Unaffected:
0:7.34.0-4.el9sat , < *
(rpm)
cpe:/a:redhat:rhel_satellite_client:6::el9 cpe:/a:redhat:rhel_satellite_client:6::el8 |
Date Public
2025-09-25 00:00
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CVE-2025-1194 (GCVE-0-2025-1194)
Vulnerability from cvelistv5 – Published: 2025-04-29 11:30 – Updated: 2025-04-29 13:21
VLAI
Title
Regular Expression Denial of Service (ReDoS) in huggingface/transformers
Summary
A Regular Expression Denial of Service (ReDoS) vulnerability was identified in the huggingface/transformers library, specifically in the file `tokenization_gpt_neox_japanese.py` of the GPT-NeoX-Japanese model. The vulnerability occurs in the SubWordJapaneseTokenizer class, where regular expressions process specially crafted inputs. The issue stems from a regex exhibiting exponential complexity under certain conditions, leading to excessive backtracking. This can result in high CPU usage and potential application downtime, effectively creating a Denial of Service (DoS) scenario. The affected version is v4.48.1 (latest).
Severity
4.3 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-1333 - Inefficient Regular Expression Complexity
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| huggingface | huggingface/transformers |
Affected:
unspecified , < 4.50.0
(custom)
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Mitigation
Phase: Architecture and Design
Description:
- Use regular expressions that do not support backtracking, e.g. by removing nested quantifiers.
Mitigation
Phase: System Configuration
Description:
- Set backtracking limits in the configuration of the regular expression implementation, such as PHP's pcre.backtrack_limit. Also consider limits on execution time for the process.
Mitigation
Phase: Implementation
Description:
- Do not use regular expressions with untrusted input. If regular expressions must be used, avoid using backtracking in the expression.
Mitigation
Phase: Implementation
Description:
- Limit the length of the input that the regular expression will process.
CAPEC-492: Regular Expression Exponential Blowup
An adversary may execute an attack on a program that uses a poor Regular Expression(Regex) implementation by choosing input that results in an extreme situation for the Regex. A typical extreme situation operates at exponential time compared to the input size. This is due to most implementations using a Nondeterministic Finite Automaton(NFA) state machine to be built by the Regex algorithm since NFA allows backtracking and thus more complex regular expressions.