Common Weakness Enumeration
CWE-400
DiscouragedUncontrolled Resource Consumption
Abstraction: Class · Status: Draft
The product does not properly control the allocation and maintenance of a limited resource.
5417 vulnerabilities reference this CWE, most recent first.
CVE-2025-59043 (GCVE-0-2025-59043)
Vulnerability from cvelistv5 – Published: 2025-10-17 16:03 – Updated: 2025-10-17 17:22
VLAI
EPSS
VEX
Title
OpenBao vulnerable to denial of service via malicious JSON request processing
Summary
OpenBao is an open source identity-based secrets management system. In OpenBao versions prior to 2.4.1, JSON objects after decoding may use significantly more memory than their serialized version. It is possible to craft a JSON payload to maximize the factor between serialized memory usage and deserialized memory usage, similar to a zip bomb, with factors reaching approximately 35. This can be used to circumvent the max_request_size configuration parameter which is intended to protect against denial of service attacks. The request body is parsed into a map very early in the request handling chain before authentication, which means an unauthenticated attacker can send a specifically crafted JSON object and cause an out-of-memory crash. Additionally, for requests with large numbers of strings, the audit subsystem can consume large quantities of CPU. The vulnerability is fixed in version 2.4.1.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/openbao/openbao/security/advis… | x_refsource_CONFIRM |
| https://github.com/openbao/openbao/pull/1756 | x_refsource_MISC |
| https://github.com/openbao/openbao/commit/d418f23… | x_refsource_MISC |
| https://github.com/openbao/openbao/blob/788536bd3… | x_refsource_MISC |
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CVE-2025-58767 (GCVE-0-2025-58767)
Vulnerability from cvelistv5 – Published: 2025-09-17 17:45 – Updated: 2025-09-17 17:54
VLAI
EPSS
VEX
Title
REXML has a DoS condition when parsing malformed XML file
Summary
REXML is an XML toolkit for Ruby. The REXML gems from 3.3.3 to 3.4.1 has a DoS vulnerability when parsing XML containing multiple XML declarations. If you need to parse untrusted XMLs, you may be impacted to these vulnerabilities. The REXML gem 3.4.2 or later include the patches to fix these vulnerabilities.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/ruby/rexml/security/advisories… | x_refsource_CONFIRM |
| https://github.com/ruby/rexml/commit/5859bdeac792… | x_refsource_MISC |
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CVE-2025-58451 (GCVE-0-2025-58451)
Vulnerability from cvelistv5 – Published: 2025-09-08 22:07 – Updated: 2025-09-09 13:30
VLAI
EPSS
VEX
Title
Cattown Vulnerable to Inefficient Regular Expression Complexity and Uncontrolled Resource Consumption
Summary
Cattown is a JavaScript markdown parser. Versions prior to 1.0.2 used regular expressions with inefficient, potentially exponential worst-case complexity. This could cause excessive CPU usage due to excessive backtracking on crafted inputs. In turn, the excessive CPU usage could lead to resource exhaustion, where processing malicious inputs could cause high CPU or memory usage, potentially leading to denial of service. Version 1.0.2 contains a patch. Additionally, users should review and restrict input sources if untrusted inputs are processed.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/IEatUranium238/Cattown/securit… | x_refsource_CONFIRM |
| https://github.com/IEatUranium238/Cattown/commit/… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| IEatUranium238 | Cattown |
Affected:
< 1.0.2
|
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CVE-2025-58436 (GCVE-0-2025-58436)
Vulnerability from cvelistv5 – Published: 2025-11-29 02:15 – Updated: 2025-12-03 15:23
VLAI
EPSS
VEX
Title
OpenPrinting CUPS slow client can halt cupsd, leading to a possible DoS attack
Summary
OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. Prior to version 2.4.15, a client that connects to cupsd but sends slow messages, e.g. only one byte per second, delays cupsd as a whole, such that it becomes unusable by other clients. This issue has been patched in version 2.4.15.
Severity
5.1 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/OpenPrinting/cups/security/adv… | x_refsource_CONFIRM |
| https://github.com/OpenPrinting/cups/commit/40008… | x_refsource_MISC |
| https://github.com/OpenPrinting/cups/releases/tag… | x_refsource_MISC |
| http://www.openwall.com/lists/oss-security/2025/11/27/4 |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| OpenPrinting | cups |
Affected:
< 2.4.15
|
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CVE-2025-58369 (GCVE-0-2025-58369)
Vulnerability from cvelistv5 – Published: 2025-09-05 21:59 – Updated: 2025-11-07 11:52
VLAI
EPSS
VEX
Title
fs2: Half-shutdown of socket during TLS handshake may result in spin loop on opposite side
Summary
fs2 is a compositional, streaming I/O library for Scala. Versions up to and including 2.5.12, 3.0.0-M1 through 3.12.2, and 3.13.0-M1 through 3.13.0-M6 are vulnerable to denial of service attacks though TLS sessions using fs2-io on the JVM using the fs2.io.net.tls package. When establishing a TLS session, if one side of the connection shuts down `write` while the peer side is awaiting more data to progress the TLS handshake, the peer side will spin loop on the socket read, fully utilizing a CPU. The CPU is consumed until the overall connection is closed, potentially shutting down a fs2-io powered server. This issue is fixed in versions 2.5.13, 3.12.1, and 3.13.0-M7.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
7 references
| URL | Tags |
|---|---|
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CVE-2025-58157 (GCVE-0-2025-58157)
Vulnerability from cvelistv5 – Published: 2025-08-29 21:21 – Updated: 2025-09-02 14:09
VLAI
EPSS
VEX
Title
gnark affected by denial of service when computing scalar multiplication using fake-GLV algorithm
Summary
gnark is a zero-knowledge proof system framework. In version 0.12.0, there is a potential denial of service vulnerability when computing scalar multiplication is using the fake-GLV algorithm. This is because the algorithm didn't converge quickly enough for some of the inputs. This issue has been patched in version 0.13.0.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/Consensys/gnark/security/advis… | x_refsource_CONFIRM |
| https://github.com/Consensys/gnark/issues/1483 | x_refsource_MISC |
| https://github.com/Consensys/gnark-crypto/commit/… | x_refsource_MISC |
| https://github.com/Consensys/gnark/commit/68be6ce… | x_refsource_MISC |
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CVE-2025-57751 (GCVE-0-2025-57751)
Vulnerability from cvelistv5 – Published: 2025-08-21 18:27 – Updated: 2025-08-21 18:42
VLAI
EPSS
VEX
Title
Denial-of-Service attack in pyLoad CNL Blueprint using dukpy.evaljs
Summary
pyLoad is the free and open-source Download Manager written in pure Python. The jk parameter is received in pyLoad CNL Blueprint. Due to the lack of jk parameter verification, the jk parameter input by the user is directly determined as dykpy.evaljs(), resulting in the server CPU being fully occupied and the web-ui becoming unresponsive. This vulnerability is fixed in 0.5.0b3.dev92.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/pyload/pyload/security/advisor… | x_refsource_CONFIRM |
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CVE-2025-55197 (GCVE-0-2025-55197)
Vulnerability from cvelistv5 – Published: 2025-08-13 23:03 – Updated: 2025-08-14 14:50
VLAI
EPSS
VEX
Title
pypdf's Manipulated FlateDecode streams can exhaust RAM
Summary
pypdf is a free and open-source pure-python PDF library. Prior to version 6.0.0, an attacker can craft a PDF which leads to the RAM being exhausted. This requires just reading the file if a series of FlateDecode filters is used on a malicious cross-reference stream. Other content streams are affected on explicit access. This issue has been fixed in 6.0.0. If an update is not possible, a workaround involves including the fixed code from pypdf.filters.decompress into the existing filters file.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/py-pdf/pypdf/security/advisori… | x_refsource_CONFIRM |
| https://github.com/py-pdf/pypdf/issues/3429 | x_refsource_MISC |
| https://github.com/py-pdf/pypdf/pull/3430 | x_refsource_MISC |
| https://github.com/py-pdf/pypdf/blob/0dd57738bbdc… | x_refsource_MISC |
| https://github.com/py-pdf/pypdf/releases/tag/6.0.0 | x_refsource_MISC |
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CVE-2025-55152 (GCVE-0-2025-55152)
Vulnerability from cvelistv5 – Published: 2025-08-09 01:29 – Updated: 2025-08-11 13:33
VLAI
EPSS
VEX
Title
oak: ReDoS in x-forwarded-proto and x-forwarded-for headers
Summary
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 x-forwarded-for headers.
Severity
5.3 (Medium)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/oakserver/oak/security/advisor… | x_refsource_CONFIRM |
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CVE-2025-55102 (GCVE-0-2025-55102)
Vulnerability from cvelistv5 – Published: 2026-01-27 15:25 – Updated: 2026-01-27 15:58
VLAI
EPSS
VEX
Summary
A denial-of-service vulnerability exists in the NetX IPv6 component functionality of Eclipse ThreadX NetX Duo. A specially crafted network packet of "Packet Too Big" with more than 15 different source address can lead to denial of service. An attacker can send a malicious packet to trigger this vulnerability.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Eclipse Foundation | Eclipse ThreadX - NetX Duo |
Affected:
0 , ≤ 6.4.3
(semver)
|
Credits
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Mitigation
Architecture and Design
Design throttling mechanisms into the system architecture. The best protection is to limit the amount of resources that an unauthorized user can cause to be expended. A strong authentication and access control model will help prevent such attacks from occurring in the first place. The login application should be protected against DoS attacks as much as possible. Limiting the database access, perhaps by caching result sets, can help minimize the resources expended. To further limit the potential for a DoS attack, consider tracking the rate of requests received from users and blocking requests that exceed a defined rate threshold.
Mitigation
Architecture and Design
- Mitigation of resource exhaustion attacks requires that the target system either:
- The first of these solutions is an issue in itself though, since it may allow attackers to prevent the use of the system by a particular valid user. If the attacker impersonates the valid user, they may be able to prevent the user from accessing the server in question.
- The second solution is simply difficult to effectively institute -- and even when properly done, it does not provide a full solution. It simply makes the attack require more resources on the part of the attacker.
- recognizes the attack and denies that user further access for a given amount of time, or
- uniformly throttles all requests in order to make it more difficult to consume resources more quickly than they can again be freed.
Mitigation
Architecture and Design
Ensure that protocols have specific limits of scale placed on them.
Mitigation
Implementation
Ensure that all failures in resource allocation place the system into a safe posture.
CAPEC-147: XML Ping of the Death
An attacker initiates a resource depletion attack where a large number of small XML messages are delivered at a sufficiently rapid rate to cause a denial of service or crash of the target. Transactions such as repetitive SOAP transactions can deplete resources faster than a simple flooding attack because of the additional resources used by the SOAP protocol and the resources necessary to process SOAP messages. The transactions used are immaterial as long as they cause resource utilization on the target. In other words, this is a normal flooding attack augmented by using messages that will require extra processing on the target.
CAPEC-227: Sustained Client Engagement
An adversary attempts to deny legitimate users access to a resource by continually engaging a specific resource in an attempt to keep the resource tied up as long as possible. The adversary's primary goal is not to crash or flood the target, which would alert defenders; rather it is to repeatedly perform actions or abuse algorithmic flaws such that a given resource is tied up and not available to a legitimate user. By carefully crafting a requests that keep the resource engaged through what is seemingly benign requests, legitimate users are limited or completely denied access to the resource.
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.