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.
6200 vulnerabilities reference this CWE, most recent first.
CVE-2026-45802 (GCVE-0-2026-45802)
Vulnerability from cvelistv5 – Published: 2026-06-11 18:59 – Updated: 2026-06-12 13:49
VLAI
EPSS
VEX
Title
FPDI: Memory Exhaustion and Endless Loop in FPDI leads to Denial of Service
Summary
FPDI is a collection of PHP classes that facilitate reading pages from existing PDF documents and using them as templates in FPDF. Prior to version 2.6.7, an attacker can upload a small, malicious PDF file that will cause the server-side script to crash due to memory exhaustion or a script time-out. Repeated attacks can lead to sustained service unavailability. This issue has been patched in version 2.6.7.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-12 13:49 UTC
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/Setasign/FPDI/security/advisor… | x_refsource_CONFIRM |
| https://github.com/Setasign/FPDI/commit/1695cfcc7… | x_refsource_MISC |
| https://github.com/Setasign/FPDI/releases/tag/v2.6.7 | x_refsource_MISC |
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CVE-2026-45783 (GCVE-0-2026-45783)
Vulnerability from cvelistv5 – Published: 2026-06-10 21:09 – Updated: 2026-06-11 16:14
VLAI
EPSS
VEX
Title
libp2p: Unvalidated PUT_VALUE records allow unbounded disk exhaustion on DHT server nodes
Summary
libp2p is a JavaScript Implementation of libp2p networking stack. Prior to version 16.2.6, an unauthenticated remote peer can exhaust the disk storage of any @libp2p/kad-dht node running in server mode by sending an unbounded stream of PUT_VALUE messages whose keys bypass all content validation. No credentials, no prior relationship, and no protocol deviation beyond a crafted key are required. The victim node's datastore fills until the host disk is exhausted, making the node unavailable. This issue has been patched in version 16.2.6.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-11 13:51 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/libp2p/js-libp2p/security/advi… | x_refsource_CONFIRM |
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CVE-2026-45769 (GCVE-0-2026-45769)
Vulnerability from cvelistv5 – Published: 2026-09-10 21:38 – Updated: 2026-09-11 15:55
VLAI
EPSS
VEX
Title
ikev2: unbounded client transform storage can lead to resource exhaustion
Summary
Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to versions 7.0.16 and 8.0.5,IKEv2 parser state could grow without bounds while storing client transforms. Repeated crafted UDP traffic may cause Suricata to consume excessive memory, potentially resulting in denial of service. Versions 7.0.16 and 8.0.5 fix the issue. Some workarounds are available. Disable IKE application-layer parsing if it is not needed. Alternatively, use a rule to bypass ike flows after the first packets like `alert ike any any -> any any (sid: 2; flow.pkts_toserver: > 256; bypass; noalert;)`.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-11 15:55 UTC
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/OISF/suricata/security/advisor… | x_refsource_CONFIRM |
| https://forum.suricata.io/t/suricata-8-0-5-and-7-… | x_refsource_MISC |
| https://redmine.openinfosecfoundation.org/issues/8415 | x_refsource_MISC |
Impacted products
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CVE-2026-45768 (GCVE-0-2026-45768)
Vulnerability from cvelistv5 – Published: 2026-09-10 21:37 – Updated: 2026-09-11 20:31
VLAI
EPSS
VEX
Title
Suricata ldap: unbounded responses per transaction can lead to resource exhaustion
Summary
Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Starting in version 8.0.0 and prior to version 8.0.5, LDAP transaction state could store an unbounded number of responses. Because LDAP can be processed over UDP, crafted traffic may cause Suricata to consume excessive memory, potentially resulting in denial of service. Version 8.0.5 contains a fix. As a workaround, disable LDAP application-layer parsing where it is not required. Alternatively, use a rule like `alert ldap any any -> any any (sid: 1; ldap.responses.count: >1024; bypass;)`.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-11 16:34 UTC
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/OISF/suricata/security/advisor… | x_refsource_CONFIRM |
| https://forum.suricata.io/t/suricata-8-0-5-and-7-… | x_refsource_MISC |
| https://redmine.openinfosecfoundation.org/issues/8405 | x_refsource_MISC |
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CVE-2026-45766 (GCVE-0-2026-45766)
Vulnerability from cvelistv5 – Published: 2026-09-10 21:26 – Updated: 2026-09-11 14:43
VLAI
EPSS
VEX
Title
Suricata nfs: unbounded stateful structures can lead to resource exhaustion
Summary
Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to versions 7.0.16 and 8.0.5, certain NFS parser state structures were insufficiently bounded. Crafted NFS traffic may cause Suricata to consume excessive memory, potentially resulting in denial of service. Versions 7.0.16 and 8.0.5 contain a fix. As a workaround, disable NFS application-layer parsing if it is not needed.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-11 14:43 UTC
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/OISF/suricata/security/advisor… | x_refsource_CONFIRM |
| https://forum.suricata.io/t/suricata-8-0-5-and-7-… | x_refsource_MISC |
| https://redmine.openinfosecfoundation.org/issues/8418 | x_refsource_MISC |
Impacted products
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CVE-2026-45765 (GCVE-0-2026-45765)
Vulnerability from cvelistv5 – Published: 2026-09-10 21:25 – Updated: 2026-09-11 17:41
VLAI
EPSS
VEX
Title
Suricata dnp3: unbounded reassembly can lead to resource exhaustion
Summary
Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to versions 7.0.16 and 8.0.5, DNP3 reassembly could buffer data without sufficient parser-level bounds. Crafted DNP3 traffic may cause Suricata to consume excessive memory, potentially resulting in denial of service. Versions 7.0.16 and 8.0.5 contain a fix. As a workaround, disable DNP3 (which is not enabled by default) if it is not needed, and/or define a limited `stream.reassembly.depth` (0 or absent is unlimited).
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-11 17:41 UTC
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/OISF/suricata/security/advisor… | x_refsource_CONFIRM |
| https://forum.suricata.io/t/suricata-8-0-5-and-7-… | x_refsource_MISC |
| https://redmine.openinfosecfoundation.org/issues/8460 | x_refsource_MISC |
Impacted products
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CVE-2026-45759 (GCVE-0-2026-45759)
Vulnerability from cvelistv5 – Published: 2026-09-10 21:01 – Updated: 2026-09-11 14:55
VLAI
EPSS
VEX
Title
Suricata http1: quadratic Content-Disposition processing can lead to denial of service
Summary
Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to versions 7.0.16 and 8.0.5, Suricata could repeatedly perform expensive parsing of large HTTP `Content-Disposition` headers during HTTP response body processing. Crafted HTTP traffic could cause excessive CPU usage and denial of service. Versions 7.0.16 and 8.0.5 contain a fix. As a workaround, use a rule like `alert http1 any any -> any any (sid: 1; http.request_header; content: "Content-Disposition:"; startswith; bsize: > 8192; bypass;)`.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-11 14:55 UTC
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/OISF/suricata/security/advisor… | x_refsource_CONFIRM |
| https://forum.suricata.io/t/suricata-8-0-5-and-7-… | x_refsource_MISC |
| https://redmine.openinfosecfoundation.org/issues/8529 | x_refsource_MISC |
Impacted products
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CVE-2026-45756 (GCVE-0-2026-45756)
Vulnerability from cvelistv5 – Published: 2026-07-14 17:57 – Updated: 2026-07-21 18:48
VLAI
EPSS
VEX
Title
Symfony: JsonPath Evaluates Attacker-Controlled Regular Expressions in match()/search() Without Limits — ReDoS
Summary
Symfony is a PHP framework for web and console applications and a set of reusable PHP components. From 7.3.0-BETA1 until 7.4.12 and 8.0.12, the JsonPath component compiles attacker-controlled match() and search() filter patterns directly into preg_match() without a length cap, i-regexp restriction, or bounded backtracking, allowing catastrophic-backtracking expressions to pin worker CPU and cause denial of service. This issue is fixed in versions 7.4.12 and 8.0.12.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-21 18:48 UTC
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/symfony/symfony/security/advis… | x_refsource_CONFIRM |
| https://github.com/symfony/symfony/commit/1ac2d47… | x_refsource_MISC |
| https://github.com/symfony/symfony/releases/tag/v7.4.12 | x_refsource_MISC |
| https://github.com/symfony/symfony/releases/tag/v8.0.12 | x_refsource_MISC |
Impacted products
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CVE-2026-45713 (GCVE-0-2026-45713)
Vulnerability from cvelistv5 – Published: 2026-07-20 15:01 – Updated: 2026-07-20 16:16
VLAI
EPSS
VEX
Title
Mailpit: Unauthenticated remote memory-exhaustion DoS via unlimited SMTP DATA and /api/v1/send body sizes
Summary
Mailpit is an email testing tool and API for developers. Prior to version 1.30.0, the Mailpit SMTP server has a Server.MaxSize int field that controls the maximum allowed DATA payload size, but the field is never assigned anywhere outside test code, leaving it at Go's zero value (0 ⇒ "no limit"). The same applies to the HTTP /api/v1/send endpoint, whose request body is decoded with json.NewDecoder(r.Body) and no http.MaxBytesReader. Because Mailpit's default listeners bind [::]:1025 (SMTP) and [::]:8025 (HTTP), with no authentication required on either, a single network-reachable attacker can push an arbitrarily large message into Mailpit and watch RAM consumption spike with a ~7-10× amplification factor (raw frame → enmime envelope tree → search-text index → zstd-encoded write to SQLite). Repeating the attack — or running it concurrently from multiple connections — drives the process to OOM-kill. Version 1.30.0 contains a patch.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-20 16:16 UTC
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/axllent/mailpit/security/advis… | x_refsource_CONFIRM |
| https://github.com/axllent/mailpit/releases/tag/v1.30.0 | x_refsource_MISC |
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"url": "https://github.com/axllent/mailpit/security/advisories/GHSA-fpxj-m5q8-fphw"
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],
"title": "CISA ADP Vulnrichment"
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"product": "mailpit",
"vendor": "axllent",
"versions": [
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"status": "affected",
"version": "\u003c 1.30.0"
}
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}
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"descriptions": [
{
"lang": "en",
"value": "Mailpit is an email testing tool and API for developers. Prior to version 1.30.0, the Mailpit SMTP server has a Server.MaxSize int field that controls the maximum allowed DATA payload size, but the field is never assigned anywhere outside test code, leaving it at Go\u0027s zero value (0 \u21d2 \"no limit\"). The same applies to the HTTP /api/v1/send endpoint, whose request body is decoded with json.NewDecoder(r.Body) and no http.MaxBytesReader. Because Mailpit\u0027s default listeners bind [::]:1025 (SMTP) and [::]:8025 (HTTP), with no authentication required on either, a single network-reachable attacker can push an arbitrarily large message into Mailpit and watch RAM consumption spike with a ~7-10\u00d7 amplification factor (raw frame \u2192 enmime envelope tree \u2192 search-text index \u2192 zstd-encoded write to SQLite). Repeating the attack \u2014 or running it concurrently from multiple connections \u2014 drives the process to OOM-kill. Version 1.30.0 contains a patch."
}
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"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
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"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
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},
{
"descriptions": [
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"cweId": "CWE-770",
"description": "CWE-770: Allocation of Resources Without Limits or Throttling",
"lang": "en",
"type": "CWE"
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"discovery": "UNKNOWN"
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"title": "Mailpit: Unauthenticated remote memory-exhaustion DoS via unlimited SMTP DATA and /api/v1/send body sizes"
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},
"cveMetadata": {
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"dateReserved": "2026-05-13T05:51:48.665Z",
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CVE-2026-45680 (GCVE-0-2026-45680)
Vulnerability from cvelistv5 – Published: 2026-06-02 15:24 – Updated: 2026-06-03 13:47
VLAI
EPSS
VEX
Title
OpenTelemetry eBPF Instrumentation: Unbounded BPF internal metrics replay can exhaust CPU
Summary
OpenTelemetry eBPF Instrumentation provides eBPF instrumentation based on the OpenTelemetry standard. Prior to version 0.9.0, OBI replays BPF probe hits into histogram observations by looping once per recorded run count. On busy systems, the run-count delta can become very large, causing the metrics exporter to spend excessive CPU time in a tight loop every collection interval. This issue has been patched in version 0.9.0.
Severity
5.9 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-03 13:46 UTC
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/open-telemetry/opentelemetry-e… | x_refsource_CONFIRM |
| https://github.com/open-telemetry/opentelemetry-e… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| open-telemetry | opentelemetry-ebpf-instrumentation |
Affected:
< 0.9.0
|
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"title": "CISA ADP Vulnrichment"
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"vendor": "open-telemetry",
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"status": "affected",
"version": "\u003c 0.9.0"
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}
],
"metrics": [
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"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 5.9,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
}
}
],
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"description": "CWE-400: Uncontrolled Resource Consumption",
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"type": "CWE"
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]
},
{
"descriptions": [
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"cweId": "CWE-834",
"description": "CWE-834: Excessive Iteration",
"lang": "en",
"type": "CWE"
}
]
}
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"providerMetadata": {
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"name": "https://github.com/open-telemetry/opentelemetry-ebpf-instrumentation/security/advisories/GHSA-89c6-vpcj-7vj4",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/open-telemetry/opentelemetry-ebpf-instrumentation/security/advisories/GHSA-89c6-vpcj-7vj4"
},
{
"name": "https://github.com/open-telemetry/opentelemetry-ebpf-instrumentation/releases/tag/v0.9.0",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/open-telemetry/opentelemetry-ebpf-instrumentation/releases/tag/v0.9.0"
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"source": {
"advisory": "GHSA-89c6-vpcj-7vj4",
"discovery": "UNKNOWN"
},
"title": "OpenTelemetry eBPF Instrumentation: Unbounded BPF internal metrics replay can exhaust CPU"
}
},
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"datePublished": "2026-06-02T15:24:46.329Z",
"dateReserved": "2026-05-12T21:59:25.667Z",
"dateUpdated": "2026-06-03T13:47:22.757Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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.