CWE-400
DiscouragedUncontrolled Resource Consumption
Abstraction: Class · Status: Draft
The product does not properly control the allocation and maintenance of a limited resource.
5569 vulnerabilities reference this CWE, most recent first.
GHSA-8PCH-JP5P-47JQ
Vulnerability from github – Published: 2022-05-13 01:31 – Updated: 2022-05-13 01:31Moxa IKS and EDS allow remote authenticated users to cause a denial of service via a specially crafted packet, which may cause the switch to crash.
{
"affected": [],
"aliases": [
"CVE-2019-6559"
],
"database_specific": {
"cwe_ids": [
"CWE-400"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2019-03-05T20:29:00Z",
"severity": "MODERATE"
},
"details": "Moxa IKS and EDS allow remote authenticated users to cause a denial of service via a specially crafted packet, which may cause the switch to crash.",
"id": "GHSA-8pch-jp5p-47jq",
"modified": "2022-05-13T01:31:11Z",
"published": "2022-05-13T01:31:11Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2019-6559"
},
{
"type": "WEB",
"url": "https://ics-cert.us-cert.gov/advisories/ICSA-19-057-01"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/bid/107178"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-8PFM-5Q24-RR75
Vulnerability from github – Published: 2026-01-20 15:33 – Updated: 2026-02-02 18:31A security issue exists within ArmorStart® LT that can result in a denial-of-service condition. This vulnerability is triggered during fuzzing of multiple CIP classes, which causes the CIP port to become unresponsive.
{
"affected": [],
"aliases": [
"CVE-2025-9464"
],
"database_specific": {
"cwe_ids": [
"CWE-400"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-01-20T14:16:15Z",
"severity": "HIGH"
},
"details": "A security issue exists within ArmorStart\u00ae LT that can result in a denial-of-service condition. This vulnerability is triggered during fuzzing of multiple CIP classes, which causes the CIP port to become unresponsive.",
"id": "GHSA-8pfm-5q24-rr75",
"modified": "2026-02-02T18:31:31Z",
"published": "2026-01-20T15:33:13Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-9464"
},
{
"type": "WEB",
"url": "https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1768.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"type": "CVSS_V4"
}
]
}
GHSA-8PJH-CF85-78CC
Vulnerability from github – Published: 2023-06-06 09:30 – Updated: 2024-04-04 04:33Transient DOS due to uncontrolled resource consumption in Linux kernel when malformed messages are sent from the Gunyah Resource Manager message queue.
{
"affected": [],
"aliases": [
"CVE-2022-33303"
],
"database_specific": {
"cwe_ids": [
"CWE-400"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2023-06-06T08:15:10Z",
"severity": "MODERATE"
},
"details": "Transient DOS due to uncontrolled resource consumption in Linux kernel when malformed messages are sent from the Gunyah Resource Manager message queue.",
"id": "GHSA-8pjh-cf85-78cc",
"modified": "2024-04-04T04:33:56Z",
"published": "2023-06-06T09:30:18Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-33303"
},
{
"type": "WEB",
"url": "https://www.qualcomm.com/company/product-security/bulletins/june-2023-bulletin"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-8PPF-4F7H-5PPJ
Vulnerability from github – Published: 2026-07-21 19:11 – Updated: 2026-07-21 19:11Impact
The BER/CER/DER decoders process OBJECT IDENTIFIER and RELATIVE-OID values in quadratic time relative to the number of arcs. A small crafted payload (tens of kilobytes) containing an OID with many arcs consumes seconds of CPU per decode() call, allowing denial of service in any application that decodes untrusted ASN.1 data (certificates, LDAP, SNMP, Kerberos, etc.). The corresponding encoders have the same quadratic behavior, reachable when an application re-encodes previously decoded attacker-supplied values.
The arc-size limit introduced for CVE-2026-23490 bounds the byte length of an individual arc but not the number of arcs, so it does not mitigate this issue.
Affected components
ObjectIdentifierPayloadDecoder and RelativeOIDPayloadDecoder in pyasn1/codec/ber/decoder.py; ObjectIdentifierEncoder and RelativeOIDEncoder in pyasn1/codec/ber/encoder.py. The CER and DER codecs inherit these and are equally affected.
Patches
Fixed in pyasn1 0.6.4: arc accumulation in both decoders and encoders now runs in linear time.
Workarounds
Limit the size of untrusted ASN.1 input before decoding.
{
"affected": [
{
"database_specific": {
"last_known_affected_version_range": "\u003c= 0.6.3"
},
"package": {
"ecosystem": "PyPI",
"name": "pyasn1"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.6.4"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2026-59885"
],
"database_specific": {
"cwe_ids": [
"CWE-400",
"CWE-407"
],
"github_reviewed": true,
"github_reviewed_at": "2026-07-21T19:11:03Z",
"nvd_published_at": "2026-07-14T17:17:14Z",
"severity": "HIGH"
},
"details": "### Impact\nThe BER/CER/DER decoders process OBJECT IDENTIFIER and RELATIVE-OID values in quadratic time relative to the number of arcs. A small crafted payload (tens of kilobytes) containing an OID with many arcs consumes seconds of CPU per decode() call, allowing denial of service in any application that decodes untrusted ASN.1 data (certificates, LDAP, SNMP, Kerberos, etc.). The corresponding encoders have the same quadratic behavior, reachable when an application re-encodes previously decoded attacker-supplied values.\n\nThe arc-size limit introduced for CVE-2026-23490 bounds the byte length of an individual arc but not the number of arcs, so it does not mitigate this issue.\n\n### Affected components\nObjectIdentifierPayloadDecoder and RelativeOIDPayloadDecoder in pyasn1/codec/ber/decoder.py; ObjectIdentifierEncoder and RelativeOIDEncoder in pyasn1/codec/ber/encoder.py. The CER and DER codecs inherit these and are equally affected.\n\n### Patches\nFixed in pyasn1 0.6.4: arc accumulation in both decoders and encoders now runs in linear time.\n\n### Workarounds\nLimit the size of untrusted ASN.1 input before decoding.",
"id": "GHSA-8ppf-4f7h-5ppj",
"modified": "2026-07-21T19:11:03Z",
"published": "2026-07-21T19:11:03Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/pyasn1/pyasn1/security/advisories/GHSA-8ppf-4f7h-5ppj"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-59885"
},
{
"type": "WEB",
"url": "https://github.com/pyasn1/pyasn1/commit/45bdb19eb7df4b3780fe9c912c63e99bffc39dd9"
},
{
"type": "PACKAGE",
"url": "https://github.com/pyasn1/pyasn1"
},
{
"type": "WEB",
"url": "https://github.com/pyasn1/pyasn1/releases/tag/v0.6.4"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
],
"summary": "pyasn1: Quadratic complexity in OBJECT IDENTIFIER and RELATIVE-OID processing allows denial of service"
}
GHSA-8PR4-262G-CRH2
Vulnerability from github – Published: 2023-12-12 03:31 – Updated: 2024-09-29 00:30SAP Cloud Connector - version 2.0, allows an authenticated user with low privilege to perform Denial of service attack from adjacent UI by sending a malicious request which leads to low impact on the availability and no impact on confidentiality or Integrity of the application.
{
"affected": [],
"aliases": [
"CVE-2023-49578"
],
"database_specific": {
"cwe_ids": [
"CWE-400",
"CWE-732"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2023-12-12T02:15:07Z",
"severity": "LOW"
},
"details": "SAP Cloud Connector - version 2.0, allows an authenticated user with low privilege to perform Denial of service attack from adjacent UI by sending a malicious request which leads to low impact on the availability and no impact on confidentiality or Integrity\u00a0 of the application.\n\n",
"id": "GHSA-8pr4-262g-crh2",
"modified": "2024-09-29T00:30:57Z",
"published": "2023-12-12T03:31:45Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-49578"
},
{
"type": "WEB",
"url": "https://me.sap.com/notes/3362463"
},
{
"type": "WEB",
"url": "https://www.sap.com/documents/2022/02/fa865ea4-167e-0010-bca6-c68f7e60039b.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
}
]
}
GHSA-8PRR-WVVW-94GV
Vulnerability from github – Published: 2022-05-24 19:14 – Updated: 2022-05-24 19:14On BIG-IP version 16.0.x before 16.0.1.2 and 15.1.x before 15.1.3, when the iRules RESOLVER::summarize command is used on a virtual server, undisclosed requests can cause an increase in Traffic Management Microkernel (TMM) memory utilization resulting in an out-of-memory condition and a denial-of-service (DoS). Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
{
"affected": [],
"aliases": [
"CVE-2021-23049"
],
"database_specific": {
"cwe_ids": [
"CWE-400"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2021-09-14T13:15:00Z",
"severity": "HIGH"
},
"details": "On BIG-IP version 16.0.x before 16.0.1.2 and 15.1.x before 15.1.3, when the iRules RESOLVER::summarize command is used on a virtual server, undisclosed requests can cause an increase in Traffic Management Microkernel (TMM) memory utilization resulting in an out-of-memory condition and a denial-of-service (DoS). Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.",
"id": "GHSA-8prr-wvvw-94gv",
"modified": "2022-05-24T19:14:26Z",
"published": "2022-05-24T19:14:26Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-23049"
},
{
"type": "WEB",
"url": "https://support.f5.com/csp/article/K65397301"
}
],
"schema_version": "1.4.0",
"severity": []
}
GHSA-8PVX-W36X-67CM
Vulnerability from github – Published: 2022-05-13 01:16 – Updated: 2022-05-13 01:16An issue was discovered in Qt before 5.11.3. There is QTgaFile Uncontrolled Resource Consumption.
{
"affected": [],
"aliases": [
"CVE-2018-19871"
],
"database_specific": {
"cwe_ids": [
"CWE-400"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2018-12-26T21:29:00Z",
"severity": "MODERATE"
},
"details": "An issue was discovered in Qt before 5.11.3. There is QTgaFile Uncontrolled Resource Consumption.",
"id": "GHSA-8pvx-w36x-67cm",
"modified": "2022-05-13T01:16:05Z",
"published": "2022-05-13T01:16:05Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2018-19871"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2019:2135"
},
{
"type": "WEB",
"url": "https://blog.qt.io/blog/2018/12/04/qt-5-11-3-released-important-security-updates"
},
{
"type": "WEB",
"url": "https://codereview.qt-project.org/#/c/237761"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2019/05/msg00014.html"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2020/09/msg00023.html"
},
{
"type": "WEB",
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00002.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-8Q46-8C27-MJGG
Vulnerability from github – Published: 2023-12-12 12:30 – Updated: 2023-12-14 21:31Denial-of-service (DoS) vulnerability exists in FTP service of HMI GC-A2 series. If a remote unauthenticated attacker sends a specially crafted packets to specific ports, a denial-of-service (DoS) condition may occur.
{
"affected": [],
"aliases": [
"CVE-2023-41963"
],
"database_specific": {
"cwe_ids": [
"CWE-400"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2023-12-12T10:15:10Z",
"severity": "HIGH"
},
"details": "Denial-of-service (DoS) vulnerability exists in FTP service of HMI GC-A2 series. If a remote unauthenticated attacker sends a specially crafted packets to specific ports, a denial-of-service (DoS) condition may occur.",
"id": "GHSA-8q46-8c27-mjgg",
"modified": "2023-12-14T21:31:14Z",
"published": "2023-12-12T12:30:51Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-41963"
},
{
"type": "WEB",
"url": "https://jvn.jp/en/jp/JVN34145838"
},
{
"type": "WEB",
"url": "https://www.electronics.jtekt.co.jp/en/topics/202312116562"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-8Q58-8VM2-MF3Q
Vulnerability from github – Published: 2023-11-06 09:30 – Updated: 2024-09-16 15:32A vulnerability was found in Samba's "rpcecho" development server, a non-Windows RPC server used to test Samba's DCE/RPC stack elements. This vulnerability stems from an RPC function that can be blocked indefinitely. The issue arises because the "rpcecho" service operates with only one worker in the main RPC task, allowing calls to the "rpcecho" server to be blocked for a specified time, causing service disruptions. This disruption is triggered by a "sleep()" call in the "dcesrv_echo_TestSleep()" function under specific conditions. Authenticated users or attackers can exploit this vulnerability to make calls to the "rpcecho" server, requesting it to block for a specified duration, effectively disrupting most services and leading to a complete denial of service on the AD DC. The DoS affects all other services as "rpcecho" runs in the main RPC task.
{
"affected": [],
"aliases": [
"CVE-2023-42669"
],
"database_specific": {
"cwe_ids": [
"CWE-400"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2023-11-06T07:15:09Z",
"severity": "MODERATE"
},
"details": "A vulnerability was found in Samba\u0027s \"rpcecho\" development server, a non-Windows RPC server used to test Samba\u0027s DCE/RPC stack elements. This vulnerability stems from an RPC function that can be blocked indefinitely. The issue arises because the \"rpcecho\" service operates with only one worker in the main RPC task, allowing calls to the \"rpcecho\" server to be blocked for a specified time, causing service disruptions. This disruption is triggered by a \"sleep()\" call in the \"dcesrv_echo_TestSleep()\" function under specific conditions. Authenticated users or attackers can exploit this vulnerability to make calls to the \"rpcecho\" server, requesting it to block for a specified duration, effectively disrupting most services and leading to a complete denial of service on the AD DC. The DoS affects all other services as \"rpcecho\" runs in the main RPC task.",
"id": "GHSA-8q58-8vm2-mf3q",
"modified": "2024-09-16T15:32:45Z",
"published": "2023-11-06T09:30:14Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-42669"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2023:6209"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2023:6744"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2023:7371"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2023:7408"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2023:7464"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2023:7467"
},
{
"type": "WEB",
"url": "https://access.redhat.com/security/cve/CVE-2023-42669"
},
{
"type": "WEB",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2241884"
},
{
"type": "WEB",
"url": "https://bugzilla.samba.org/show_bug.cgi?id=15474"
},
{
"type": "WEB",
"url": "https://security.netapp.com/advisory/ntap-20231124-0002"
},
{
"type": "WEB",
"url": "https://www.samba.org/samba/security/CVE-2023-42669.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-8Q76-66PG-95C5
Vulnerability from github – Published: 2022-08-06 00:00 – Updated: 2022-08-16 00:00A Denial-of-Service vulnerability was discovered in the F-Secure Atlant and in certain WithSecure products while scanning fuzzed PE32-bit files it is possible that can crash the scanning engine. The exploit can be triggered remotely by an attacker.
{
"affected": [],
"aliases": [
"CVE-2022-28880"
],
"database_specific": {
"cwe_ids": [
"CWE-400"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2022-08-05T17:15:00Z",
"severity": "HIGH"
},
"details": "A Denial-of-Service vulnerability was discovered in the F-Secure Atlant and in certain WithSecure products while scanning fuzzed PE32-bit files it is possible that can crash the scanning engine. The exploit can be triggered remotely by an attacker.",
"id": "GHSA-8q76-66pg-95c5",
"modified": "2022-08-16T00:00:21Z",
"published": "2022-08-06T00:00:42Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-28880"
},
{
"type": "WEB",
"url": "https://www.f-secure.com/en/home/support/vulnerability-reward-program/hall-of-fame"
},
{
"type": "WEB",
"url": "https://www.withsecure.com/en/expertise/people"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
Mitigation
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
- 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
Ensure that protocols have specific limits of scale placed on them.
Mitigation
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.