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.
2353 vulnerabilities reference this CWE, most recent first.
CVE-2026-119204 (GCVE-0-2026-119204)
Vulnerability from cvelistv5 – Published: 2026-10-29 20:34 – Updated: 2026-11-04 01:42
VLAI
EPSS
VEX
Title
pypdf: Possible large memory usage when parsing page tree
Summary
pypdf is a free and open-source pure-python PDF library. Prior to 6.21.4, pypdf can consume excessive memory while parsing a crafted PDF page tree containing many shared resources. Page-tree flattening copies page dictionary and inherited resource entries without a document-wide entry budget, allowing the crafted resource structure to cause disproportionate allocations. This issue is fixed in version 6.21.4.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-04 01:42 UTC
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
GitHub_M
CNA
References
4 references
| URL | Tags |
|---|---|
| https://github.com/py-pdf/pypdf/security/advisori… | x_refsource_CONFIRM |
| https://github.com/py-pdf/pypdf/pull/4290 | x_refsource_MISC |
| https://github.com/py-pdf/pypdf/commit/ea4ac66313… | x_refsource_MISC |
| https://github.com/py-pdf/pypdf/releases/tag/6.21.4 | x_refsource_MISC |
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CVE-2026-119191 (GCVE-0-2026-119191)
Vulnerability from cvelistv5 – Published: 2026-10-29 19:26 – Updated: 2026-11-04 01:39
VLAI
EPSS
VEX
Title
Forge: ASN.1 resource exhaustion via BIT STRING decoding in asn1.fromDer
Summary
Forge (also called node-forge) is a native implementation of Transport Layer Security in JavaScript. Prior to 1.4.1, the affected implementation used asn1.fromDer(), BIT STRING decoding, maxDepth to process the relevant input or security decision. node-forge decoded ASN.1 stored inside BIT STRING values without consistently applying the configured maxDepth limit and recursively retained copies at each nesting level. Crafted DER containing nested BIT STRINGs could cause excessive recursion, CPU use, and quadratic memory consumption during asn1.fromDer(). This issue is fixed in version 1.4.1.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-04 01:39 UTC
Assigner
GitHub_M
CNA
References
4 references
| URL | Tags |
|---|---|
| https://github.com/digitalbazaar/forge/security/a… | x_refsource_CONFIRM |
| https://github.com/digitalbazaar/forge/commit/240… | x_refsource_MISC |
| https://github.com/digitalbazaar/forge/commit/523… | x_refsource_MISC |
| https://github.com/digitalbazaar/forge/releases/t… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| digitalbazaar | forge |
Affected:
< 1.4.1
|
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CVE-2026-118779 (GCVE-0-2026-118779)
Vulnerability from cvelistv5 – Published: 2026-10-29 18:45 – Updated: 2026-10-29 20:23
VLAI
EPSS
VEX
Title
Forge: Regular expression denial of service in PEM decoding (pem.decode)
Summary
Forge (also called node-forge) is a native implementation of Transport Layer Security in JavaScript. Prior to 1.4.1, the affected implementation used pem.decode(), lib/pem.js, missing END line to process the relevant input or security decision. node-forge used polynomial-time regular expressions in pem.decode(), including when searching for a matching END line and parsing encapsulated headers. An unauthenticated attacker able to supply PEM input to any high-level parser could consume excessive CPU with a long malformed message and cause denial of service. This issue is fixed in version 1.4.1.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-29 20:22 UTC
CWE
Assigner
GitHub_M
CNA
References
3 references
| URL | Tags |
|---|---|
| https://github.com/digitalbazaar/forge/security/a… | x_refsource_CONFIRM |
| https://github.com/digitalbazaar/forge/commit/412… | x_refsource_MISC |
| https://github.com/digitalbazaar/forge/releases/t… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| digitalbazaar | forge |
Affected:
< 1.4.1
|
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CVE-2026-118773 (GCVE-0-2026-118773)
Vulnerability from cvelistv5 – Published: 2026-10-29 18:27 – Updated: 2026-10-30 17:12
VLAI
EPSS
VEX
Title
Glob: AbortSignal cancellation bypass allows post-timeout filesystem traversal
Summary
Glob matches files using patterns the shell uses. From 9.0.0 until 14.0.2, abort branches in src/walker.ts, including GlobUtil.walkCB(), GlobUtil.walkCB2(), GlobUtil.walkCBSync(), and GlobUtil.walkCB2Sync(), invoke the callbacks without returning. After AbortSignal or AbortSignal.timeout() rejects or emits an error, execution can continue into processor.processPatterns(), readdirCB(), and recursive traversal. The issue affects glob() and globStream() when applications expose attacker-influenced patterns or directory trees and rely on cancellation as a traversal budget. Repeated timed-out requests can stack background filesystem operations and CPU work, degrading worker throughput or service availability; no confidentiality or integrity impact was observed. This issue is fixed in 14.0.2.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-30 15:20 UTC
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
GitHub_M
CNA
References
3 references
| URL | Tags |
|---|---|
| https://github.com/isaacs/node-glob/security/advi… | x_refsource_CONFIRM |
| https://github.com/isaacs/node-glob/commit/4682e8… | x_refsource_MISC |
| https://github.com/isaacs/node-glob/releases/tag/… | x_refsource_MISC |
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CVE-2026-118664 (GCVE-0-2026-118664)
Vulnerability from cvelistv5 – Published: 2026-10-28 20:37 – Updated: 2026-10-29 17:23
VLAI
EPSS
VEX
Title
decode-uri-component: Denial of service via quadratic replacement of percent-encoded runs
Summary
decode-uri-component provides a more robust alternative to decodeURIComponent. Prior to 0.5.1, decodeUriComponent in index.js falls back to customDecodeURIComponent after native decoding throws, and the fallback collects every distinct percent-encoded run before performing a full-string regular-expression replacement for each entry. Malformed input containing many distinct runs can therefore make both the number of replacements and the scanned input length grow together, causing quadratic CPU consumption and blocking the Node.js event loop; request-body inputs can reach the demonstrated size, while ordinary URL header limits reduce the practical delay. This issue is fixed in version 0.5.1.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-29 15:29 UTC
Assigner
GitHub_M
CNA
References
3 references
| URL | Tags |
|---|---|
| https://github.com/SamVerschueren/decode-uri-comp… | x_refsource_CONFIRM |
| https://github.com/SamVerschueren/decode-uri-comp… | x_refsource_MISC |
| https://github.com/SamVerschueren/decode-uri-comp… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SamVerschueren | decode-uri-component |
Affected:
< 0.5.1
|
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CVE-2026-118590 (GCVE-0-2026-118590)
Vulnerability from cvelistv5 – Published: 2026-10-29 00:00 – Updated: 2026-11-04 01:09
VLAI
EPSS
VEX
Title
nipy nibabel Header volumeutils.py array_from_file memory allocation
Summary
A security vulnerability has been detected in nipy nibabel up to 5.4.2. The affected element is the function array_from_file of the file nibabel/volumeutils.py of the component Header Handler. The manipulation leads to uncontrolled memory allocation. The attack is possible to be carried out remotely. The pull request to fix this issue awaits acceptance.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-04 01:09 UTC
Assigner
VulDB
CNA
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/428028 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/428028/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-118590 | third-party-advisory |
| https://vuldb.com/submit/1026208 | third-party-advisory |
| https://github.com/nipy/nibabel/issues/1566 | issue-tracking |
| https://github.com/nipy/nibabel/pull/1587 | issue-trackingpatch |
| https://github.com/nipy/nibabel/ | product |
Impacted products
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CVE-2026-118589 (GCVE-0-2026-118589)
Vulnerability from cvelistv5 – Published: 2026-10-28 23:45 – Updated: 2026-10-29 17:20
VLAI
EPSS
VEX
Title
nschloe meshio VTK Reader _vtk_42.py memory allocation
Summary
A weakness has been identified in nschloe meshio up to 5.3.5. Impacted is an unknown function of the file meshio/_vtk_42.py of the component VTK Reader. Executing a manipulation of the argument DIMENSIONS can lead to uncontrolled memory allocation. The attack can be executed remotely. The project was informed of the problem early through an issue report but has not responded yet.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-29 15:43 UTC
Assigner
VulDB
CNA
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/428027 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/428027/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-118589 | third-party-advisory |
| https://vuldb.com/submit/1026207 | third-party-advisory |
| https://github.com/nschloe/meshio/issues/1576 | issue-tracking |
| https://github.com/nschloe/meshio/ | product |
Impacted products
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CVE-2026-118276 (GCVE-0-2026-118276)
Vulnerability from cvelistv5 – Published: 2026-10-28 03:45 – Updated: 2026-11-02 20:07 X_Open Source
VLAI
EPSS
VEX
Title
a2ui-project a2ui Parser expression_parser.ts formatString resource consumption
Summary
A vulnerability was determined in a2ui-project a2ui up to 0.10.6. This vulnerability affects the function formatString of the file renderers/web_core/src/v0_9/basic_catalog/expressions/expression_parser.ts of the component Parser. This manipulation causes resource consumption. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized. Patch name: 1f71d1aac1b145ef57c7526f9e0cff316f5934e2. Applying a patch is the recommended action to fix this issue.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-02 20:06 UTC
Assigner
VulDB
CNA
References
8 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/427574 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/427574/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-118276 | third-party-advisory |
| https://vuldb.com/submit/1015139 | third-party-advisory |
| https://github.com/a2ui-project/a2ui/issues/2389 | exploitissue-tracking |
| https://github.com/a2ui-project/a2ui/pull/2433 | issue-trackingpatch |
| https://github.com/a2ui-project/a2ui/commit/1f71d… | patch |
| https://github.com/a2ui-project/a2ui/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| a2ui-project | a2ui |
Affected:
0.10.0
Affected: 0.10.1 Affected: 0.10.2 Affected: 0.10.3 Affected: 0.10.4 Affected: 0.10.5 Affected: 0.10.6 cpe:2.3:a:a2ui-project:a2ui:*:*:*:*:*:*:*:* |
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CVE-2026-118275 (GCVE-0-2026-118275)
Vulnerability from cvelistv5 – Published: 2026-10-28 03:30 – Updated: 2026-10-28 16:10 X_Open Source
VLAI
EPSS
VEX
Title
a2ui-project a2ui Resolver data-context.ts DataContext.resolveSignal resource consumption
Summary
A vulnerability was found in a2ui-project a2ui up to 0.10.6. This affects the function DataContext.resolveSignal of the file renderers/web_core/src/v0_9/rendering/data-context.ts of the component Resolver. The manipulation results in resource consumption. The attack can be launched remotely. The exploit has been made public and could be used. The patch is identified as c76e17272e52c12c6dcf68905b1df978c39e9aa5. It is advisable to implement a patch to correct this issue.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-28 15:59 UTC
Assigner
VulDB
CNA
References
8 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/427573 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/427573/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-118275 | third-party-advisory |
| https://vuldb.com/submit/1015137 | third-party-advisory |
| https://github.com/a2ui-project/a2ui/issues/2388 | exploitissue-tracking |
| https://github.com/a2ui-project/a2ui/pull/2432 | issue-trackingpatch |
| https://github.com/a2ui-project/a2ui/commit/c76e1… | patch |
| https://github.com/a2ui-project/a2ui/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| a2ui-project | a2ui |
Affected:
0.10.0
Affected: 0.10.1 Affected: 0.10.2 Affected: 0.10.3 Affected: 0.10.4 Affected: 0.10.5 Affected: 0.10.6 cpe:2.3:a:a2ui-project:a2ui:*:*:*:*:*:*:*:* |
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CVE-2026-118274 (GCVE-0-2026-118274)
Vulnerability from cvelistv5 – Published: 2026-10-28 02:45 – Updated: 2026-11-03 12:49 X_Open Source
VLAI
EPSS
VEX
Title
a2ui-project a2ui Binder generic-binder.ts resource consumption
Summary
A vulnerability has been found in a2ui-project a2ui up to 0.10.6. Affected by this issue is some unknown functionality of the file renderers/web_core/src/v0_9/rendering/generic-binder.ts of the component Binder. The manipulation leads to resource consumption. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of the patch is c97f4a02d3fea33ce3e9de5cf3fd0e3b8f3a4f0e. To fix this issue, it is recommended to deploy a patch.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-03 12:49 UTC
Assigner
VulDB
CNA
References
8 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/427572 | vdb-entry |
| https://vuldb.com/vuln/427572/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-118274 | third-party-advisory |
| https://vuldb.com/submit/1015118 | third-party-advisory |
| https://github.com/a2ui-project/a2ui/issues/2387 | exploitissue-tracking |
| https://github.com/a2ui-project/a2ui/pull/2431 | issue-trackingpatch |
| https://github.com/a2ui-project/a2ui/commit/c97f4… | patch |
| https://github.com/a2ui-project/a2ui/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| a2ui-project | a2ui |
Affected:
0.10.0
Affected: 0.10.1 Affected: 0.10.2 Affected: 0.10.3 Affected: 0.10.4 Affected: 0.10.5 Affected: 0.10.6 cpe:2.3:a:a2ui-project:a2ui:*:*:*:*:*:*:*:* |
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"time": "2026-10-27T01:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-10-27T22:02:02.000Z",
"value": "VulDB entry last update"
}
],
"title": "a2ui-project a2ui Binder generic-binder.ts resource consumption",
"x_generator": [
"VulDB PVTS v202610"
]
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2026-118274",
"datePublished": "2026-10-28T02:45:10.858Z",
"dateReserved": "2026-10-27T20:55:56.427Z",
"dateUpdated": "2026-11-03T12:49:28.786Z",
"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.