Common Weakness Enumeration
CWE-1284
AllowedImproper Validation of Specified Quantity in Input
Abstraction: Base · Status: Incomplete
The product receives input that is expected to specify a quantity (such as size or length), but it does not validate or incorrectly validates that the quantity has the required properties.
566 vulnerabilities reference this CWE, most recent first.
CVE-2025-46656 (GCVE-0-2025-46656)
Vulnerability from cvelistv5 – Published: 2025-04-26 00:00 – Updated: 2025-04-29 15:22
VLAI
EPSS
VEX
Summary
python-markdownify (aka markdownify) before 0.14.1 allows large headline prefixes such as <h9999999> in addition to <h1> through <h6>. This causes memory consumption.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-29 14:57 UTC
CWE
- CWE-1284 - Improper Validation of Specified Quantity in Input
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| python-markdownify | python-markdownify |
Affected:
0 , < 0.14.1
(semver)
|
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CVE-2025-43972 (GCVE-0-2025-43972)
Vulnerability from cvelistv5 – Published: 2025-04-21 00:00 – Updated: 2025-04-21 01:54
VLAI
EPSS
VEX
Summary
An issue was discovered in GoBGP before 3.35.0. An attacker can cause a crash in the pkg/packet/bgp/bgp.go flowspec parser by sending fewer than 20 bytes in a certain context.
Severity
6.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-21 01:54 UTC
CWE
- CWE-1284 - Improper Validation of Specified Quantity in Input
Assigner
References
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CVE-2025-43970 (GCVE-0-2025-43970)
Vulnerability from cvelistv5 – Published: 2025-04-21 00:00 – Updated: 2025-04-21 01:56
VLAI
EPSS
VEX
Summary
An issue was discovered in GoBGP before 3.35.0. pkg/packet/mrt/mrt.go does not properly check the input length, e.g., by ensuring that there are 12 bytes or 36 bytes (depending on the address family).
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-21 01:55 UTC
CWE
- CWE-1284 - Improper Validation of Specified Quantity in Input
Assigner
References
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CVE-2025-43964 (GCVE-0-2025-43964)
Vulnerability from cvelistv5 – Published: 2025-04-20 00:00 – Updated: 2025-11-03 20:04
VLAI
EPSS
VEX
Summary
In LibRaw before 0.21.4, tag 0x412 processing in phase_one_correct in decoders/load_mfbacks.cpp does not enforce minimum w0 and w1 values.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-21 02:12 UTC
CWE
- CWE-1284 - Improper Validation of Specified Quantity in Input
Assigner
References
Impacted products
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CVE-2025-43881 (GCVE-0-2025-43881)
Vulnerability from cvelistv5 – Published: 2025-07-23 04:38 – Updated: 2025-07-23 15:14
VLAI
EPSS
VEX
Summary
Improper validation of specified quantity in input issue exists in Real-time Bus Tracking System versions prior to 1.1. If exploited, a denial of service (DoS) condition may be caused by an attacker who can log in to the administrative page of the affected product.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-07-23 14:22 UTC
CWE
- CWE-1284 - Improper validation of specified quantity in input
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SYNCK GRAPHICA | Real-time Bus Tracking System |
Affected:
versions prior to 1.1
|
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CVE-2025-43793 (GCVE-0-2025-43793)
Vulnerability from cvelistv5 – Published: 2025-09-15 15:34 – Updated: 2025-09-15 15:53
VLAI
EPSS
VEX
Summary
Liferay Portal 7.4.0 through 7.4.3.105, and older unsupported versions, and Liferay DXP 2023.Q4.0, 2023.Q3.1 through 2023.Q3.4, 7.4 GA through update 92, 7.3 GA through update 35, and older unsupported versions may incorrectly identify the subdomain of a domain name and create a supercookie, which allows remote attackers who control a website that share the same TLD to read cookies set by the application.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-09-15 15:53 UTC
CWE
- CWE-1284 - Improper Validation of Specified Quantity in Input
Assigner
References
1 reference
Impacted products
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CVE-2025-41100 (GCVE-0-2025-41100)
Vulnerability from cvelistv5 – Published: 2025-07-21 12:47 – Updated: 2025-07-21 13:06
VLAI
EPSS
VEX
Title
Incorrect authentication in ParkingDoor
Summary
Incorrect authentication vulnerability in ParkingDoor. Through this vulnerability it is possible to operate the device without the access being logged in the application and even if the access permissions have been revoked.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-07-21 13:06 UTC
CWE
- CWE-1284 - Improper Validation of Specified Quantity in Input
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| ParkingDoor | ParkingDoor |
Affected:
2016.08.11.1
|
Date Public
2025-07-21 10:00
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CVE-2025-36428 (GCVE-0-2025-36428)
Vulnerability from cvelistv5 – Published: 2026-01-30 21:27 – Updated: 2026-02-02 16:32
VLAI
EPSS
VEX
Title
IBM Db2 Denial of Service
Summary
IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.5.0 - 11.5.9 and 12.1.0 - 12.1.3 could allow an authenticated user to cause a denial of service due to improper neutralization of special elements in data query logic when the RPSCAN feature is enabled.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-02 16:25 UTC
CWE
- CWE-1284 - Improper Validation of Specified Quantity in Input
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.ibm.com/support/pages/node/7257697 | vendor-advisorypatch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| IBM | Db2 for Linux, UNIX and Windows |
Affected:
11.5.0 , ≤ 11.5.9
(semver)
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CVE-2025-36427 (GCVE-0-2025-36427)
Vulnerability from cvelistv5 – Published: 2026-01-30 21:27 – Updated: 2026-02-04 17:27
VLAI
EPSS
VEX
Title
IBM Db2 Denial of Service
Summary
IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) could allow a user to cause a denial of service due to insufficient validation of special elements in data query logic.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-02 16:25 UTC
CWE
- CWE-1284 - Improper Validation of Specified Quantity in Input
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.ibm.com/support/pages/node/7257696 | vendor-advisorypatch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| IBM | Db2 for Linux, UNIX and Windows |
Affected:
11.5.0 , ≤ 11.5.9
(semver)
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CVE-2025-36424 (GCVE-0-2025-36424)
Vulnerability from cvelistv5 – Published: 2026-01-30 21:27 – Updated: 2026-02-04 17:28
VLAI
EPSS
VEX
Title
IBM Db2 Denial of Service
Summary
IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) could allow a user to cause a denial of service due to improper neutralization of special elements in data query logic.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-02 16:25 UTC
CWE
- CWE-1284 - Improper Validation of Specified Quantity in Input
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.ibm.com/support/pages/node/7257695 | vendor-advisorypatch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| IBM | Db2 for Linux, UNIX and Windows |
Affected:
11.5.0 , ≤ 11.5.9
(semver)
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"value": "\u003cp\u003eCustomers running any vulnerable modpack level of an affected Program, V11.5, and V12.1, can download the special build containing the interim fix for this issue from Fix Central. These special builds are available based on the most recent level for each impacted release: V11.5.9, V12.1.2 and V12.1.3. They can be applied to any affected level of the appropriate release to remediate this vulnerability.\u003c/p\u003e\u003cp\u003e\u0026nbsp;\u003c/p\u003e\u003cdiv\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eRelease\u003c/strong\u003e\u003c/td\u003e\u003ctd\u003e\u003cstrong\u003eFixed in mod pack\u003c/strong\u003e\u003c/td\u003e\u003ctd\u003e\u003cstrong\u003eAPAR\u003c/strong\u003e\u003c/td\u003e\u003ctd\u003e\u003cstrong\u003eDownload URL\u003c/strong\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eV11.5\u003c/td\u003e\u003ctd\u003eTBD\u003c/td\u003e\u003ctd\u003e\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://www.ibm.com/mysupport/s/defect/aCIgJ0000006cdi/dt453924\"\u003eDT453924\u003c/a\u003e\u003c/td\u003e\u003ctd\u003e\u003cp\u003eSpecial Build #66394 or later for V11.5.9 available at this link:\u003cbr\u003e\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://www.ibm.com/support/pages/node/7087189\"\u003ehttps://www.ibm.com/support/pages/node/7087189\u003c/a\u003e\u003c/p\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cp\u003eV12.1\u003c/p\u003e\u003cp\u003e\u0026nbsp;\u003c/p\u003e\u003c/td\u003e\u003ctd\u003e\u003cp\u003eTBD\u003c/p\u003e\u003cp\u003e\u0026nbsp;\u003c/p\u003e\u003c/td\u003e\u003ctd\u003e\u003cp\u003e\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://www.ibm.com/mysupport/s/defect/aCIgJ0000006cdi/dt453924\"\u003eDT453924\u003c/a\u003e\u003c/p\u003e\u003cp\u003e\u0026nbsp;\u003c/p\u003e\u003c/td\u003e\u003ctd\u003e\u003cp\u003eSpecial Build #72296 or later for V12.1.2 available at this link:\u003c/p\u003e\u003cp\u003e\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://www.ibm.com/support/pages/db2-v1212-published-cumulative-special-build-downloads\"\u003ehttps://www.ibm.com/support/pages/db2-v1212-published-cumulative-special-build-downloads\u003c/a\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eSpecial Build #71609 or later for V12.1.3 available at this link:\u003cbr\u003e\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://www.ibm.com/support/pages/db2-v1213-published-cumulative-special-build-downloads\"\u003ehttps://www.ibm.com/support/pages/db2-v1213-published-cumulative-special-build-downloads\u003c/a\u003e\u003c/p\u003e\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003c/div\u003e\u003cbr\u003e"
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"value": "Customers running any vulnerable modpack level of an affected Program, V11.5, and V12.1, can download the special build containing the interim fix for this issue from Fix Central. These special builds are available based on the most recent level for each impacted release: V11.5.9, V12.1.2 and V12.1.3. They can be applied to any affected level of the appropriate release to remediate this vulnerability.\n\n\u00a0\n\nReleaseFixed in mod packAPARDownload URLV11.5TBD https://www.ibm.com/support/pages/node/7087189 \n\nV12.1\n\n\u00a0\n\nTBD\n\n\u00a0\n\n https://www.ibm.com/support/pages/db2-v1212-published-cumulative-special-build-downloads \n\n\nSpecial Build #71609 or later for V12.1.3 available at this link:\n https://www.ibm.com/support/pages/db2-v1213-published-cumulative-special-build-downloads"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "IBM Db2 Denial of Service",
"x_generator": {
"engine": "Vulnogram 0.5.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
"assignerShortName": "ibm",
"cveId": "CVE-2025-36424",
"datePublished": "2026-01-30T21:27:34.569Z",
"dateReserved": "2025-04-15T21:17:02.754Z",
"dateUpdated": "2026-02-04T17:28:32.979Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
Mitigation MIT-5
Implementation
Strategy: Input Validation
- Assume all input is malicious. Use an "accept known good" input validation strategy, i.e., use a list of acceptable inputs that strictly conform to specifications. Reject any input that does not strictly conform to specifications, or transform it into something that does.
- When performing input validation, consider all potentially relevant properties, including length, type of input, the full range of acceptable values, missing or extra inputs, syntax, consistency across related fields, and conformance to business rules. As an example of business rule logic, "boat" may be syntactically valid because it only contains alphanumeric characters, but it is not valid if the input is only expected to contain colors such as "red" or "blue."
- Do not rely exclusively on looking for malicious or malformed inputs. This is likely to miss at least one undesirable input, especially if the code's environment changes. This can give attackers enough room to bypass the intended validation. However, denylists can be useful for detecting potential attacks or determining which inputs are so malformed that they should be rejected outright.
No CAPEC attack patterns related to this CWE.