Common Weakness Enumeration
CWE-789
AllowedMemory Allocation with Excessive Size Value
Abstraction: Variant · Status: Draft
The product allocates memory based on an untrusted, large size value, but it does not ensure that the size is within expected limits, allowing arbitrary amounts of memory to be allocated.
414 vulnerabilities reference this CWE, most recent first.
CVE-2022-20717 (GCVE-0-2022-20717)
Vulnerability from cvelistv5 – Published: 2022-04-15 14:15 – Updated: 2024-11-06 16:27
VLAI
EPSS
VEX
Title
Cisco SD-WAN vEdge Routers Denial of Service Vulnerability
Summary
A vulnerability in the NETCONF process of Cisco SD-WAN vEdge Routers could allow an authenticated, local attacker to cause an affected device to run out of memory, resulting in a denial of service (DoS) condition. This vulnerability is due to insufficient memory management when an affected device receives large amounts of traffic. An attacker could exploit this vulnerability by sending malicious traffic to an affected device. A successful exploit could allow the attacker to cause the device to crash, resulting in a DoS condition.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-11-06 15:59 UTC
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/C… | vendor-advisoryx_refsource_CISCO |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco SD-WAN vEdge router |
Affected:
n/a
|
Date Public
2022-04-13 00:00
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CVE-2022-4741 (GCVE-0-2022-4741)
Vulnerability from cvelistv5 – Published: 2022-12-25 19:47 – Updated: 2024-08-03 01:48
VLAI
EPSS
VEX
Title
docconv XMLToText memory allocation
Summary
A vulnerability was found in docconv up to 1.2.0 and classified as problematic. This issue affects the function ConvertDocx/ConvertODT/ConvertPages/ConvertXML/XMLToText. The manipulation leads to uncontrolled memory allocation. The attack may be initiated remotely. Upgrading to version 1.2.1 is able to address this issue. The name of the patch is 42bcff666855ab978e67a9041d0cdea552f20301. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-216779.
Severity
4.3 (Medium)
4.3 (Medium)
CWE
- CWE-789 - Uncontrolled Memory Allocation
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.216779 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.216779 | signaturepermissions-required |
| https://github.com/sajari/docconv/pull/111 | issue-tracking |
| https://github.com/sajari/docconv/commit/42bcff66… | patch |
| https://github.com/sajari/docconv/releases/tag/v1.2.1 | patch |
Impacted products
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CVE-2021-47973 (GCVE-0-2021-47973)
Vulnerability from cvelistv5 – Published: 2026-05-16 15:26 – Updated: 2026-05-18 12:39
VLAI
EPSS
VEX
Title
Sticky Notes Widget 3.0.6 Denial of Service via Buffer Overflow
Summary
Sticky Notes Widget 3.0.6 contains a denial of service vulnerability that allows attackers to crash the application by pasting excessively long character strings into note fields. Attackers can generate a payload containing 350000 repeated characters and paste it twice into a new note to trigger an application crash on iOS devices.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-18 12:39 UTC
CWE
- CWE-789 - Memory Allocation with Excessive Size Value
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/49978 | exploit |
| https://www.vulncheck.com/advisories/sticky-notes… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| sticky-notes | Sticky Notes Widget |
Affected:
3.0.6
|
Date Public
2021-07-06 00:00
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CVE-2021-47972 (GCVE-0-2021-47972)
Vulnerability from cvelistv5 – Published: 2026-05-16 15:26 – Updated: 2026-05-18 17:53
VLAI
EPSS
VEX
Title
Sticky Notes & Color Widgets 1.4.2 Denial of Service
Summary
Sticky Notes & Color Widgets 1.4.2 contains a denial of service vulnerability that allows attackers to crash the application by creating notes with excessively long character strings. Attackers can paste large payloads of repeated characters into note fields to trigger application crashes and make the application stop responding.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-18 17:20 UTC
CWE
- CWE-789 - Memory Allocation with Excessive Size Value
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/49957 | exploit |
| https://www.vulncheck.com/advisories/sticky-notes… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| sticky-notes-color-widgets | Sticky Notes Color Widgets |
Affected:
1.4.2
|
Date Public
2021-04-06 00:00
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CVE-2021-47971 (GCVE-0-2021-47971)
Vulnerability from cvelistv5 – Published: 2026-05-16 15:26 – Updated: 2026-05-18 18:50
VLAI
EPSS
VEX
Title
My Notes Safe 5.3 Denial of Service via Buffer Overflow
Summary
My Notes Safe 5.3 contains a denial of service vulnerability that allows attackers to crash the application by pasting excessively long character strings into note fields. Attackers can generate a payload containing 350000 repeated characters and paste it twice into a new note to trigger an application crash.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-18 18:49 UTC
CWE
- CWE-789 - Memory Allocation with Excessive Size Value
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/49954 | exploit |
| https://www.vulncheck.com/advisories/my-notes-saf… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| my-notes-safe | My Notes Safe |
Affected:
5.3
|
Date Public
2021-04-06 00:00
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CVE-2021-47970 (GCVE-0-2021-47970)
Vulnerability from cvelistv5 – Published: 2026-05-16 15:26 – Updated: 2026-07-28 01:47
VLAI
EPSS
VEX
Title
Macaron Notes 5.5 Denial of Service via Buffer Overflow
Summary
Macaron Notes 5.5 contains a denial of service vulnerability that allows attackers to crash the application by creating notes with excessively long character strings. Attackers can generate a payload containing 350000 repeated characters and paste it into a note field to trigger application crash and stop functionality.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-18 16:58 UTC
CWE
- CWE-789 - Memory Allocation with Excessive Size Value
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/49953 | exploit |
| https://www.vulncheck.com/advisories/macaron-note… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Macaron Notes | Macaron Notes |
Affected:
5.5
cpe:2.3:a:go-macaron:macaron:5.5:*:*:*:*:*:*:* |
Date Public
2021-04-06 00:00
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CVE-2021-47969 (GCVE-0-2021-47969)
Vulnerability from cvelistv5 – Published: 2026-05-16 15:26 – Updated: 2026-05-18 19:55
VLAI
EPSS
VEX
Title
Color Notes 1.4 Denial of Service via Long Character String
Summary
Color Notes 1.4 contains a denial of service vulnerability that allows attackers to crash the application by pasting excessively long character strings into note fields. Attackers can generate a payload containing 350,000 repeated characters and paste it twice into a new note to cause the application to stop responding.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-18 19:55 UTC
CWE
- CWE-789 - Memory Allocation with Excessive Size Value
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/49952 | exploit |
| https://www.vulncheck.com/advisories/color-notes-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| color-notes | Color Notes |
Affected:
1.4
|
Date Public
2021-04-06 00:00
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CVE-2021-47944 (GCVE-0-2021-47944)
Vulnerability from cvelistv5 – Published: 2026-05-10 12:44 – Updated: 2026-05-12 02:39
VLAI
EPSS
VEX
Title
memono Notepad 4.2 Denial of Service via Buffer Overflow
Summary
memono Notepad 4.2 contains a denial of service vulnerability that allows attackers to crash the application by pasting excessively long character buffers into note fields. Attackers can generate a payload containing 350000 repeated characters and paste it twice into a new note to trigger an application crash on iOS devices.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-12 02:39 UTC
CWE
- CWE-789 - Memory Allocation with Excessive Size Value
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/49977 | exploit |
| https://www.vulncheck.com/advisories/memono-notep… | third-party-advisory |
Date Public
2021-09-06 00:00
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CVE-2021-34869 (GCVE-0-2021-34869)
Vulnerability from cvelistv5 – Published: 2022-01-25 15:30 – Updated: 2024-08-04 00:26
VLAI
EPSS
VEX
Summary
This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop 16.1.3-49160. An attacker must first obtain the ability to execute low-privileged code on the target guest system in order to exploit this vulnerability. The specific flaw exists within the Toolgate component. The issue results from the lack of proper validation of user-supplied data, which can result in an uncontrolled memory allocation. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the hypervisor. Was ZDI-CAN-13797.
Severity
7.8 (High)
CWE
- CWE-789 - Uncontrolled Memory Allocation
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://kb.parallels.com/125013 | x_refsource_MISC |
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_refsource_MISC |
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CVE-2021-34868 (GCVE-0-2021-34868)
Vulnerability from cvelistv5 – Published: 2022-01-25 15:30 – Updated: 2024-08-04 00:26
VLAI
EPSS
VEX
Summary
This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop 16.1.3-49160. An attacker must first obtain the ability to execute low-privileged code on the target guest system in order to exploit this vulnerability. The specific flaw exists within the Toolgate component. The issue results from the lack of proper validation of user-supplied data, which can result in an uncontrolled memory allocation. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the hypervisor. Was ZDI-CAN-13712.
Severity
7.8 (High)
CWE
- CWE-789 - Uncontrolled Memory Allocation
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://kb.parallels.com/125013 | x_refsource_MISC |
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_refsource_MISC |
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Mitigation
Implementation
Architecture and Design
Perform adequate input validation against any value that influences the amount of memory that is allocated. Define an appropriate strategy for handling requests that exceed the limit, and consider supporting a configuration option so that the administrator can extend the amount of memory to be used if necessary.
Mitigation
Operation
Run your program using system-provided resource limits for memory. This might still cause the program to crash or exit, but the impact to the rest of the system will be minimized.
No CAPEC attack patterns related to this CWE.