Common Weakness Enumeration
CWE-590
AllowedFree of Memory not on the Heap
Abstraction: Variant · Status: Incomplete
The product calls free() on a pointer to memory that was not allocated using associated heap allocation functions such as malloc(), calloc(), or realloc().
40 vulnerabilities reference this CWE, most recent first.
CVE-2026-106578 (GCVE-0-2026-106578)
Vulnerability from cvelistv5 – Published: 2026-10-07 15:41 – Updated: 2026-10-10 02:34
VLAI
EPSS
VEX
Title
ImageMagick: Invalid Memory Free in MVG decoder
Summary
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to 7.1.2-31 and 6.9.13-56, a crafted image can cause an invalid memory free in the MVG decoder and crash the process. This issue is fixed in versions 7.1.2-31 and 6.9.13-56.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-10 02:34 UTC
CWE
- CWE-590 - Free of Memory not on the Heap
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/ImageMagick/ImageMagick/securi… | x_refsource_CONFIRM |
| https://github.com/ImageMagick/ImageMagick/commit… | x_refsource_MISC |
| https://github.com/ImageMagick/ImageMagick6/commi… | x_refsource_MISC |
| https://github.com/ImageMagick/ImageMagick/releas… | x_refsource_MISC |
| https://github.com/ImageMagick/ImageMagick6/relea… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| ImageMagick | ImageMagick |
Affected:
< 6.9.13-56
Affected: >= 7.0.0, < 7.1.2-31 |
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CVE-2026-94370 (GCVE-0-2026-94370)
Vulnerability from cvelistv5 – Published: 2026-10-14 05:43 – Updated: 2026-10-14 16:02
VLAI
EPSS
VEX
Title
Memory corruption (double free / use-after-free) vulnerability in core string handling impacts Qt for MCUs
Summary
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Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-14 16:02 UTC
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://wiki.qt.io/List_of_known_vulnerabilities_… | issue-tracking |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| qt | Qt_for_MCUs |
Affected:
2.12.1 , < 2.12.3
(python)
cpe:2.3:a:qt:qt_for_mcus:*:*:*:*:*:*:*:* |
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CVE-2026-89161 (GCVE-0-2026-89161)
Vulnerability from cvelistv5 – Published: 2026-09-11 04:11 – Updated: 2026-09-11 19:59
VLAI
EPSS
VEX
Summary
In PCRE2 before 10.48, pcre2_jit_match mishandles a previously copied subject being passed in as a context. An incorrect free operation can occur.
Severity
7.4 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-11 19:59 UTC
CWE
- CWE-590 - Free of Memory not on the Heap
Assigner
References
Impacted products
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CVE-2026-76465 (GCVE-0-2026-76465)
Vulnerability from cvelistv5 – Published: 2026-10-07 16:14 – Updated: 2026-10-08 03:55
VLAI
EPSS
VEX
Title
Cisco Nexus 3000 and 9000 Series Switches MPLS OAM Remote Code Execution Vulnerability
Summary
A vulnerability in the MPLS Operation, Administration, and Maintenance (OAM) feature of Cisco NX-OS Software for Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches could allow an unauthenticated, remote attacker to execute arbitrary code with root privileges or cause a denial of service (DoS) condition on an affected device.
This vulnerability is due to improper validation when an affected device is processing an MPLS echo-request packet. An attacker could exploit this vulnerability by sending a crafted MPLS echo-request to an IP address on an affected device. A successful exploit could allow the attacker to execute arbitrary code with root privileges and could cause process crashes, which could result in a device reload and a DoS condition.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-07 00:00 UTC
CWE
- CWE-590 - Free of Memory not on the Heap
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco NX-OS Software |
Affected:
9.3(2)
Affected: 9.3(1) Affected: 9.3(1z) Affected: 9.3(3) Affected: 9.3(4) Affected: 9.3(5) Affected: 9.3(6) Affected: 9.3(5w) Affected: 9.3(7) Affected: 9.3(7k) Affected: 9.3(7a) Affected: 9.3(8) Affected: 9.3(9) Affected: 9.3(10) Affected: 10.3(1) Affected: 10.3(2) Affected: 9.3(11) Affected: 10.3(3) Affected: 9.3(12) Affected: 10.4(1) Affected: 10.3(99w) Affected: 10.3(3w) Affected: 10.3(99x) Affected: 10.3(3o) Affected: 10.3(4) Affected: 10.3(3p) Affected: 10.3(4a) Affected: 10.4(2) Affected: 10.3(3q) Affected: 9.3(13) Affected: 10.3(5) Affected: 10.4(3) Affected: 10.3(3x) Affected: 10.3(4g) Affected: 10.5(1) Affected: 10.3(3r) Affected: 10.3(6) Affected: 9.3(14) Affected: 10.4(4) Affected: 10.3(4h) Affected: 10.5(2) Affected: 10.3(7) Affected: 10.4(5) Affected: 10.5(3) Affected: 9.3(15) Affected: 10.4(4g) Affected: 10.5(4) Affected: 10.6(1) Affected: 10.5(3t) Affected: 10.3(8) Affected: 10.4(6) Affected: 10.5(3s) Affected: 10.5(3e) Affected: 10.5(3o) Affected: 9.3(16) Affected: 10.6(1s) Affected: 10.6(2) Affected: 10.5(3p) Affected: 10.3(9) Affected: 10.6(2s) Affected: 10.6(3) Affected: 10.4(7) Affected: 10.5(5) Affected: 9.3(17) Affected: 10.6(2n) Affected: 10.6(3s) |
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CVE-2026-47328 (GCVE-0-2026-47328)
Vulnerability from cvelistv5 – Published: 2026-05-28 18:27 – Updated: 2026-05-28 19:25
VLAI
EPSS
VEX
Title
Invalid pointer deallocation in Ubuntu Linux AppArmor notification handling
Summary
Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly attempt to free a pointer which was not previously kmalloc()d, while at the same time leaking allocated memory. The bug can be triggered by an unprivileged local user and can result in the corruption of slab metadata and could lead to resource exhaustion.
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-28 19:20 UTC
CWE
- CWE-590 - Free of memory not on the heap
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://git.launchpad.net/~ubuntu-kernel/ubuntu/+… | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Canonical | Ubuntu Linux |
Affected:
6.8.0 , < 6.8.0-124.124
(dpkg)
Affected: 6.17.0 , < 6.17.0-35.35 (dpkg) Affected: 7.0.0 , < 7.0.0-22.22 (dpkg) |
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CVE-2026-20810 (GCVE-0-2026-20810)
Vulnerability from cvelistv5 – Published: 2026-01-13 17:56 – Updated: 2026-07-30 20:46
VLAI
EPSS
VEX
Title
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
Summary
Free of memory not on the heap in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-14 04:56 UTC
CWE
- CWE-590 - Free of Memory not on the Heap
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Windows 10 Version 1809 |
Affected:
10.0.17763.0 , < 10.0.17763.8276
(custom)
|
|
| Microsoft | Windows 10 Version 21H2 |
Affected:
10.0.19044.0 , < 10.0.19044.6809
(custom)
|
|
| Microsoft | Windows 10 Version 22H2 |
Affected:
10.0.19045.0 , < 10.0.19045.6809
(custom)
|
|
| Microsoft | Windows Server 2019 |
Affected:
10.0.17763.0 , < 10.0.17763.8276
(custom)
|
|
| Microsoft | Windows Server 2019 (Server Core installation) |
Affected:
10.0.17763.0 , < 10.0.17763.8276
(custom)
|
Date Public
2026-01-13 16:00
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CVE-2026-18582 (GCVE-0-2026-18582)
Vulnerability from cvelistv5 – Published: 2026-08-03 01:15 – Updated: 2026-08-03 15:39 X_Open Source
VLAI
EPSS
VEX
Title
mz-automation libiec61850 Report Sending Path reporting.c Reporting_RCBWriteAccessHandler free of memory not on the heap
Summary
A security flaw has been discovered in mz-automation libiec61850 up to 1.6.1. This vulnerability affects the function Reporting_RCBWriteAccessHandler of the file src/iec61850/server/mms_mapping/reporting.c of the component Report Sending Path Handler. The manipulation results in free of memory not on the heap. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks. Upgrading to version 1.6.2 is able to resolve this issue. The patch is identified as 5b2a69f44256b8548927d8afdd7ac5f5381abe1e. It is suggested to upgrade the affected component. The vendor was contacted early about this disclosure.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-03 15:39 UTC
CWE
- CWE-590 - Free of Memory not on the Heap
Assigner
References
9 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/385411 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/385411/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-18582 | third-party-advisory |
| https://vuldb.com/submit/844920 | third-party-advisory |
| https://github.com/mz-automation/libiec61850/secu… | related |
| https://github.com/gff-cw/information/issues/2 | exploitissue-tracking |
| https://github.com/mz-automation/libiec61850/comm… | patch |
| https://github.com/mz-automation/libiec61850/rele… | patch |
| https://github.com/mz-automation/libiec61850/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| mz-automation | libiec61850 |
Affected:
1.6.0
Affected: 1.6.1 Unaffected: 1.6.2 cpe:2.3:a:mz-automation:libiec61850:*:*:*:*:*:*:*:* |
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CVE-2025-54899 (GCVE-0-2025-54899)
Vulnerability from cvelistv5 – Published: 2025-09-09 17:00 – Updated: 2026-02-26 17:48
VLAI
EPSS
VEX
Title
Microsoft Excel Remote Code Execution Vulnerability
Summary
Free of memory not on the heap in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-09-10 03:55 UTC
CWE
- CWE-590 - Free of Memory not on the Heap
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
7 products
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise |
Affected:
16.0.1 , < https://aka.ms/OfficeSecurityReleases
(custom)
|
|
| Microsoft | Microsoft Excel 2016 |
Affected:
16.0.0.0 , < 16.0.5517.1000
(custom)
|
|
| Microsoft | Microsoft Office 2019 |
Affected:
19.0.0 , < https://aka.ms/OfficeSecurityReleases
(custom)
|
|
| Microsoft | Microsoft Office LTSC 2021 |
Affected:
16.0.1 , < https://aka.ms/OfficeSecurityReleases
(custom)
|
|
| Microsoft | Microsoft Office LTSC 2024 |
Affected:
16.0.0 , < https://aka.ms/OfficeSecurityReleases
(custom)
|
|
| Microsoft | Microsoft Office LTSC for Mac 2021 |
Affected:
16.0.1 , < 16.101.25091314
(custom)
|
|
| Microsoft | Microsoft Office LTSC for Mac 2024 |
Affected:
16.0.0 , < 16.101.25091314
(custom)
|
Date Public
2025-09-09 07:00
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CVE-2025-42996 (GCVE-0-2025-42996)
Vulnerability from cvelistv5 – Published: 2025-06-10 00:13 – Updated: 2025-06-10 15:15
VLAI
EPSS
VEX
Title
Multiple vulnerabilities in SAP MDM Server
Summary
SAP MDM Server allows an attacker to gain control of existing client sessions and execute certain functions without having to re-authenticate giving the ability to access or modify non-sensitive information or consume sufficient resources which could degrade the performance of the server causing low impact on confidentiality, integrity and availibility of the application.
Severity
5.6 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-10 13:27 UTC
CWE
- CWE-590 - Free of Memory not on the Heap
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SAP_SE | SAP MDM Server |
Affected:
MDM_SERVER 710.750
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CVE-2025-42995 (GCVE-0-2025-42995)
Vulnerability from cvelistv5 – Published: 2025-06-10 00:13 – Updated: 2025-06-10 15:15
VLAI
EPSS
VEX
Title
Multiple vulnerabilities in SAP MDM Server
Summary
SAP MDM Server Read function allows an attacker to send specially crafted packets which could trigger a memory read access violation in the server process that would then fail and exit unexpectedly causing high impact on availability with no impact on confidentiality and integrity of the application.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-10 13:37 UTC
CWE
- CWE-590 - Free of Memory not on the Heap
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SAP_SE | SAP MDM Server |
Affected:
MDM_SERVER 710.750
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Mitigation
Implementation
Only free pointers that you have called malloc on previously. This is the recommended solution. Keep track of which pointers point at the beginning of valid chunks and free them only once.
Mitigation
Implementation
Before freeing a pointer, the programmer should make sure that the pointer was previously allocated on the heap and that the memory belongs to the programmer. Freeing an unallocated pointer will cause undefined behavior in the program.
Mitigation MIT-4.6
Architecture and Design
Strategy: Libraries or Frameworks
- Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
- For example, glibc in Linux provides protection against free of invalid pointers.
Mitigation
Architecture and Design
Use a language that provides abstractions for memory allocation and deallocation.
No CAPEC attack patterns related to this CWE.