CWE-122
AllowedHeap-based Buffer Overflow
Abstraction: Variant · Status: Draft
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
5392 vulnerabilities reference this CWE, most recent first.
CVE-2026-11716 (GCVE-0-2026-11716)
Vulnerability from cvelistv5 – Published: 2026-09-18 19:09 – Updated: 2026-09-22 03:55- CWE-122 - Heap-based Buffer Overflow
| URL | Tags |
|---|---|
| https://www.ibm.com/support/pages/node/7287705 | vendor-advisorypatch |
| Vendor | Product | Version | |
|---|---|---|---|
| IBM | MQ for HPE NonStop |
Affected:
8.1.0 , ≤ 8.1.0.40
(semver)
cpe:2.3:a:ibm:mq_for_hpe_nonstop:8.1.0:*:*:*:*:*:*:* cpe:2.3:a:ibm:mq_for_hpe_nonstop:8.1.0.40:*:*:*:*:*:*:* |
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CVE-2026-11610 (GCVE-0-2026-11610)
Vulnerability from cvelistv5 – Published: 2026-07-07 09:17 – Updated: 2026-07-08 21:02- CWE-122 - Heap-based Buffer Overflow
| Vendor | Product | Version | |
|---|---|---|---|
| 389ds | 389-ds-base |
Affected:
1.3.2 , ≤ 3.3.0
(semver)
|
|
| Red Hat | Red Hat Directory Server 11.5 E4S for RHEL 8 |
Unaffected:
8060020260702180044.0ca98e7e , < *
(rpm)
cpe:/a:redhat:directory_server_e4s:11.5::el8 |
|
| Red Hat | Red Hat Directory Server 11.7 E4S for RHEL 8 |
Unaffected:
8080020260702180836.f969626e , < *
(rpm)
cpe:/a:redhat:directory_server_e4s:11.7::el8 |
|
| Red Hat | Red Hat Directory Server 11.9 for RHEL 8 |
Unaffected:
8100020260702145313.37ed7c03 , < *
(rpm)
cpe:/a:redhat:directory_server:11.9::el8 |
|
| Red Hat | Red Hat Directory Server 12.2 E4S for RHEL 9 |
Unaffected:
9020020260703060155.1674d574 , < *
(rpm)
cpe:/a:redhat:directory_server_e4s:12.2::el9 |
|
| Red Hat | Red Hat Directory Server 12.4 E4S for RHEL 9 |
Unaffected:
9040020260703055735.1674d574 , < *
(rpm)
cpe:/a:redhat:directory_server_e4s:12.4::el9 |
|
| Red Hat | Red Hat Enterprise Linux 10 |
Unaffected:
0:3.2.0-8.el10_2 , < *
(rpm)
cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux 10.0 Extended Update Support |
Unaffected:
0:3.0.6-19.el10_0 , < *
(rpm)
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux 7 Extended Lifecycle Support |
Unaffected:
0:1.3.11.1-13.el7_9 , < *
(rpm)
cpe:/o:redhat:rhel_els:7 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
8100020260626120929.25e700aa , < *
(rpm)
cpe:/a:redhat:enterprise_linux:8::appstream |
|
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support |
Unaffected:
8040020260629123121.96015a92 , < *
(rpm)
cpe:/a:redhat:rhel_aus:8.4::appstream cpe:/a:redhat:rhel_eus_long_life:8.4::appstream |
|
| Red Hat | Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On |
Unaffected:
8040020260629123121.96015a92 , < *
(rpm)
cpe:/a:redhat:rhel_aus:8.4::appstream cpe:/a:redhat:rhel_eus_long_life:8.4::appstream |
|
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support |
Unaffected:
8060020260626130540.824efc52 , < *
(rpm)
cpe:/a:redhat:rhel_aus:8.6::appstream cpe:/a:redhat:rhel_eus_long_life:8.6::appstream |
|
| Red Hat | Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On |
Unaffected:
8060020260626130540.824efc52 , < *
(rpm)
cpe:/a:redhat:rhel_aus:8.6::appstream cpe:/a:redhat:rhel_eus_long_life:8.6::appstream |
|
| Red Hat | Red Hat Enterprise Linux 8.8 Telecommunications Update Service |
Unaffected:
8080020260630025241.6dbb3803 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:8.8::appstream cpe:/a:redhat:rhel_tus:8.8::appstream |
|
| Red Hat | Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions |
Unaffected:
8080020260630025241.6dbb3803 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:8.8::appstream cpe:/a:redhat:rhel_tus:8.8::appstream |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:2.8.0-8.el9_8 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9::appstream cpe:/a:redhat:enterprise_linux:9::crb |
|
| Red Hat | Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions |
Unaffected:
0:2.2.4-19.el9_2 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:9.2::appstream |
|
| Red Hat | Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions |
Unaffected:
0:2.4.5-26.el9_4 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:9.4::appstream |
|
| Red Hat | Red Hat Enterprise Linux 9.6 Extended Update Support |
Unaffected:
0:2.6.1-22.el9_6 , < *
(rpm)
cpe:/a:redhat:rhel_eus:9.6::appstream cpe:/a:redhat:rhel_eus:9.6::crb |
|
| Red Hat | Red Hat Directory Server 13.2 |
Unaffected:
1783452100 , < *
(rpm)
cpe:/a:redhat:directory_server:13.2::el10 |
|
| Red Hat | Red Hat Directory Server 12 |
cpe:/a:redhat:directory_server:12
|
|
| Red Hat | Red Hat Directory Server 13 |
cpe:/a:redhat:directory_server:13
|
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6
|
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CVE-2026-11604 (GCVE-0-2026-11604)
Vulnerability from cvelistv5 – Published: 2026-06-10 21:04 – Updated: 2026-06-11 13:27| URL | Tags |
|---|---|
| https://github.com/OpenVPN/ovpn-dco-win/releases | product |
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| OpenVPN | ovpn-dco-win |
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CVE-2026-11381 (GCVE-0-2026-11381)
Vulnerability from cvelistv5 – Published: 2026-09-18 16:09 – Updated: 2026-09-19 03:56- CWE-122 - Heap-based Buffer Overflow
| URL | Tags |
|---|---|
| https://www.ibm.com/support/pages/node/7287706 | vendor-advisorypatch |
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|---|---|---|---|
| IBM | MQ for HPE NonStop |
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CVE-2026-11375 (GCVE-0-2026-11375)
Vulnerability from cvelistv5 – Published: 2026-09-18 16:09 – Updated: 2026-09-21 12:47- CWE-122 - Heap-based Buffer Overflow
| URL | Tags |
|---|---|
| https://www.ibm.com/support/pages/node/7284948 | vendor-advisorypatch |
| Vendor | Product | Version | |
|---|---|---|---|
| IBM | MQ |
Affected:
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"value": "\u003cp\u003eThis issue was addressed under Known Issue DT473424\u003c/p\u003e\u003cp\u003eIBM MQ version 9.1 LTS\u003c/p\u003e\u003cp\u003e\u003ca href=\"https://www.ibm.com/support/pages/downloading-ibm-mq-91-lts\" rel=\"noopener noreferrer nofollow\"\u003eApply cumulative security update 9.1.0.38\u003c/a\u003e\u003c/p\u003e\u003cp\u003eIBM MQ version 9.2 LTS\u003c/p\u003e\u003cp\u003e\u003ca href=\"https://www.ibm.com/support/pages/downloading-ibm-mq-92-lts\" rel=\"noopener noreferrer nofollow\"\u003eApply cumulative security update 9.2.0.44\u003c/a\u003e\u003c/p\u003e\u003cp\u003eIBM MQ version 9.3 LTS\u003c/p\u003e\u003cp\u003e\u003ca href=\"https://www.ibm.com/support/pages/downloading-ibm-mq-93-lts\" rel=\"noopener noreferrer nofollow\"\u003eApply cumulative security update 9.3.0.42\u003c/a\u003e\u003c/p\u003e\u003cp\u003eIBM MQ version 9.4 LTS\u003c/p\u003e\u003cp\u003e\u003ca href=\"https://www.ibm.com/support/pages/downloading-ibm-mq-94-lts\" rel=\"noopener noreferrer nofollow\"\u003eApply cumulative security update\u003c/a\u003e\u003ca href=\"https://www.ibm.com/support/pages/downloading-ibm-mq-94-lts\" rel=\"noopener noreferrer nofollow\"\u003e\u00a09.4.0.26\u003c/a\u003e\u003c/p\u003e\u003cp\u003eIBM MQ version 9.3 CD, 9.4 CD and 10.0.0.0\u003c/p\u003e\u003cp\u003e\u003ca href=\"https://www.ibm.com/support/pages/downloading-ibm-mq-100\" rel=\"noopener noreferrer nofollow\"\u003eUpgrade to IBM MQ version 10.0.0.5\u003c/a\u003e\u003c/p\u003e"
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}
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"title": "IBM MQ queue manager is vulnerable to remote code execution"
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CVE-2026-10858 (GCVE-0-2026-10858)
Vulnerability from cvelistv5 – Published: 2026-09-18 16:08 – Updated: 2026-09-19 03:56- CWE-122 - Heap-based Buffer Overflow
| URL | Tags |
|---|---|
| https://www.ibm.com/support/pages/node/7287704 | vendor-advisorypatch |
| Vendor | Product | Version | |
|---|---|---|---|
| IBM | MQ for HPE NonStop |
Affected:
8.1.0 , ≤ 8.1.0.40
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CVE-2026-10849 (GCVE-0-2026-10849)
Vulnerability from cvelistv5 – Published: 2026-08-03 21:21 – Updated: 2026-08-31 23:13| Vendor | Product | Version | |
|---|---|---|---|
| zephyrproject | zephyr |
Affected:
2.4.0 , < 4.4.2
(semver)
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CVE-2026-10747 (GCVE-0-2026-10747)
Vulnerability from cvelistv5 – Published: 2026-09-18 15:55 – Updated: 2026-09-21 12:47- CWE-122 - Heap-based Buffer Overflow
| URL | Tags |
|---|---|
| https://www.ibm.com/support/pages/node/7284690 | vendor-advisorypatch |
| Vendor | Product | Version | |
|---|---|---|---|
| IBM | MQ Appliance |
Affected:
9.4 LTS , ≤ 9.4.0.0 to 9.4.0.25
(custom)
Affected: 9.4 CD , ≤ 9.4.1.0 to 9.4.5.2 (custom) Affected: 10.0.0.0 , ≤ 10.0.0.1 only (semver) cpe:2.3:a:ibm:mq_appliance:9.4:*:*:*:*:*:*:* cpe:2.3:a:ibm:mq_appliance:9.4.0:*:*:*:*:*:*:* cpe:2.3:a:ibm:mq_appliance:9.4.0.0:*:*:*:*:*:*:* cpe:2.3:a:ibm:mq_appliance:9.4.1.0:*:*:*:*:*:*:* cpe:2.3:a:ibm:mq_appliance:10.0.0.0:*:*:*:*:*:*:* cpe:2.3:a:ibm:mq_appliance:10.0.0.1:*:*:*:*:*:*:* |
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"value": "\u003cp\u003eThis vulnerability is addressed under APAR DT472411\u003c/p\u003e\u003cp\u003eIBM strongly recommends addressing the vulnerability now.\u003c/p\u003e\u003cp\u003e\u003cstrong\u003eIBM MQ Appliance version 9.4 LTS\u003c/strong\u003e\u003cbr/\u003eApply \u003ca href=\"https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm~WebSphere\u0026amp;product=ibm/WebSphere/IBM+MQ+Appliance+M2000\u0026amp;function=fixId\u0026amp;fixids=9.4.0.26-IBM-MQ-Appliance+\u0026amp;includeSupersedes=1\" rel=\"nofollow\"\u003eIBM MQ Appliance fix pack 9.4.0.26\u003c/a\u003e, or later firmware.\u003c/p\u003e\u003cp\u003e\u003cstrong\u003eIBM MQ Appliance version 9.4 CD - M2003\u003c/strong\u003e\u003cbr/\u003eUpgrade to \u003ca href=\"https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm~WebSphere\u0026amp;product=ibm/WebSphere/IBM+MQ+Appliance+M2000\u0026amp;function=fixId\u0026amp;fixids=10.0.0.5-IBM-MQ-Appliance+\u0026amp;includeSupersedes=1\" rel=\"nofollow\"\u003eIBM MQ Appliance 10.0.0.5\u003c/a\u003e, or later firmware.\u003c/p\u003e\u003cp\u003e\u003cstrong\u003eIBM MQ Appliance version 9.4 CD - M2002\u003c/strong\u003e\u003cbr/\u003eApply\u00a0\u003ca href=\"https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm~WebSphere\u0026amp;product=ibm/WebSphere/IBM+MQ+Appliance+M2000\u0026amp;function=fixId\u0026amp;fixids=9.4.5.3-IBM-MQ-Appliance+\u0026amp;includeSupersedes=1\" rel=\"nofollow\"\u003eIBM MQ Appliance cumulative security update 9.4.5.3\u003c/a\u003e, or later firmware.\u003c/p\u003e\u003cp\u003e\u003cstrong\u003eIBM MQ Appliance version 10 LTS\u003c/strong\u003e\u003cbr/\u003eApply \u003ca href=\"https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm~WebSphere\u0026amp;product=ibm/WebSphere/IBM+MQ+Appliance+M2000\u0026amp;function=fixId\u0026amp;fixids=10.0.0.5-IBM-MQ-Appliance+\u0026amp;includeSupersedes=1\" rel=\"nofollow\"\u003eIBM MQ Appliance fix pack 10.0.0.5\u003c/a\u003e, or later firmware.\u003c/p\u003e"
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}
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"title": "IBM MQ Appliance is affected by a heap buffer overflow vulnerability in protocol message processing"
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CVE-2026-10744 (GCVE-0-2026-10744)
Vulnerability from cvelistv5 – Published: 2026-09-18 15:54 – Updated: 2026-09-19 03:56- CWE-122 - Heap-based Buffer Overflow
| URL | Tags |
|---|---|
| https://www.ibm.com/support/pages/node/7287702 | vendor-advisorypatch |
| Vendor | Product | Version | |
|---|---|---|---|
| IBM | MQ for HPE NonStop |
Affected:
8.1.0 , ≤ 8.1.0.40
(semver)
cpe:2.3:a:ibm:mq_for_hpe_nonstop:8.1.0:*:*:*:*:*:*:* cpe:2.3:a:ibm:mq_for_hpe_nonstop:8.1.0.40:*:*:*:*:*:*:* |
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CVE-2026-10575 (GCVE-0-2026-10575)
Vulnerability from cvelistv5 – Published: 2026-09-18 15:53 – Updated: 2026-09-21 12:47- CWE-122 - Heap-based Buffer Overflow
| URL | Tags |
|---|---|
| https://www.ibm.com/support/pages/node/7287778 | vendor-advisorypatch |
| Vendor | Product | Version | |
|---|---|---|---|
| IBM | MQ |
Affected:
9.1.0.0 , ≤ 9.1.0.37 LTS
(semver)
Affected: 9.2.0.0 , ≤ 9.2.0.43 LTS (semver) Affected: 9.3.0.0 , ≤ 9.3.0.41 LTS (semver) Affected: 9.3.0.0 , ≤ 9.3.5.1 CD (semver) Affected: 9.4.0.0 , ≤ 9.4.0.25 LTS (semver) Affected: 9.4.0.0 , ≤ 9.4.5.1 CD (semver) Affected: 10.0.0.0 cpe:2.3:a:ibm:mq:9.1.0.0:*:*:*:*:*:*:* cpe:2.3:a:ibm:mq:9.1.0.37:*:*:*:*:*:*:* cpe:2.3:a:ibm:mq:9.2.0.0:*:*:*:*:*:*:* cpe:2.3:a:ibm:mq:9.2.0.43:*:*:*:*:*:*:* cpe:2.3:a:ibm:mq:9.3.0.0:*:*:*:*:*:*:* cpe:2.3:a:ibm:mq:9.3.0.41:*:*:*:*:*:*:* cpe:2.3:a:ibm:mq:9.3.5.1:*:*:*:*:*:*:* cpe:2.3:a:ibm:mq:9.4.0.0:*:*:*:*:*:*:* cpe:2.3:a:ibm:mq:9.4.0.25:*:*:*:*:*:*:* cpe:2.3:a:ibm:mq:9.4.5.1:*:*:*:*:*:*:* cpe:2.3:a:ibm:mq:10.0.0.0:*:*:*:*:*:*:* |
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}
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"title": "IBM MQ queue manager is vulnerable to remote code execution"
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Mitigation
Pre-design: Use a language or compiler that performs automatic bounds checking.
Mitigation
Use an abstraction library to abstract away risky APIs. Not a complete solution.
Mitigation MIT-10
Strategy: Environment Hardening
- Use automatic buffer overflow detection mechanisms that are offered by certain compilers or compiler extensions. Examples include: the Microsoft Visual Studio /GS flag, Fedora/Red Hat FORTIFY_SOURCE GCC flag, StackGuard, and ProPolice, which provide various mechanisms including canary-based detection and range/index checking.
- D3-SFCV (Stack Frame Canary Validation) from D3FEND [REF-1334] discusses canary-based detection in detail.
Mitigation MIT-11
Strategy: Environment Hardening
- Run or compile the software using features or extensions that randomly arrange the positions of a program's executable and libraries in memory. Because this makes the addresses unpredictable, it can prevent an attacker from reliably jumping to exploitable code.
- Examples include Address Space Layout Randomization (ASLR) [REF-58] [REF-60] and Position-Independent Executables (PIE) [REF-64]. Imported modules may be similarly realigned if their default memory addresses conflict with other modules, in a process known as "rebasing" (for Windows) and "prelinking" (for Linux) [REF-1332] using randomly generated addresses. ASLR for libraries cannot be used in conjunction with prelink since it would require relocating the libraries at run-time, defeating the whole purpose of prelinking.
- For more information on these techniques see D3-SAOR (Segment Address Offset Randomization) from D3FEND [REF-1335].
Mitigation
Implement and perform bounds checking on input.
Mitigation
Strategy: Libraries or Frameworks
Do not use dangerous functions such as gets. Look for their safe equivalent, which checks for the boundary.
Mitigation
Use OS-level preventative functionality. This is not a complete solution, but it provides some defense in depth.
CAPEC-92: Forced Integer Overflow
This attack forces an integer variable to go out of range. The integer variable is often used as an offset such as size of memory allocation or similarly. The attacker would typically control the value of such variable and try to get it out of range. For instance the integer in question is incremented past the maximum possible value, it may wrap to become a very small, or negative number, therefore providing a very incorrect value which can lead to unexpected behavior. At worst the attacker can execute arbitrary code.