CWE-122
Heap-based Buffer Overflow
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().
CVE-2026-21259 (GCVE-0-2026-21259)
Vulnerability from cvelistv5 – Published: 2026-02-10 17:51 – Updated: 2026-05-11 21:25
VLAI
Title
Microsoft Excel Elevation of Privilege Vulnerability
Summary
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to elevate privileges locally.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
6 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 , < 16.0.5539.1002
(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 | Office Online Server |
Affected:
16.0.0.0 , < 16.0.10417.20097
(custom)
|
Date Public
2026-02-10 16:00
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CVE-2026-21277 (GCVE-0-2026-21277)
Vulnerability from cvelistv5 – Published: 2026-01-13 18:35 – Updated: 2026-02-26 15:04
VLAI
Title
InDesign Desktop | Heap-based Buffer Overflow (CWE-122)
Summary
InDesign Desktop versions 21.0, 19.5.5 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-122 - Heap-based Buffer Overflow (CWE-122)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/indesig… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | InDesign Desktop |
Affected:
0 , ≤ 19.5.5
(semver)
|
Date Public
2026-01-13 17:00
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CVE-2026-21281 (GCVE-0-2026-21281)
Vulnerability from cvelistv5 – Published: 2026-01-13 18:45 – Updated: 2026-02-26 15:04
VLAI
Title
InCopy | Heap-based Buffer Overflow (CWE-122)
Summary
InCopy versions 21.0, 19.5.5 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-122 - Heap-based Buffer Overflow (CWE-122)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/incopy/… | vendor-advisory |
Date Public
2026-01-13 17:00
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CVE-2026-21283 (GCVE-0-2026-21283)
Vulnerability from cvelistv5 – Published: 2026-01-13 18:48 – Updated: 2026-02-26 15:04
VLAI
Title
Bridge | Heap-based Buffer Overflow (CWE-122)
Summary
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Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-122 - Heap-based Buffer Overflow (CWE-122)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/bridge/… | vendor-advisory |
Date Public
2026-01-13 17:00
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CVE-2026-21304 (GCVE-0-2026-21304)
Vulnerability from cvelistv5 – Published: 2026-01-13 18:35 – Updated: 2026-02-26 15:04
VLAI
Title
InDesign Desktop | Heap-based Buffer Overflow (CWE-122)
Summary
InDesign Desktop versions 21.0, 19.5.5 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-122 - Heap-based Buffer Overflow (CWE-122)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/indesig… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | InDesign Desktop |
Affected:
0 , ≤ 19.5.5
(semver)
|
Date Public
2026-01-13 17:00
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CVE-2026-21357 (GCVE-0-2026-21357)
Vulnerability from cvelistv5 – Published: 2026-02-10 17:59 – Updated: 2026-02-26 14:44
VLAI
Title
InDesign Desktop | Heap-based Buffer Overflow (CWE-122)
Summary
InDesign Desktop versions 21.1, 20.5.1 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-122 - Heap-based Buffer Overflow (CWE-122)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/indesig… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | InDesign Desktop |
Affected:
0 , ≤ 20.5.1
(semver)
|
Date Public
2026-02-10 17:00
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CVE-2026-21358 (GCVE-0-2026-21358)
Vulnerability from cvelistv5 – Published: 2026-02-10 17:59 – Updated: 2026-02-10 19:00
VLAI
Title
InDesign Desktop | Heap-based Buffer Overflow (CWE-122)
Summary
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Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-122 - Heap-based Buffer Overflow (CWE-122)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/indesig… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | InDesign Desktop |
Affected:
0 , ≤ 20.5.1
(semver)
|
Date Public
2026-02-10 17:00
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CVE-2026-21372 (GCVE-0-2026-21372)
Vulnerability from cvelistv5 – Published: 2026-04-06 15:33 – Updated: 2026-04-07 03:55
VLAI
Title
Heap-Based Buffer Overflow in Power Management IC
Summary
Memory Corruption when sending IOCTL requests with invalid buffer sizes during memcpy operations.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-122 - Heap-Based Buffer Overflow
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Qualcomm, Inc. | Snapdragon |
Affected:
Cologne
Affected: FastConnect 6700 Affected: FastConnect 6900 Affected: FastConnect 7800 Affected: QCM5430 Affected: QCM6490 Affected: Qualcomm Video Collaboration VC3 Platform Affected: Snapdragon 460 Mobile Platform Affected: Snapdragon 662 Mobile Platform Affected: Snapdragon 7c+ Gen 3 Compute Affected: WCD9370 Affected: WCD9375 Affected: WCD9378C Affected: WCD9380 Affected: WCD9385 Affected: WCN3950 Affected: WCN3988 Affected: WSA8840 Affected: WSA8845 Affected: WSA8845H Affected: X2000077 Affected: X2000086 Affected: X2000090 Affected: X2000092 Affected: X2000094 Affected: XG101002 Affected: XG101032 Affected: XG101039 |
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CVE-2026-21486 (GCVE-0-2026-21486)
Vulnerability from cvelistv5 – Published: 2026-01-06 03:36 – Updated: 2026-01-06 14:42
VLAI
Title
Use After Free and Heap-based Buffer Overflow and Integer Overflow or Wraparound and Out-of-bounds Write in iccDEV
Summary
iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1.1 and below contain Use After Free, Heap-based Buffer Overflow and Integer Overflow or Wraparound and Out-of-bounds Write vulnerabilities in its CIccSparseMatrix::CIccSparseMatrix function. This issue is fixed in version 2.3.1.2.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/InternationalColorConsortium/i… | x_refsource_CONFIRM |
| https://github.com/InternationalColorConsortium/i… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| InternationalColorConsortium | iccDEV |
Affected:
< 2.3.1.2
|
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"value": "iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1.1 and below contain Use After Free, Heap-based Buffer Overflow and Integer Overflow or Wraparound and Out-of-bounds Write vulnerabilities in its CIccSparseMatrix::CIccSparseMatrix function. This issue is fixed in version 2.3.1.2."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
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"description": "CWE-122: Heap-based Buffer Overflow",
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]
},
{
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"description": "CWE-190: Integer Overflow or Wraparound",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-416",
"description": "CWE-416: Use After Free",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-787",
"description": "CWE-787: Out-of-bounds Write",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-01-06T03:36:45.786Z",
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"references": [
{
"name": "https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-mg98-j5q2-674w",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-mg98-j5q2-674w"
},
{
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"x_refsource_MISC"
],
"url": "https://github.com/InternationalColorConsortium/iccDEV/commit/1ab7363f38a20089934d3410c88f714eea392bf5"
}
],
"source": {
"advisory": "GHSA-mg98-j5q2-674w",
"discovery": "UNKNOWN"
},
"title": "Use After Free and Heap-based Buffer Overflow and Integer Overflow or Wraparound and Out-of-bounds Write in iccDEV"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-21486",
"datePublished": "2026-01-06T03:36:45.786Z",
"dateReserved": "2025-12-29T14:34:16.005Z",
"dateUpdated": "2026-01-06T14:42:20.572Z",
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CVE-2026-21488 (GCVE-0-2026-21488)
Vulnerability from cvelistv5 – Published: 2026-01-06 13:52 – Updated: 2026-01-06 14:22
VLAI
Title
iccDEV has Out-of-bounds Read, Heap-based Buffer Overflow and Improper Null Termination
Summary
iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1.1 and below are vulnerable to Out-of-bounds Read, Heap-based Buffer Overflow and Improper Null Termination through its CIccTagText::Read function. This issue is fixed in version 2.3.1.2.
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/InternationalColorConsortium/i… | x_refsource_CONFIRM |
| https://github.com/InternationalColorConsortium/i… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| InternationalColorConsortium | iccDEV |
Affected:
< 2.3.1.2
|
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-21488",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-01-06T14:22:20.962464Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-01-06T14:22:27.581Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "iccDEV",
"vendor": "InternationalColorConsortium",
"versions": [
{
"status": "affected",
"version": "\u003c 2.3.1.2"
}
]
}
],
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"lang": "en",
"value": "iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1.1 and below are vulnerable to Out-of-bounds Read, Heap-based Buffer Overflow and Improper Null Termination through its CIccTagText::Read function. This issue is fixed in version 2.3.1.2."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 6.1,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-122",
"description": "CWE-122: Heap-based Buffer Overflow",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-125",
"description": "CWE-125: Out-of-bounds Read",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-170",
"description": "CWE-170: Improper Null Termination",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-01-06T13:52:21.380Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-4j2g-rvv4-86vg",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-4j2g-rvv4-86vg"
},
{
"name": "https://github.com/InternationalColorConsortium/iccDEV/commit/9daaccceb231c43db8cab312ee5bbe9d2aa6b153",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/InternationalColorConsortium/iccDEV/commit/9daaccceb231c43db8cab312ee5bbe9d2aa6b153"
}
],
"source": {
"advisory": "GHSA-4j2g-rvv4-86vg",
"discovery": "UNKNOWN"
},
"title": "iccDEV has Out-of-bounds Read, Heap-based Buffer Overflow and Improper Null Termination"
}
},
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"datePublished": "2026-01-06T13:52:21.380Z",
"dateReserved": "2025-12-29T14:34:16.006Z",
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}
Mitigation
Phases:
Description:
- Pre-design: Use a language or compiler that performs automatic bounds checking.
Mitigation
Phase: Architecture and Design
Description:
- Use an abstraction library to abstract away risky APIs. Not a complete solution.
Mitigation ID: MIT-10
Phases: Operation, Build and Compilation
Strategy: Environment Hardening
Description:
- 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 ID: MIT-11
Phases: Operation, Build and Compilation
Strategy: Environment Hardening
Description:
- 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
Phase: Implementation
Description:
- Implement and perform bounds checking on input.
Mitigation
Phase: Implementation
Strategy: Libraries or Frameworks
Description:
- Do not use dangerous functions such as gets. Look for their safe equivalent, which checks for the boundary.
Mitigation
Phase: Operation
Description:
- 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.