Common Weakness Enumeration
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().
4113 vulnerabilities reference this CWE, most recent first.
CVE-2025-15533 (GCVE-0-2025-15533)
Vulnerability from cvelistv5 – Published: 2026-01-18 05:02 – Updated: 2026-02-23 08:36 X_Open Source
VLAI
EPSS
VEX
Title
raysan5 raylib rtext.c GenImageFontAtlas heap-based overflow
Summary
A vulnerability was determined in raysan5 raylib up to 909f040. Affected by this vulnerability is the function GenImageFontAtlas of the file src/rtext.c. Executing a manipulation can lead to heap-based buffer overflow. The attack can only be executed locally. The exploit has been publicly disclosed and may be utilized. This patch is called 5a3391fdce046bc5473e52afbd835dd2dc127146. Applying a patch is advised to resolve this issue.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
9 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.341705 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.341705 | signaturepermissions-required |
| https://vuldb.com/?submit.733341 | third-party-advisory |
| https://vuldb.com/?submit.733342 | third-party-advisory |
| https://github.com/raysan5/raylib/issues/5433 | issue-tracking |
| https://github.com/raysan5/raylib/pull/5450 | issue-tracking |
| https://github.com/oneafter/1224/blob/main/hbf2 | exploit |
| https://github.com/raysan5/raylib/commit/5a3391fd… | patch |
| https://github.com/raysan5/raylib/ | product |
Credits
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CVE-2025-15279 (GCVE-0-2025-15279)
Vulnerability from cvelistv5 – Published: 2025-12-31 06:59 – Updated: 2025-12-31 16:19
VLAI
EPSS
VEX
Title
FontForge GUtils BMP File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
Summary
FontForge GUtils BMP File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of FontForge. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the parsing of pixels within BMP files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current user. Was ZDI-CAN-27517.
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
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_research-advisory |
Impacted products
Date Public
2025-12-29 22:54
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CVE-2025-15277 (GCVE-0-2025-15277)
Vulnerability from cvelistv5 – Published: 2025-12-31 06:59 – Updated: 2025-12-31 16:22
VLAI
EPSS
VEX
Title
FontForge GUtils SGI File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
Summary
FontForge GUtils SGI File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of FontForge. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the parsing of scanlines within SGI files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-27920.
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
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_research-advisory |
Impacted products
Date Public
2025-12-29 22:54
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CVE-2025-15275 (GCVE-0-2025-15275)
Vulnerability from cvelistv5 – Published: 2025-12-31 06:59 – Updated: 2025-12-31 16:58
VLAI
EPSS
VEX
Title
FontForge SFD File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
Summary
FontForge SFD File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of FontForge. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the parsing of SFD files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current user. Was ZDI-CAN-28543.
Severity
8.8 (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
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_research-advisory |
Impacted products
Date Public
2025-12-29 22:55
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CVE-2025-15274 (GCVE-0-2025-15274)
Vulnerability from cvelistv5 – Published: 2025-12-31 06:59 – Updated: 2025-12-31 16:58
VLAI
EPSS
VEX
Title
FontForge SFD File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
Summary
FontForge SFD File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of FontForge. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the parsing of SFD files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current user. Was ZDI-CAN-28544.
Severity
8.8 (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
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_research-advisory |
Impacted products
Date Public
2025-12-29 22:56
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CVE-2025-15272 (GCVE-0-2025-15272)
Vulnerability from cvelistv5 – Published: 2025-12-31 06:59 – Updated: 2025-12-31 16:58
VLAI
EPSS
VEX
Title
FontForge SFD File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
Summary
FontForge SFD File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of FontForge. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the parsing of SFD files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current user. Was ZDI-CAN-28547.
Severity
8.8 (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
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_research-advisory |
Impacted products
Date Public
2025-12-29 22:56
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CVE-2025-15247 (GCVE-0-2025-15247)
Vulnerability from cvelistv5 – Published: 2025-12-30 12:02 – Updated: 2026-02-24 06:16
VLAI
EPSS
VEX
Title
gmg137 snap7-rs client.rs download heap-based overflow
Summary
A vulnerability was identified in gmg137 snap7-rs up to 153d3e8c16decd7271e2a5b2e3da4d6f68589424. Affected by this issue is the function snap7_rs::client::S7Client::download of the file client.rs. Such manipulation leads to heap-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used. This product implements a rolling release for ongoing delivery, which means version information for affected or updated releases is unavailable. The project was informed of the problem early through an issue report but has not responded yet.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.338637 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.338637 | signaturepermissions-required |
| https://gitee.com/gmg137/snap7-rs/issues/ID2H7V | exploitissue-tracking |
| https://gitee.com/gmg137/snap7-rs/ | product |
Impacted products
Credits
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CVE-2025-15234 (GCVE-0-2025-15234)
Vulnerability from cvelistv5 – Published: 2025-12-30 08:32 – Updated: 2026-02-24 06:15
VLAI
EPSS
VEX
Title
Tenda M3 setInternetLanInfo formSetRemoteInternetLanInfo heap-based overflow
Summary
A weakness has been identified in Tenda M3 1.0.0.13(4903). Impacted is the function formSetRemoteInternetLanInfo of the file /goform/setInternetLanInfo. This manipulation of the argument portIp/portMask/portGateWay/portDns/portSecDns causes heap-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.338630 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.338630 | signaturepermissions-required |
| https://vuldb.com/?submit.725496 | third-party-advisory |
| https://github.com/dwBruijn/CVEs/blob/main/Tenda/… | exploit |
| https://www.tenda.com.cn/ | product |
Impacted products
Credits
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CVE-2025-15233 (GCVE-0-2025-15233)
Vulnerability from cvelistv5 – Published: 2025-12-30 08:02 – Updated: 2026-02-24 06:15
VLAI
EPSS
VEX
Title
Tenda M3 setAdInfoDetail formSetAdInfoDetails heap-based overflow
Summary
A security flaw has been discovered in Tenda M3 1.0.0.13(4903). This issue affects the function formSetAdInfoDetails of the file /goform/setAdInfoDetail. The manipulation of the argument adName/smsPassword/smsAccount/weixinAccount/weixinName/smsSignature/adRedirectUrl/adCopyRight/smsContent/adItemUID results in heap-based buffer overflow. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.338629 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.338629 | signaturepermissions-required |
| https://vuldb.com/?submit.725495 | third-party-advisory |
| https://github.com/dwBruijn/CVEs/blob/main/Tenda/… | exploit |
| https://www.tenda.com.cn/ | product |
Impacted products
Credits
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CVE-2025-15230 (GCVE-0-2025-15230)
Vulnerability from cvelistv5 – Published: 2025-12-30 06:32 – Updated: 2026-02-24 06:14
VLAI
EPSS
VEX
Title
Tenda M3 setVlanPolicyData formSetVlanPolicy heap-based overflow
Summary
A vulnerability was found in Tenda M3 1.0.0.13(4903). Affected by this issue is the function formSetVlanPolicy of the file /goform/setVlanPolicyData. Performing a manipulation of the argument qvlan_truck_port results in heap-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been made public and could be used.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.338626 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.338626 | signaturepermissions-required |
| https://vuldb.com/?submit.725490 | third-party-advisory |
| https://github.com/dwBruijn/CVEs/blob/main/Tenda/… | exploit |
| https://www.tenda.com.cn/ | product |
Impacted products
Credits
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-15230",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-12-30T14:50:21.744687Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-12-30T14:50:28.070Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:o:tenda:m3_firmware:*:*:*:*:*:*:*:*"
],
"product": "M3",
"vendor": "Tenda",
"versions": [
{
"status": "affected",
"version": "1.0.0.13(4903)"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "dwbruijn (VulDB User)"
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability was found in Tenda M3 1.0.0.13(4903). Affected by this issue is the function formSetVlanPolicy of the file /goform/setVlanPolicyData. Performing a manipulation of the argument qvlan_truck_port results in heap-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been made public and could be used."
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 8.7,
"baseSeverity": "HIGH",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P",
"version": "4.0"
}
},
{
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"baseSeverity": "HIGH",
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},
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}
},
{
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},
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],
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"references": [
{
"name": "VDB-338626 | Tenda M3 setVlanPolicyData formSetVlanPolicy heap-based overflow",
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"technical-description"
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},
{
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"tags": [
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{
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"tags": [
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"url": "https://github.com/dwBruijn/CVEs/blob/main/Tenda/setVlanPolicy.md"
},
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"url": "https://www.tenda.com.cn/"
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"value": "VulDB entry created"
},
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"lang": "en",
"time": "2025-12-30T10:04:55.000Z",
"value": "VulDB entry last update"
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"title": "Tenda M3 setVlanPolicyData formSetVlanPolicy heap-based overflow"
}
},
"cveMetadata": {
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"assignerShortName": "VulDB",
"cveId": "CVE-2025-15230",
"datePublished": "2025-12-30T06:32:07.597Z",
"dateReserved": "2025-12-29T08:00:54.815Z",
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Mitigation
Pre-design: Use a language or compiler that performs automatic bounds checking.
Mitigation
Architecture and Design
Use an abstraction library to abstract away risky APIs. Not a complete solution.
Mitigation MIT-10
Operation
Build and Compilation
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
Operation
Build and Compilation
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
Implementation
Implement and perform bounds checking on input.
Mitigation
Implementation
Strategy: Libraries or Frameworks
Do not use dangerous functions such as gets. Look for their safe equivalent, which checks for the boundary.
Mitigation
Operation
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.