CWE-121
Stack-based Buffer Overflow
A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
CVE-2026-34122 (GCVE-0-2026-34122)
Vulnerability from cvelistv5 – Published: 2026-04-02 17:20 – Updated: 2026-04-02 17:59
VLAI
Title
Stack-based Buffer Overflow Leading to Denial of Service in TP-Link Tapo C520WS
Summary
A stack-based buffer overflow vulnerability was identified in TP-Link Tapo C520WS v2.6 within a configuration handling component due to insufficient input validation. An attacker can exploit this vulnerability by supplying an excessively long value for a vulnerable configuration parameter, resulting in a stack overflow.
Successful exploitation results in Denial-of-Service (DoS) condition, leading to a service crash or device reboot, impacting availability.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-121 - Stack-based buffer overflow
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.tp-link.com/us/support/download/tapo-… | patch |
| https://www.tp-link.com/en/support/download/tapo-… | patch |
| https://www.tp-link.com/us/support/faq/5047/ | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TP-Link Systems Inc. | Tapo C520WS v2.6 |
Affected:
0 , < 1.2.4 Build 260326 Rel.24666n
(custom)
|
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CVE-2026-3439 (GCVE-0-2026-3439)
Vulnerability from cvelistv5 – Published: 2026-03-04 09:19 – Updated: 2026-03-04 16:05
VLAI
Summary
A post-authentication Stack-based Buffer Overflow vulnerability in SonicOS certificate handling allows a remote attacker to crash a firewall.
Severity
4.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.global.sonicwall.com/vuln-detail/SN… | vendor-advisory |
Impacted products
Date Public
2026-03-04 09:07
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CVE-2026-34459 (GCVE-0-2026-34459)
Vulnerability from cvelistv5 – Published: 2026-05-05 19:27 – Updated: 2026-05-07 03:55
VLAI
Title
Sandboxie-Plus sandbox escape via uninitialized memory leak and stack overflow in GetRawInputDeviceInfoSlave
Summary
Sandboxie-Plus is an open source sandbox-based isolation software for Windows. In versions 1.17.2 and earlier, the SbieSvc proxy service's GetRawInputDeviceInfoSlave handler contains two vulnerabilities that can be chained for sandbox escape. First, when a sandboxed process sends an IPC request with cbSize set to 0, up to 32KB of uninitialized stack memory from the service process is returned, leaking return addresses and stack cookies which bypass ASLR and /GS protections. Second, the handler performs a memcpy with an attacker-controlled length without verifying it fits within the 32KB stack buffer, enabling a stack buffer overflow. By chaining the information leak with the overflow, a sandboxed process can execute a ROP chain to achieve SYSTEM privilege escalation, even from a Security Hardened Sandbox. Hardware-enforced shadow stacks (Intel CET) prevent the ROP chain execution but do not mitigate the information leak. This issue has been fixed in version 1.17.3.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/sandboxie-plus/Sandboxie/secur… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| sandboxie-plus | Sandboxie |
Affected:
< 1.17.3
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CVE-2026-34461 (GCVE-0-2026-34461)
Vulnerability from cvelistv5 – Published: 2026-05-05 19:28 – Updated: 2026-05-07 12:56
VLAI
Title
Sandboxie-Plus SbieIniServer RunSbieCtrl stack buffer overflow allows local privilege escalation
Summary
Sandboxie-Plus is an open source sandbox-based isolation software for Windows. In versions 1.17.2 and earlier, the SbieIniServer RunSbieCtrl handler contains a stack buffer overflow. The MSGID_SBIE_INI_RUN_SBIE_CTRL message is handled before normal sandbox and impersonation checks, and for non-sandboxed callers, the handler copies the trailing message payload into a fixed-size WCHAR ctrlCmd[128] stack buffer using memcpy without verifying the length fits within the buffer. The service pipe is created with a NULL DACL, allowing any local interactive process to connect and send an oversized payload to overflow the stack. This can lead to a crash of the SbieSvc service or potential code execution as SYSTEM. This issue has been fixed in version 1.17.3.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/sandboxie-plus/Sandboxie/secur… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| sandboxie-plus | Sandboxie |
Affected:
< 1.17.3
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CVE-2026-34462 (GCVE-0-2026-34462)
Vulnerability from cvelistv5 – Published: 2026-05-05 19:30 – Updated: 2026-05-07 12:56
VLAI
Title
Sandboxie-Plus ProcessServer boxname stack buffer overflows via unterminated wide string copy
Summary
Sandboxie-Plus is an open source sandbox-based isolation software for Windows. In versions 1.17.2 and earlier, several ProcessServer handlers (KillAllHandler, SuspendAllHandler, and RunSandboxedHandler) copy a WCHAR boxname[34] field from request structures into WCHAR[40] stack buffers using wcscpy without verifying null termination. Because the service pipe accepts variable-length packets larger than the request structure, an attacker can fill the boxname field with non-zero data and append additional controlled wide characters after the structure. wcscpy then reads past the fixed field and overflows the destination stack buffer. The service pipe is created with a NULL DACL, allowing any local process to connect, and the unsafe copy occurs before authorization checks. This can lead to a crash of the SbieSvc service or potential code execution as SYSTEM. This issue has been fixed in version 1.17.3.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/sandboxie-plus/Sandboxie/secur… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| sandboxie-plus | Sandboxie |
Affected:
< 1.17.3
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CVE-2026-34464 (GCVE-0-2026-34464)
Vulnerability from cvelistv5 – Published: 2026-05-05 19:31 – Updated: 2026-05-07 12:55
VLAI
Title
Sandboxie-Plus NamedPipeServer OpenHandler stack overflow via unterminated server field
Summary
Sandboxie-Plus is an open source sandbox-based isolation software for Windows. In versions 1.17.2 and earlier, NamedPipeServer::OpenHandler copies the server field from NAMED_PIPE_OPEN_REQ into a fixed WCHAR pipename[160] stack buffer using wcscat without verifying null termination. The handler only enforces a minimum packet size, and since the service pipe accepts variable-length messages, a sandboxed caller can fill the server[48] field with non-zero data and append additional controlled wide characters after the structure. wcscat then reads past the fixed field and overflows the stack buffer in the SYSTEM service. This message is restricted to sandboxed callers, making it a sandbox escape vector. This can lead to a crash of the SbieSvc service or potential code execution as SYSTEM. This issue has been fixed in version 1.17.3.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/sandboxie-plus/Sandboxie/secur… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| sandboxie-plus | Sandboxie |
Affected:
< 1.17.3
|
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CVE-2026-34542 (GCVE-0-2026-34542)
Vulnerability from cvelistv5 – Published: 2026-03-31 22:05 – Updated: 2026-04-03 16:41
VLAI
Title
iccDEV: SBO in CIccCalculatorFunc::Apply()
Summary
iccDEV provides a set of libraries and tools for working with ICC color management profiles. Prior to version 2.3.1.6, a crafted ICC profile can trigger a stack-buffer-overflow (SBO) in CIccCalculatorFunc::Apply() when processed via iccApplyNamedCmm. Under AddressSanitizer, the failure is reported as a 4-byte write stack-buffer-overflow in IccProfLib/IccMpeCalc.cpp:3873, reachable through the MPE calculator / curve set initialization path. This issue has been patched in version 2.3.1.6.
Severity
6.2 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/InternationalColorConsortium/i… | x_refsource_CONFIRM |
| https://github.com/InternationalColorConsortium/i… | x_refsource_MISC |
| https://github.com/InternationalColorConsortium/i… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| InternationalColorConsortium | iccDEV |
Affected:
< 2.3.1.6
|
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CVE-2026-34555 (GCVE-0-2026-34555)
Vulnerability from cvelistv5 – Published: 2026-03-31 22:21 – Updated: 2026-04-01 13:22
VLAI
Title
iccDEV: SBO in CIccTagFixedNum::GetValues()
Summary
iccDEV provides a set of libraries and tools for working with ICC color management profiles. Prior to version 2.3.1.6, there is a stack-buffer-overflow (SBO) in CIccTagFixedNum<>::GetValues() and a related bug chain. The primary crash is an AddressSanitizer-reported WRITE of size 4 that overflows a 4-byte stack variable (rv) via the call chain CIccTagFixedNum::GetValues() -> CIccTagStruct::GetElemNumberValue(). This issue has been patched in version 2.3.1.6.
Severity
6.2 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/InternationalColorConsortium/i… | x_refsource_CONFIRM |
| https://github.com/InternationalColorConsortium/i… | x_refsource_MISC |
| https://github.com/InternationalColorConsortium/i… | x_refsource_MISC |
| https://github.com/InternationalColorConsortium/i… | x_refsource_MISC |
| https://github.com/InternationalColorConsortium/i… | x_refsource_MISC |
| https://github.com/InternationalColorConsortium/i… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| InternationalColorConsortium | iccDEV |
Affected:
< 2.3.1.6
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CVE-2026-34690 (GCVE-0-2026-34690)
Vulnerability from cvelistv5 – Published: 2026-05-12 19:26 – Updated: 2026-05-14 03:55
VLAI
Title
After Effects | Stack-based Buffer Overflow (CWE-121)
Summary
After Effects versions 26.0, 25.6.4 and earlier are affected by a Stack-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-121 - Stack-based Buffer Overflow (CWE-121)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/after_e… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | After Effects |
Affected:
0 , ≤ 25.6.4
(semver)
|
Date Public
2026-05-12 17:00
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CVE-2026-35083 (GCVE-0-2026-35083)
Vulnerability from cvelistv5 – Published: 2026-06-03 10:41 – Updated: 2026-06-03 14:07
VLAI
Title
Stack buffer overflow in method bac-deviceobject
Summary
A remote attacker with user privileges can exploit a stack buffer overflow to gain full system access as root.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
1 reference
Impacted products
18 products
| Vendor | Product | Version | |
|---|---|---|---|
| MBS | Single-A |
Affected:
V1_0_0_0 , < V6_0_0_7
(custom)
|
|
| MBS | Double-A Profibus |
Affected:
V1_0_0_0 , < V6_0_0_7
(custom)
|
|
| MBS | Double-A x-link |
Affected:
V1_0_0_0 , < V6_0_0_7
(custom)
|
|
| MBS | Single-X |
Affected:
V1_0_0_0 , < V6_0_0_7
(custom)
|
|
| MBS | Double-X CAN |
Affected:
V1_0_0_0 , < V6_0_0_7
(custom)
|
|
| MBS | Double-X DALI |
Affected:
V1_0_0_0 , < V6_0_0_7
(custom)
|
|
| MBS | Double-X KNX |
Affected:
V1_0_0_0 , < V6_0_0_7
(custom)
|
|
| MBS | Double-X LON |
Affected:
V1_0_0_0 , < V6_0_0_7
(custom)
|
|
| MBS | Double-X M-Bus |
Affected:
V1_0_0_0 , < V6_0_0_7
(custom)
|
|
| MBS | Double-X PROFINET |
Affected:
V1_0_0_0 , < V6_0_0_7
(custom)
|
|
| MBS | Double-X x-link |
Affected:
V1_0_0_0 , < V6_0_0_7
(custom)
|
|
| MBS | Triple-X KNX+DALI |
Affected:
V1_0_0_0 , < V6_0_0_7
(custom)
|
|
| MBS | Triple-X KNX+LON |
Affected:
V1_0_0_0 , < V6_0_0_7
(custom)
|
|
| MBS | Triple-X KNX+M-Bus |
Affected:
V1_0_0_0 , < V6_0_0_7
(custom)
|
|
| MBS | Triple-X PROFINET+DALI |
Affected:
V1_0_0_0 , < V6_0_0_7
(custom)
|
|
| MBS | Triple-X PROFINET+KNX |
Affected:
V1_0_0_0 , < V6_0_0_7
(custom)
|
|
| MBS | Triple-X PROFINET+LON |
Affected:
V1_0_0_0 , < V6_0_0_7
(custom)
|
|
| MBS | Triple-X PROFINET+M-Bus |
Affected:
V1_0_0_0 , < V6_0_0_7
(custom)
|
Credits
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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
Phase: Architecture and Design
Description:
- Use an abstraction library to abstract away risky APIs. Not a complete solution.
Mitigation
Phase: Implementation
Description:
- Implement and perform bounds checking on input.
Mitigation
Phase: Implementation
Description:
- Do not use dangerous functions such as gets. Use safer, equivalent functions which check for boundary errors.
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].
No CAPEC attack patterns related to this CWE.