Common Weakness Enumeration
CWE-121
AllowedStack-based Buffer Overflow
Abstraction: Variant · Status: Draft
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).
3363 vulnerabilities reference this CWE, most recent first.
CVE-2026-34462 (GCVE-0-2026-34462)
Vulnerability from cvelistv5 – Published: 2026-05-05 19:30 – Updated: 2026-05-07 12:56
VLAI
EPSS
VEX
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 · CISA-ADP (v2.0.3)
Decision recorded 2026-05-07 03:55 UTC
Assigner
GitHub_M
CNA
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
EPSS
VEX
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 · CISA-ADP (v2.0.3)
Decision recorded 2026-05-07 03:55 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
GitHub_M
CNA
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-2026-34459 (GCVE-0-2026-34459)
Vulnerability from cvelistv5 – Published: 2026-05-05 19:27 – Updated: 2026-05-07 03:55
VLAI
EPSS
VEX
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 · CISA-ADP (v2.0.3)
Decision recorded 2026-05-06 00:00 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
GitHub_M
CNA
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-2026-34122 (GCVE-0-2026-34122)
Vulnerability from cvelistv5 – Published: 2026-04-02 17:20 – Updated: 2026-04-02 17:59
VLAI
EPSS
VEX
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 · CISA-ADP (v2.0.3)
Decision recorded 2026-04-02 17:59 UTC
CWE
- CWE-121 - Stack-based buffer overflow
Assigner
TPLink
CNA
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
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CVE-2026-33963 (GCVE-0-2026-33963)
Vulnerability from cvelistv5 – Published: 2026-09-14 00:00 – Updated: 2026-09-16 14:28
VLAI
EPSS
VEX
Summary
An issue was discovered in camera in Samsung Mobile Processor Exynos 1330, 1380, 1480, 2400, 1580, 2500, 2600, and 1680. A stack-based buffer overflow occurs when a malformed message is sent to the camera driver, causing a denial of service.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-16 14:28 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
mitre
CNA
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Samsung | Exynos 1330 firmware |
Affected:
0 , ≤ 2025-12-29
(custom)
cpe:2.3:a:samsung:exynos_1330_firmware:*:*:*:*:*:*:*:* |
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CVE-2026-33930 (GCVE-0-2026-33930)
Vulnerability from cvelistv5 – Published: 2026-07-29 07:23 – Updated: 2026-10-01 16:57
VLAI
EPSS
VEX
Title
Apache Traffic Server: Buffer overflow via Host field that has a long string value
Summary
Apache Traffic Server copies the client Host header into a fixed-size stack buffer without a bound during redirect handling, so an over-long Host header overflows the stack when redirect following is enabled.
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-29 13:10 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
apache
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/5prl9glcm9g2swnq9… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Traffic Server |
Affected:
8.0.0 , ≤ 8.1.11
(semver)
Affected: 9.0.0 , ≤ 9.2.14 (semver) Affected: 10.0.0 , ≤ 10.1.3 (semver) |
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CVE-2026-33798 (GCVE-0-2026-33798)
Vulnerability from cvelistv5 – Published: 2026-10-14 16:59 – Updated: 2026-10-15 03:57
VLAI
EPSS
VEX
Title
Junos OS and Junos OS Evolved: SRX Series: An attacker causes remote code execution when SRX chassis-cluster is enabled
Summary
A Stack-based Buffer Overflow vulnerability in the srxpfe of Juniper Networks Junos OS and Junos OS Evolved on the SRX Series allows an L2-adjacent attacker to execute arbitrary code as root via high-availability fabric traffic.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-14 00:00 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
juniper
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://supportportal.juniper.net/JSA112186 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
0 , < 23.2R2-S7.7
(custom)
Affected: 23.4 , < 23.4R2-S8.13 (custom) Affected: 24.2 , < 24.2R2-S5.5 (custom) Affected: 24.4 , < 24.4R2-S5 (custom) Affected: 25.2 , < 25.2R2-S2 (custom) Affected: 25.4 , < 25.4R1-S3 (custom) Affected: 26.2 , < 26.2R1-S2 (custom) |
|
| Juniper Networks | Junos OS Evolved |
Affected:
0 , < 23.2R2-S7.7-EVO
(custom)
Affected: 23.4 , < 23.4R2-S8.11-EVO (custom) Affected: 24.2 , < 24.2R2-S5.6-EVO (custom) Affected: 24.4 , < 24.4R2-S5-EVO (custom) Affected: 25.2 , < 25.2R2-S2-EVO (custom) Affected: 25.4 , < 25.4R1-S3-EVO (custom) Affected: 26.2 , < 26.2R1-S2-EVO (custom) Affected: 23.4X100 (custom) Affected: 25.2X100 , < 25.2X100-D35-EVO (custom) Affected: 25.4X300 , < 25.4X300-D40-EVO (custom) |
Date Public
2026-10-14 16:00
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CVE-2026-33796 (GCVE-0-2026-33796)
Vulnerability from cvelistv5 – Published: 2026-10-14 16:59 – Updated: 2026-10-15 03:57
VLAI
EPSS
VEX
Title
Junos OS and Junos OS Evolved: An attacker causes remote root command execution when BMP route monitoring is enabled
Summary
A Stack-based Buffer Overflow vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a configured external BGP neighbor to execute arbitrary commands with root privileges via BMP route monitoring.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-14 00:00 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
juniper
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://supportportal.juniper.net/JSA112187 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
0 , < 23.2R2-S7.7
(custom)
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|
| Juniper Networks | Junos OS Evolved |
Affected:
0 , < 23.2R2-S7.7-EVO
(custom)
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Date Public
2026-10-14 16:00
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CVE-2026-33792 (GCVE-0-2026-33792)
Vulnerability from cvelistv5 – Published: 2026-10-14 16:58 – Updated: 2026-10-15 03:57
VLAI
EPSS
VEX
Title
Junos OS: SRX Series: An attacker causes remote code execution and denial of service when a GRE tunnel is configured
Summary
A Stack-based Buffer Overflow vulnerability in the srxpfe process of Juniper Networks Junos OS on SRX Series allows an unauthenticated network attacker to execute code as root or cause a denial of service via a crafted packet received on a configured GRE tunnel.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-14 00:00 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
juniper
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://supportportal.juniper.net/JSA112186 | vendor-advisory |
Impacted products
1 product
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|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
0 , < 23.2R2-S7.7
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Date Public
2026-10-14 16:00
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CVE-2026-33789 (GCVE-0-2026-33789)
Vulnerability from cvelistv5 – Published: 2026-10-14 16:58 – Updated: 2026-10-15 03:57
VLAI
EPSS
VEX
Title
Junos OS and Junos OS Evolved: With BGP Monitoring Protocol is enabled, receipt of a specifically crafted BGP route update results in denial of service
Summary
A Stack-based Buffer Overflow vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated BGP peer to cause a denial of service and potential root-level command execution via crafted BGP route updates when the BGP Monitoring Protocol (BMP) is enabled.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-14 00:00 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
juniper
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://supportportal.juniper.net/JSA112187 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
0 , < 23.2R2-S7.7
(custom)
Affected: 23.4 , < 23.4R2-S8.13 (custom) Affected: 24.2 , < 24.2R2-S5.5 (custom) Affected: 24.4 , < 24.4R2-S5 (custom) Affected: 25.2 , < 25.2R2-S2 (custom) Affected: 25.4 , < 25.4R1-S3 (custom) Affected: 26.2 , < 26.2R1-S2 (custom) |
|
| Juniper Networks | Junos OS Evolved |
Affected:
0 , < 23.2R2-S7.7-EVO
(custom)
Affected: 23.4 , < 23.4R2-S8.11-EVO (custom) Affected: 24.2 , < 24.2R2-S5.6-EVO (custom) Affected: 24.4 , < 24.4R2-S5-EVO (custom) Affected: 25.2 , < 25.2R2-S2-EVO (custom) Affected: 25.4 , < 25.4R1-S3-EVO (custom) Affected: 26.2 , < 26.2R1-S2-EVO (custom) Affected: 23.4X100 (custom) Affected: 25.2X100 , < 25.2X100-D35-EVO (custom) Affected: 25.4X300 , < 25.4X300-D40-EVO (custom) |
Date Public
2026-10-14 16:00
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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
Architecture and Design
Use an abstraction library to abstract away risky APIs. Not a complete solution.
Mitigation
Implementation
Implement and perform bounds checking on input.
Mitigation
Implementation
Do not use dangerous functions such as gets. Use safer, equivalent functions which check for boundary errors.
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].
No CAPEC attack patterns related to this CWE.