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Common Weakness Enumeration

CWE-121

Allowed

Stack-based Buffer Overflow

Abstraction: Variant · Status: Draft

API response cwe.mitre.org

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).

5538 vulnerabilities reference this CWE, most recent first.

CVE-2025-66280 (GCVE-0-2025-66280)

Vulnerability from cvelistv5 – Published: 2026-06-10 03:05 – Updated: 2026-06-10 15:52
VLAI
Title
QTS, QuTS hero
Summary
An integer overflow or wraparound vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to compromise the security of the system. We have already fixed the vulnerability in the following versions: QTS 5.2.9.3410 build 20260214 and later QuTS hero h5.2.9.3410 build 20260214 and later QuTS hero h5.3.4.3500 build 20260520 and later QuTS hero h6.0.0.3397 build 20260206 and later
Severity
5.1 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-10 15:50 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
QNAP Systems Inc. QTS Affected: 5.2.0 , < 5.2.9.3410 build 20260214 (custom)
Create a notification for this product.
QNAP Systems Inc. QuTS hero Affected: h5.2.0 , < h5.2.9.3410 build 20260214 (custom)
Affected: h5.3.0 , < h5.3.4.3500 build 20260520 (custom)
Affected: ? , < h6.0.0.3397 build 20260206 (custom)
Create a notification for this product.
Credits
Bechir Bouali (@b3ch1r) from SecLab - TII
Show details on NVD website
To clipboard 

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CVE-2025-66215 (GCVE-0-2025-66215)

Vulnerability from cvelistv5 – Published: 2026-03-30 17:06 – Updated: 2026-03-31 18:53
VLAI
Title
OpenSC: Stack-buffer-overflow WRITE in card-oberthur
Summary
OpenSC is an open source smart card tools and middleware. Prior to version 0.27.0, an attacker with physical access to the computer at the time user or administrator uses a token can cause a stack-buffer-overflow WRITE in card-oberthur. The attack requires crafted USB device or smart card that would present the system with specially crafted responses to the APDUs. This issue has been patched in version 0.27.0.
Severity
3.8 (Low)
CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-31 18:50 UTC
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
OpenSC OpenSC Affected: < 0.27.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-66048 (GCVE-0-2025-66048)

Vulnerability from cvelistv5 – Published: 2025-12-11 16:43 – Updated: 2025-12-11 19:36
VLAI
Summary
Several stack-based buffer overflow vulnerabilities exists in the MFER parsing functionality of The Biosig Project libbiosig 3.9.1. A specially crafted MFER file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger these vulnerabilities.When Tag is 133
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-11 19:20 UTC
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Credits
Discovered by Mark Bereza and Lilith &gt;_&gt; of Cisco Talos.
Show details on NVD website
To clipboard 

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CVE-2025-66047 (GCVE-0-2025-66047)

Vulnerability from cvelistv5 – Published: 2025-12-11 16:43 – Updated: 2025-12-11 19:36
VLAI
Summary
Several stack-based buffer overflow vulnerabilities exists in the MFER parsing functionality of The Biosig Project libbiosig 3.9.1. A specially crafted MFER file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger these vulnerabilities.When Tag is 131
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-11 19:20 UTC
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Credits
Discovered by Mark Bereza and Lilith &gt;_&gt; of Cisco Talos.
Show details on NVD website
To clipboard 

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CVE-2025-66046 (GCVE-0-2025-66046)

Vulnerability from cvelistv5 – Published: 2025-12-11 16:43 – Updated: 2025-12-11 19:36
VLAI
Summary
Several stack-based buffer overflow vulnerabilities exists in the MFER parsing functionality of The Biosig Project libbiosig 3.9.1. A specially crafted MFER file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger these vulnerabilities.When Tag is 67
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-11 19:20 UTC
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Credits
Discovered by Mark Bereza and Lilith &gt;_&gt; of Cisco Talos.
Show details on NVD website
To clipboard 

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CVE-2025-66045 (GCVE-0-2025-66045)

Vulnerability from cvelistv5 – Published: 2025-12-11 16:43 – Updated: 2025-12-11 19:36
VLAI
Summary
Several stack-based buffer overflow vulnerabilities exists in the MFER parsing functionality of The Biosig Project libbiosig 3.9.1. A specially crafted MFER file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger these vulnerabilities.When Tag is 65
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-11 19:20 UTC
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Credits
Discovered by Mark Bereza and Lilith &gt;_&gt; of Cisco Talos.
Show details on NVD website
To clipboard 

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CVE-2025-66044 (GCVE-0-2025-66044)

Vulnerability from cvelistv5 – Published: 2025-12-11 16:43 – Updated: 2025-12-11 19:36
VLAI
Summary
Several stack-based buffer overflow vulnerabilities exists in the MFER parsing functionality of The Biosig Project libbiosig 3.9.1. A specially crafted MFER file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger these vulnerabilities.When Tag is 64
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-11 19:20 UTC
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Credits
Discovered by Mark Bereza and Lilith &gt;_&gt; of Cisco Talos.
Show details on NVD website
To clipboard 

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CVE-2025-66043 (GCVE-0-2025-66043)

Vulnerability from cvelistv5 – Published: 2025-12-11 16:43 – Updated: 2025-12-11 19:36
VLAI
Summary
Several stack-based buffer overflow vulnerabilities exists in the MFER parsing functionality of The Biosig Project libbiosig 3.9.1. A specially crafted MFER file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger these vulnerabilities.When Tag is 3
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-11 19:20 UTC
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Credits
Discovered by Mark Bereza and Lilith &gt;_&gt; of Cisco Talos.
Show details on NVD website
To clipboard 

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CVE-2025-64469 (GCVE-0-2025-64469)

Vulnerability from cvelistv5 – Published: 2025-12-18 14:53 – Updated: 2026-02-26 16:07
VLAI
Title
Stack-based Buffer Overflow in LVResource::DetachResource() in NI LabVIEW
Summary
There is a stack-based buffer overflow vulnerability in NI LabVIEW in LVResFile::FindRsrcListEntry() when parsing a corrupted VI file. This vulnerability may result in information disclosure or arbitrary code execution. Successful exploitation requires an attacker to get a user to open a specially crafted VI. This vulnerability affects NI LabVIEW 2025 Q3 (25.3) and prior versions.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
8.5 (High)
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-19 04:55 UTC
CWE
  • CWE-121 - - Stack-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
NI LabVIEW Affected: 0 , ≤ 22.3.6 (semver)
Affected: 23.1.0 , ≤ 23.3.7 (semver)
Affected: 24.1.0 , ≤ 24.3.4 (semver)
Affected: 25.1.0 , ≤ 25.3.2 (semver)
    cpe:2.3:a:ni:labview:*:*:*:*:*:*:*:*
    cpe:2.3:a:ni:labview:*:*:*:*:*:*:*:*
    cpe:2.3:a:ni:labview:*:*:*:*:*:*:*:*
    cpe:2.3:a:ni:labview:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
Michael Heinzl working with CISA
Show details on NVD website
To clipboard 

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CVE-2025-64344 (GCVE-0-2025-64344)

Vulnerability from cvelistv5 – Published: 2025-11-26 23:05 – Updated: 2025-11-28 15:30
VLAI
Title
Suricata is vulnerable to a stack overflow from unbounded stack allocation in LuaPushStringBuffer
Summary
Suricata is a network IDS, IPS and NSM engine developed by the OISF (Open Information Security Foundation) and the Suricata community. Prior to versions 7.0.13 and 8.0.2, working with large buffers in Lua scripts can lead to a stack overflow. Users of Lua rules and output scripts may be affected when working with large buffers. This includes a rule passing a large buffer to a Lua script. This issue has been patched in versions 7.0.13 and 8.0.2. A workaround for this issue involves disabling Lua rules and output scripts, or making sure limits, such as stream.depth.reassembly and HTTP response body limits (response-body-limit), are set to less than half the stack size.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-11-28 15:29 UTC
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
OISF suricata Affected: < 7.0.13
Affected: < 8.0.2
Create a notification for this product.
Show details on NVD website
To clipboard 

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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.

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