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).

5305 vulnerabilities reference this CWE, most recent first.

CVE-2018-1071 (GCVE-0-2018-1071)

Vulnerability from cvelistv5 – Published: 2018-03-09 15:00 – Updated: 2024-08-05 03:51
VLAI
Summary
zsh through version 5.4.2 is vulnerable to a stack-based buffer overflow in the exec.c:hashcmd() function. A local attacker could exploit this to cause a denial of service.
Severity
No CVSS data available.
CWE
Assigner
References
URL Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1553531 x_refsource_CONFIRM
https://usn.ubuntu.com/3608-1/ vendor-advisoryx_refsource_UBUNTU
http://www.securityfocus.com/bid/103359 vdb-entryx_refsource_BID
https://security.gentoo.org/glsa/201805-10 vendor-advisoryx_refsource_GENTOO
https://lists.debian.org/debian-lts-announce/2018… mailing-listx_refsource_MLIST
https://access.redhat.com/errata/RHSA-2018:3073 vendor-advisoryx_refsource_REDHAT
https://lists.debian.org/debian-lts-announce/2020… mailing-listx_refsource_MLIST
Impacted products
Vendor Product Version
zsh zsh Affected: 5.4.2
Create a notification for this product.
Date Public
2018-03-08 00:00
Show details on NVD website
To clipboard 

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CVE-2018-1046 (GCVE-0-2018-1046)

Vulnerability from cvelistv5 – Published: 2018-07-16 20:00 – Updated: 2024-08-05 03:44
VLAI
Summary
pdns before version 4.1.2 is vulnerable to a buffer overflow in dnsreplay. In the dnsreplay tool provided with PowerDNS Authoritative, replaying a specially crafted PCAP file can trigger a stack-based buffer overflow, leading to a crash and potentially arbitrary code execution. This buffer overflow only occurs when the -ecs-stamp option of dnsreplay is used.
Severity
7 (High)
CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
[UNKNOWN] pdns Affected: pdns 4.1.2
Create a notification for this product.
Date Public
2018-07-16 00:00
Show details on NVD website
To clipboard 

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CVE-2017-20242 (GCVE-0-2017-20242)

Vulnerability from cvelistv5 – Published: 2026-08-04 18:52 – Updated: 2026-08-04 18:59
VLAI
Title
Keysight IxChariot Endpoint stack-based buffer overflow
Summary
Keysight IxChariot Endpoint before 9.5.102 contains a stack-based buffer overflow. An unauthenticated remote attacker can send a specially crafted packet to crash the endpoint or potentially execute arbitrary code.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.3 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
Keysight IxChariot Unaffected: 9.5.102
Affected: 0 , < 9.5.102 (custom)
Create a notification for this product.
Date Public
2017-08-11 00:00
Credits
Sébastien Charbonnier, ANSSI
Show details on NVD website
To clipboard 

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CVE-2017-20230 (GCVE-0-2017-20230)

Vulnerability from cvelistv5 – Published: 2026-04-21 15:26 – Updated: 2026-04-21 18:22
VLAI
Title
Storable versions before 3.05 for Perl has a stack overflow
Summary
Storable versions before 3.05 for Perl has a stack overflow. The retrieve_hook function stored the length of the class name into a signed integer but in read operations treated the length as unsigned. This allowed an attacker to craft data that could trigger the overflow.
Severity
10 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
NWCLARK Storable Affected: 0 , < 3.05 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2017-20205 (GCVE-0-2017-20205)

Vulnerability from cvelistv5 – Published: 2025-10-15 01:23 – Updated: 2025-11-21 14:19
VLAI
Title
Valve Source SDK Stack-Based Buffer Overflow RCE
Summary
Valve's Source SDK (source-sdk-2013)'s ragdoll model parsing logic contains a stack-based buffer overflow vulnerability.The tokenizer function `nexttoken` copies characters from an input string into a fixed-size stack buffer without performing bounds checks. When `ParseKeyValue` processes a collisionpair rule longer than the destination buffer (256 bytes), an overflow of the stack buffer `szToken` can occur and overwrite the function return address. A remote attacker can trigger the vulnerable code by supplying a specially crafted ragdoll model which causes the oversized collisionpair rule to be parsed, resulting in remote code execution on affected clients or servers. Valve has addressed this issue in many of their Source games, but independently-developed games must manually apply patch.
Severity
9.2 (Critical)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Credits
One Up Security, LLC
Show details on NVD website
To clipboard 

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CVE-2017-16751 (GCVE-0-2017-16751)

Vulnerability from cvelistv5 – Published: 2018-03-15 23:00 – Updated: 2024-08-05 20:35
VLAI
Summary
A Stack-based Buffer Overflow issue was discovered in Delta Electronics Delta Industrial Automation Screen Editor, Version 2.00.23.00 or prior. Stack-based buffer overflow vulnerabilities caused by processing specially crafted .dpb files may allow an attacker to remotely execute arbitrary code.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a Delta Electronics Delta Industrial Automation Screen Editor Affected: Delta Electronics Delta Industrial Automation Screen Editor
Date Public
2018-03-15 00:00
Show details on NVD website
To clipboard 

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CVE-2017-16739 (GCVE-0-2017-16739)

Vulnerability from cvelistv5 – Published: 2018-01-12 20:00 – Updated: 2024-08-05 20:35
VLAI
Summary
An issue was discovered in WECON Technology LEVI Studio HMI Editor v1.8.29 and prior. Specially-crafted malicious files may be able to cause stack-based buffer overflow vulnerabilities, which may allow remote code execution.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a WECON Technology Co., Ltd. LeviStudio HMI Editor Affected: WECON Technology Co., Ltd. LeviStudio HMI Editor
Date Public
2018-01-12 00:00
Show details on NVD website
To clipboard 

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CVE-2017-16724 (GCVE-0-2017-16724)

Vulnerability from cvelistv5 – Published: 2018-01-05 08:00 – Updated: 2024-08-05 20:35
VLAI
Summary
A Stack-based Buffer Overflow issue was discovered in Advantech WebAccess versions prior to 8.3. There are multiple instances of a vulnerability that allows too much data to be written to a location on the stack.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a Advantech WebAccess Affected: Advantech WebAccess
Date Public
2018-01-05 00:00
Show details on NVD website
To clipboard 

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CVE-2017-16336 (GCVE-0-2017-16336)

Vulnerability from cvelistv5 – Published: 2023-01-11 21:40 – Updated: 2025-04-08 14:22
VLAI
Summary
Multiple exploitable buffer overflow vulnerabilities exist in the PubNub message handler for the "cc" channel of Insteon Hub running firmware version 1012. Specially crafted commands sent through the PubNub service can cause a stack-based buffer overflow overwriting arbitrary data. An attacker should send an authenticated HTTP request to trigger this vulnerability. In cmd s_event_var, at 0x9d01eeb0, the value for the `s_value` key is copied using `strcpy` to the buffer at `$sp+0x10`.This buffer is 244 bytes large, sending anything longer will cause a buffer overflow.
Severity
8.5 (High)
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
Insteon Hub Affected: Not specified
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2017-16335 (GCVE-0-2017-16335)

Vulnerability from cvelistv5 – Published: 2023-01-11 21:40 – Updated: 2025-04-08 14:24
VLAI
Summary
Multiple exploitable buffer overflow vulnerabilities exist in the PubNub message handler for the "cc" channel of Insteon Hub running firmware version 1012. Specially crafted commands sent through the PubNub service can cause a stack-based buffer overflow overwriting arbitrary data. An attacker should send an authenticated HTTP request to trigger this vulnerability. In cmd s_event_var, at 0x9d01ee70, the value for the `s_offset` key is copied using `strcpy` to the buffer at `$sp+0x2b0`.This buffer is 32 bytes large, sending anything longer will cause a buffer overflow.
Severity
8.5 (High)
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
Insteon Hub Affected: Not specified
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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