Common Weakness Enumeration

CWE-121

Allowed

Stack-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).

5203 vulnerabilities reference this CWE, most recent first.

CVE-2026-24882 (GCVE-0-2026-24882)

Vulnerability from cvelistv5 – Published: 2026-01-27 18:40 – Updated: 2026-07-15 01:16
VLAI
Summary
In GnuPG before 2.5.17, a stack-based buffer overflow exists in tpm2daemon during handling of the PKDECRYPT command for TPM-backed RSA and ECC keys.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
Impacted products
Vendor Product Version
GnuPG GnuPG Affected: 0 , < 2.5.17 (semver)
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 10 Unaffected: 0:2.4.5-4.el10_1 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:10.1
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support Unaffected: 0:2.4.5-2.el10_0.2 , < * (rpm)
    cpe:/o:redhat:enterprise_linux_eus:10.0
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8     cpe:/o:redhat:enterprise_linux:8
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 9     cpe:/o:redhat:enterprise_linux:9
Create a notification for this product.
Show details on NVD website

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CVE-2026-24881 (GCVE-0-2026-24881)

Vulnerability from cvelistv5 – Published: 2026-01-27 18:36 – Updated: 2026-07-15 01:16
VLAI
Summary
In GnuPG before 2.5.17, a crafted CMS (S/MIME) EnvelopedData message carrying an oversized wrapped session key can cause a stack-based buffer overflow in gpg-agent during PKDECRYPT--kem=CMS handling. This can easily be leveraged for denial of service; however, there is also memory corruption that could lead to remote code execution.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
Impacted products
Show details on NVD website

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CVE-2026-24640 (GCVE-0-2026-24640)

Vulnerability from cvelistv5 – Published: 2026-03-10 16:44 – Updated: 2026-03-11 03:56
VLAI
Summary
A Stack-based Buffer Overflow vulnerability [CWE-121] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.2, FortiWeb 7.6.0 through 7.6.6, FortiWeb 7.4 all versions, FortiWeb 7.2 all versions, FortiWeb 7.0.2 through 7.0.12 may allow a remote authenticated attacker who can bypass stack protection and ASLR to execute arbitrary code or commands via crafted HTTP requests.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-121 - Execute unauthorized code or commands
Assigner
References
Impacted products
Vendor Product Version
Fortinet FortiWeb Affected: 8.0.0 , ≤ 8.0.2 (semver)
Affected: 7.6.0 , ≤ 7.6.6 (semver)
Affected: 7.4.0 , ≤ 7.4.12 (semver)
Affected: 7.2.0 , ≤ 7.2.12 (semver)
Affected: 7.0.2 , ≤ 7.0.12 (semver)
    cpe:2.3:a:fortinet:fortiweb:8.0.2:*:*:*:*:*:*:*
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Create a notification for this product.
Show details on NVD website

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CVE-2026-24497 (GCVE-0-2026-24497)

Vulnerability from cvelistv5 – Published: 2026-02-27 01:52 – Updated: 2026-02-27 16:07
VLAI
Summary
Stack-based Buffer Overflow vulnerability in SimTech Systems, Inc. ThinkWise allows Remote Code Inclusion.This issue affects ThinkWise: from 7 through 23.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
Impacted products
Vendor Product Version
SimTech Systems, Inc. ThinkWise Affected: 7 , ≤ 23 (custom)
Create a notification for this product.
Show details on NVD website

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CVE-2026-24465 (GCVE-0-2026-24465)

Vulnerability from cvelistv5 – Published: 2026-02-03 06:57 – Updated: 2026-02-03 15:47
VLAI
Summary
Stack-based buffer overflow vulnerability exists in ELECOM wireless LAN access point devices. A crafted packet may lead to arbitrary code execution.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-121 - Stack-based buffer overflow
Assigner
Show details on NVD website

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CVE-2026-24085 (GCVE-0-2026-24085)

Vulnerability from cvelistv5 – Published: 2026-06-01 22:05 – Updated: 2026-06-02 12:13
VLAI
Title
Stack-based Buffer Overflow in Display
Summary
Memory Corruption when processing display command line information due to improper initialization of a variable.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
Impacted products
Vendor Product Version
Qualcomm, Inc. Snapdragon Affected: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
Create a notification for this product.
Show details on NVD website

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CVE-2026-23995 (GCVE-0-2026-23995)

Vulnerability from cvelistv5 – Published: 2026-03-26 14:36 – Updated: 2026-03-26 18:48
VLAI
Title
EVerest has stack buffer overflow in ifreq.ifr_name when interface name exceeds IFNAMSIZ
Summary
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SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
EVerest everest-core Affected: < 2026.02.0
Create a notification for this product.
Show details on NVD website

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CVE-2026-23747 (GCVE-0-2026-23747)

Vulnerability from cvelistv5 – Published: 2026-02-26 17:30 – Updated: 2026-07-14 15:53
VLAI
Title
Golioth Firmware SDK < 0.22.0 Payload Utils Stack-based Buffer Overflow
Summary
Golioth Firmware SDK version 0.10.0 prior to 0.22.0, fixed in commit 48f521b, contain a stack-based buffer overflow in Payload Utils. The golioth_payload_as_int() and golioth_payload_as_float() helpers copy network-supplied payload data into fixed-size stack buffers using memcpy() with a length derived from payload_size. The only length checks are guarded by assert(); in release builds, the asserts are compiled out and memcpy() may copy an unbounded payload_size. Payloads larger than 12 bytes (int) or 32 bytes (float) can overflow the stack, resulting in a crash/denial of service. This is reachable via LightDB State on_payload with a malicious server or MITM.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
Impacted products
Vendor Product Version
Golioth Firmware SDK Affected: 0.10.0 , < 0.22.0 (semver)
Unaffected: 48f521bcc0187ada2b9cbdad31dc380e6c7b7332 (git)
Create a notification for this product.
Credits
SecMate (https://secmate.dev)
Show details on NVD website

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CVE-2026-22923 (GCVE-0-2026-22923)

Vulnerability from cvelistv5 – Published: 2026-02-10 09:58 – Updated: 2026-03-10 16:07
VLAI
Summary
A vulnerability has been identified in NX (All versions < V2512), NX (Managed Mode) (All versions < V2512). The affected application contains a data validation vulnerability that could allow an attacker with local access to interfere with internal data during the PDF export process that could potentially lead to arbitrary code execution.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
Impacted products
Vendor Product Version
Siemens NX Affected: 0 , < V2512 (custom)
Create a notification for this product.
Siemens NX (Managed Mode) Affected: 0 , < V2512 (custom)
Create a notification for this product.
Show details on NVD website

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CVE-2026-22904 (GCVE-0-2026-22904)

Vulnerability from cvelistv5 – Published: 2026-02-09 07:40 – Updated: 2026-02-09 15:34
VLAI
Title
Stack Overflow via Oversized Cookie Fields in lighttpd
Summary
Improper length handling when parsing multiple cookie fields (including TRACKID) allows an unauthenticated remote attacker to send oversized cookie values and trigger a stack buffer overflow, resulting in a denial‑of‑service condition and possible remote code execution.
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
Diconium
Show details on NVD website

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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.