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).

6108 vulnerabilities reference this CWE, most recent first.

CVE-2026-67248 (GCVE-0-2026-67248)

Vulnerability from cvelistv5 – Published: 2026-07-30 03:48 – Updated: 2026-08-04 07:32
VLAI
Title
A stack-based buffer overflow vulnerability was found in the File Explorer on the ADM
Summary
A stack-based buffer overflow vulnerability was found in the File Explorer on the ADM. The vulnerability occurs because user-controlled input is not properly validated before being decoded and copied into a fixed-size stack buffer. An authenticated attacker can exploit this issue to cause denial of service of the affected CGI process. Further impact may be possible depending on exploitability and runtime protections. Affected products and versions include: from ADM 4.1.0 through ADM 4.3.3.RUN1 as well as from ADM 5.0.0 through ADM 5.1.3.RI81.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-30 13:24 UTC
CWE
  • CWE-121 - Stack-based buffer overflow
Assigner
ASUSTOR1 CNA
CNA scorecard B 85/100 over 10 records in the last 180 days details
References
Impacted products
Vendor Product Version
ASUSTOR Inc. ADM Affected: 5.0.0 , ≤ 5.1.3.RI81 (custom)
Affected: 4.1.0 , ≤ 4.3.3.RUN1 (custom)
Create a notification for this product.
Date Public
2026-07-30 03:50
Show details on NVD website

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CVE-2026-67192 (GCVE-0-2026-67192)

Vulnerability from cvelistv5 – Published: 2026-07-29 15:51 – Updated: 2026-08-14 16:50
VLAI
Title
Xlight FTP Server < 3.9.5 Pre-Auth Stack Buffer Overflow via SSH GCM Cipher
Summary
Xlight FTP Server before 3.9.5 contains a pre-authentication stack buffer overflow vulnerability that allows unauthenticated attackers to corrupt stack memory by sending malformed SSH packets when a GCM cipher is negotiated. Attackers can craft packets with an unvalidated length field passed directly to the GCM decrypt function, overwriting the stack cookie and return address to potentially achieve remote code execution before any authentication occurs.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-29 19:15 UTC
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6657 records in the last 180 days details
References
Impacted products
Vendor Product Version
Xlight Xlight FTP Server Affected: 0 , < 3.9.5 (semver)
    cpe:2.3:a:xlightftpd:xlight_ftp_server:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-07-01 00:00
Show details on NVD website

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CVE-2026-66837 (GCVE-0-2026-66837)

Vulnerability from cvelistv5 – Published: 2026-10-02 12:29 – Updated: 2026-10-02 16:53
VLAI
Title
Apache Thrift: PHP accelerator sizes a stack buffer from a wire-controlled string length
Summary
Stack-based Buffer Overflow, Integer Overflow or Wraparound vulnerability in Apache Thrift php bindings. This issue affects Apache Thrift: before 0.25.0. Users are recommended to upgrade to version 0.25.0, which fixes the issue.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-02 16:52 UTC
CWE
  • CWE-121 - Stack-based Buffer Overflow
  • CWE-190 - Integer Overflow or Wraparound
Assigner
apache CNA under the mitre root
CNA scorecard B 76/100 over 1086 records in the last 180 days details
Impacted products
Vendor Product Version
Apache Software Foundation Apache Thrift Affected: 0 , < 0.25.0 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-66807 (GCVE-0-2026-66807)

Vulnerability from cvelistv5 – Published: 2026-08-11 17:07 – Updated: 2026-10-21 20:54
VLAI
Title
Microsoft Office Graphics Component Remote Code Execution Vulnerability
Summary
Stack-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-06 00:00 UTC
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
microsoft CNA under the mitre root
CNA scorecard B 82/100 over 3948 records in the last 180 days details
References
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Apps for Enterprise Affected: 16.0.1 , < https://aka.ms/OfficeSecurityReleases (custom)
Create a notification for this product.
Microsoft Microsoft Office 2019 Affected: 19.0.0 , < https://aka.ms/OfficeSecurityReleases (custom)
Create a notification for this product.
Microsoft Microsoft Office 365 for Mac Affected: 1.0.0 , < 16.112.26081010 (custom)
Create a notification for this product.
Microsoft Microsoft Office LTSC 2021 Affected: 16.0.1 , < https://aka.ms/OfficeSecurityReleases (custom)
Create a notification for this product.
Microsoft Microsoft Office LTSC 2024 Affected: 16.0.0 , < https://aka.ms/OfficeSecurityReleases (custom)
Create a notification for this product.
Microsoft Microsoft Office LTSC for Mac 2021 Affected: 16.0.1 , < 16.112.26081010 (custom)
Create a notification for this product.
Microsoft Microsoft Office LTSC for Mac 2024 Affected: 16.0.0 , < 16.112.26081010 (custom)
Create a notification for this product.
Date Public
2026-08-11 14:00
Show details on NVD website

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CVE-2026-66086 (GCVE-0-2026-66086)

Vulnerability from cvelistv5 – Published: 2026-10-12 01:28 – Updated: 2026-10-15 18:08
VLAI
Title
Stack-based Buffer Overflow in Modem
Summary
In the modem OTA stack, there is a possible stack-based buffer overflow due to improper validation of scheduling information in SIB1 messages. This could lead to remote code execution or denial of service with no additional execution privileges needed.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-15 18:01 UTC
CWE
Assigner
Unisoc CNA under the mitre root
CNA scorecard D 52/100 over 18 records in the last 180 days details
Impacted products
Vendor Product Version
Unisoc (Shanghai) Technologies Co., Ltd. Modem Affected: T8100
Affected: T9100
Affected: UDX710
Create a notification for this product.
Show details on NVD website

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CVE-2026-65148 (GCVE-0-2026-65148)

Vulnerability from cvelistv5 – Published: 2026-10-13 12:32 – Updated: 2026-10-13 14:39
VLAI
Summary
NVIDIA DALI contains a vulnerability where an attacker could cause a stack-based buffer overflow. A successful exploit of this vulnerability might lead to code execution, information disclosure, data tampering, and denial of service.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 14:26 UTC
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
nvidia CNA under the mitre root
CNA scorecard C 65/100 over 326 records in the last 180 days details
Impacted products
Vendor Product Version
NVIDIA DALI Affected: 0.0-2.2
Create a notification for this product.
Show details on NVD website

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CVE-2026-64919 (GCVE-0-2026-64919)

Vulnerability from cvelistv5 – Published: 2026-08-11 17:06 – Updated: 2026-10-21 20:54
VLAI
Title
Microsoft Access Remote Code Execution Vulnerability
Summary
Stack-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code locally.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-07 00:00 UTC
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
microsoft CNA under the mitre root
CNA scorecard B 82/100 over 3948 records in the last 180 days details
References
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Apps for Enterprise Affected: 16.0.1 , < https://aka.ms/OfficeSecurityReleases (custom)
Create a notification for this product.
Microsoft Microsoft Access 2016 Affected: 16.0.0 , < 16.0.5565.1000 (custom)
Create a notification for this product.
Microsoft Microsoft Access 2016 (32-bit edition) Affected: 16.0.0 , < 16.0.5565.1000 (custom)
Create a notification for this product.
Microsoft Microsoft Office 2019 Affected: 19.0.0 , < https://aka.ms/OfficeSecurityReleases (custom)
Create a notification for this product.
Microsoft Microsoft Office LTSC 2021 Affected: 16.0.1 , < https://aka.ms/OfficeSecurityReleases (custom)
Create a notification for this product.
Microsoft Microsoft Office LTSC 2024 Affected: 16.0.0 , < https://aka.ms/OfficeSecurityReleases (custom)
Create a notification for this product.
Date Public
2026-08-11 14:00
Show details on NVD website

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CVE-2026-64912 (GCVE-0-2026-64912)

Vulnerability from cvelistv5 – Published: 2026-08-11 17:06 – Updated: 2026-10-21 20:54
VLAI
Title
Microsoft Access Remote Code Execution Vulnerability
Summary
Stack-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code locally.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-07 00:00 UTC
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
microsoft CNA under the mitre root
CNA scorecard B 82/100 over 3948 records in the last 180 days details
References
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Apps for Enterprise Affected: 16.0.1 , < https://aka.ms/OfficeSecurityReleases (custom)
Create a notification for this product.
Microsoft Microsoft Access 2016 Affected: 16.0.0 , < 16.0.5565.1000 (custom)
Create a notification for this product.
Microsoft Microsoft Access 2016 (32-bit edition) Affected: 16.0.0 , < 16.0.5565.1000 (custom)
Create a notification for this product.
Microsoft Microsoft Office 2019 Affected: 19.0.0 , < https://aka.ms/OfficeSecurityReleases (custom)
Create a notification for this product.
Microsoft Microsoft Office LTSC 2021 Affected: 16.0.1 , < https://aka.ms/OfficeSecurityReleases (custom)
Create a notification for this product.
Microsoft Microsoft Office LTSC 2024 Affected: 16.0.0 , < https://aka.ms/OfficeSecurityReleases (custom)
Create a notification for this product.
Date Public
2026-08-11 14:00
Show details on NVD website

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CVE-2026-64907 (GCVE-0-2026-64907)

Vulnerability from cvelistv5 – Published: 2026-08-11 17:06 – Updated: 2026-10-21 20:54
VLAI
Title
Microsoft Office Word Remote Code Execution Vulnerability
Summary
Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-07 00:00 UTC
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
microsoft CNA under the mitre root
CNA scorecard B 82/100 over 3948 records in the last 180 days details
References
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Apps for Enterprise Affected: 16.0.1 , < https://aka.ms/OfficeSecurityReleases (custom)
Create a notification for this product.
Microsoft Microsoft Office 2019 Affected: 19.0.0 , < https://aka.ms/OfficeSecurityReleases (custom)
Create a notification for this product.
Microsoft Microsoft Office 365 for Mac Affected: 1.0.0 , < 16.112.26081010 (custom)
Create a notification for this product.
Microsoft Microsoft Office LTSC 2021 Affected: 16.0.1 , < https://aka.ms/OfficeSecurityReleases (custom)
Create a notification for this product.
Microsoft Microsoft Office LTSC 2024 Affected: 16.0.0 , < https://aka.ms/OfficeSecurityReleases (custom)
Create a notification for this product.
Microsoft Microsoft Office LTSC for Mac 2021 Affected: 16.0.1 , < 16.112.26081010 (custom)
Create a notification for this product.
Microsoft Microsoft Office LTSC for Mac 2024 Affected: 16.0.0 , < 16.112.26081010 (custom)
Create a notification for this product.
Microsoft Microsoft Word 2016 Affected: 16.0.1 , < 16.0.5565.1000 (custom)
Create a notification for this product.
Date Public
2026-08-11 14:00
Show details on NVD website

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CVE-2026-64831 (GCVE-0-2026-64831)

Vulnerability from cvelistv5 – Published: 2026-07-22 16:35 – Updated: 2026-07-28 01:06 X_Open Source
VLAI
Title
FFmpeg 8.0 - 8.1.2 Stack Buffer Overflow in Vulkan HEVC Decoder
Summary
FFmpeg versions 8.0 through 8.1.2 contains a stack buffer overflow vulnerability in the Vulkan HEVC hardware decoder that allows remote attackers to overwrite return addresses and adjacent stack frames by supplying a crafted HEVC/H.265 bitstream. Attackers can embed a malicious vps_num_hrd_parameters value exceeding HEVC_MAX_SUB_LAYERS in any supported container format to overflow stack-allocated arrays in the vk_hevc_end_frame function, potentially achieving arbitrary code execution.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-23 13:45 UTC
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6657 records in the last 180 days details
Impacted products
Vendor Product Version
FFmpeg FFmpeg Affected: 8.0 , ≤ 8.1.2 (custom)
Affected: 92737390dc133daadce47dd7d2ec8ef3d9ebcbed (git)
    cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*
    cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-07-05 00:00
Show details on NVD website

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            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "PASSIVE",
            "valueDensity": "NOT_DEFINED",
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            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
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          "scenarios": [
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              "value": "GENERAL"
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          "cvssV3_1": {
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            "attackVector": "NETWORK",
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          "tags": [
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          "url": "https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/23665"
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          "name": "Patch Commit",
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      "source": {
        "discovery": "UNKNOWN"
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      "tags": [
        "x_open-source"
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      "title": "FFmpeg 8.0 - 8.1.2 Stack Buffer Overflow in Vulkan HEVC Decoder",
      "x_generator": {
        "engine": "vulncheck"
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    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-64831",
    "datePublished": "2026-07-22T16:35:43.775Z",
    "dateReserved": "2026-07-20T18:27:48.161Z",
    "dateUpdated": "2026-07-28T01:06:02.677Z",
    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
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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.