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).

5725 vulnerabilities reference this CWE, most recent first.

CVE-2026-96257 (GCVE-0-2026-96257)

Vulnerability from cvelistv5 – Published: 2026-09-23 03:00 – Updated: 2026-09-23 14:07
VLAI
Title
Fast FAC1203R Gigabit Edition Device Discovery Service copy_msg_element stack-based overflow
Summary
A flaw has been found in Fast FAC1203R Gigabit Edition 2.0.4. Affected by this issue is the function copy_msg_element of the component Device Discovery Service. Executing a manipulation can lead to stack-based buffer overflow. The attack can be executed remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
10 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
10 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
10 (Critical)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-23 14:06 UTC
CWE
Assigner
References
URL Tags
https://vuldb.com/vuln/408707 vdb-entrytechnical-description
https://vuldb.com/vuln/408707/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-96257 third-party-advisory
https://vuldb.com/submit/901889 third-party-advisory
https://github.com/xiaobor123/vuls-find-VxWorks/t… exploit
Impacted products
Vendor Product Version
Fast FAC1203R Gigabit Edition Affected: 2.0.4
    cpe:2.3:a:fast:fac1203r_gigabit_edition:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
xiaobor123 (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

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CVE-2026-95818 (GCVE-0-2026-95818)

Vulnerability from cvelistv5 – Published: 2026-09-22 16:50 – Updated: 2026-09-22 18:21
VLAI
Title
AT_SECURE program buffer overflow via $ORIGIN processing
Summary
A stack-based buffer overflow in the dynamic loader (ld.so) of the GNU C Library (glibc) versions 2.14 through 2.44 allows a local attacker to crash or corrupt the memory of setuid/setgid (AT_SECURE) programs. When such a program's DT_RPATH or DT_RUNPATH begins with $ORIGIN and is followed by NUL or '/' the loader both reads past the end of the path buffer and writes past the end of a stack-allocated internal buffer. The corrupted loader stack can lead to a loader crash (denial of service) and limited disclosure of process memory.
Severity
3.6 (Low)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-22 18:21 UTC
CWE
  • CWE-121 - Stack-based buffer overflow
Assigner
References
Impacted products
Vendor Product Version
The GNU C Library glibc Affected: 2.14 , < 2.45 (custom)
Create a notification for this product.
Credits
AISLE in partnership with Red Hat
Show details on NVD website
To clipboard 

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CVE-2026-94184 (GCVE-0-2026-94184)

Vulnerability from cvelistv5 – Published: 2026-09-21 14:17 – Updated: 2026-09-23 03:09
VLAI
Title
Fetchmail: fetchmail: stack-based buffer overflow in ntlm authentication (fetchmail-sa-2026-01)
Summary
A stack-based buffer overflow flaw was found in fetchmail when built with NTLM support. A malicious or compromised mail server advertising NTLM authentication can send a crafted Type 2 challenge that causes fetchmail to write past a fixed stack buffer while building the NTLM authenticate response. This may lead to remote code execution depending on stack-frame layout, or to authentication failure or process termination under memory hardening. Affects v5.0.8 through v6.6.6.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-21 00:00 UTC
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Date Public
2026-06-27 00:00
Credits
Upstream acknowledges Tristan Madani as the original reporter.
Show details on NVD website
To clipboard 

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CVE-2026-94089 (GCVE-0-2026-94089)

Vulnerability from cvelistv5 – Published: 2026-09-20 20:45 – Updated: 2026-09-22 15:42
VLAI
Title
D-Link DIR-868L Authentication webfa_authentication.cgi strcpy stack-based overflow
Summary
A vulnerability was determined in D-Link DIR-868L 2.01b05. This issue affects the function strcpy of the file /webfa_authentication.cgi of the component Authentication Handler. Executing a manipulation of the argument id/password can lead to stack-based buffer overflow. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized.
Severity
10 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
10 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
10 (Critical)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-22 15:36 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
D-Link DIR-868L Affected: 2.01b05
    cpe:2.3:h:d-link:dir-868l:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
Walnut1337 (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-94003 (GCVE-0-2026-94003)

Vulnerability from cvelistv5 – Published: 2026-09-20 11:30 – Updated: 2026-09-20 11:30
VLAI
Title
Comfast CF-N1-S Web Management mbox-config get_css_path_from_uri stack-based overflow
Summary
A vulnerability has been found in Comfast CF-N1-S 2.6.0.1. Impacted is the function get_css_path_from_uri of the file /cgi-bin/mbox-config of the component Web Management Interface. The manipulation leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
Severity
10 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
10 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
10 (Critical)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
CWE
Assigner
References
URL Tags
https://vuldb.com/vuln/407952 vdb-entrytechnical-description
https://vuldb.com/vuln/407952/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-94003 third-party-advisory
https://vuldb.com/submit/944859 third-party-advisory
https://github.com/AdminSafe/CVE/issues/12 exploitissue-tracking
Impacted products
Vendor Product Version
Comfast CF-N1-S Affected: 2.6.0.1
    cpe:2.3:a:comfast:cf-n1-s:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
010hex (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-93433 (GCVE-0-2026-93433)

Vulnerability from cvelistv5 – Published: 2026-09-21 20:10 – Updated: 2026-09-21 20:44
VLAI
Title
Libstoragemgmt: libstoragemgmt: denial of service via stack buffer overflow in scsi vpd page parsing
Summary
A flaw was found in libstoragemgmt. An attacker with control over a local or virtual storage device could provide specially crafted SCSI (Small Computer System Interface) Vital Product Data (VPD) page 0x80 data. This malformed data, specifically an untrusted page length field, can lead to a stack buffer overflow in the `_sg_parse_vpd_80()` function during serial number parsing. Successful exploitation could result in a denial of service by crashing or destabilizing the process querying the serial number.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
URL Tags
https://access.redhat.com/security/cve/CVE-2026-93433 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2465818 issue-trackingx_refsource_REDHAT
Impacted products
Date Public
2026-09-21 18:08
Credits
This issue was discovered by Found by AISLE in partnership with Red Hat.
Show details on NVD website
To clipboard 

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CVE-2026-91843 (GCVE-0-2026-91843)

Vulnerability from cvelistv5 – Published: 2026-09-16 13:03 – Updated: 2026-09-17 11:39
VLAI
Title
Stack overflow in login process to the Security Management and Log Servers
Summary
A stack overflow during the unauthenticated login process may allow an attacker to run arbitrary code remotely with root privileges.
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: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-17 03:56 UTC
CWE
  • CWE-121 - Stack-based Buffer Overflow.
Assigner
References
Impacted products
Vendor Product Version
checkpoint Quantum Security Management Affected: R82.10 with Jumbo Hotfix Take 44 or below
Affected: R82 with Jumbo Hotfix Take 126 or below
Affected: R81.20 with Jumbo Hotfix Take 166 or below
Affected: R81.10 (EOS) with Jumbo Hotfix Take 190 or below
Affected: R81 (EOS)
Affected: R80.40 (EOS)
Affected: R80.30 (EOS)
Affected: R80.20 (EOS)
Affected: R80.10 (EOS)
Affected: R80 (EOS)
Create a notification for this product.
Show details on NVD website
To clipboard 

{
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CVE-2026-91826 (GCVE-0-2026-91826)

Vulnerability from cvelistv5 – Published: 2026-09-15 08:49 – Updated: 2026-09-15 13:32
VLAI
Summary
Stack-based buffer overflow vulnerability in Samsung Opensource rLottie allows attackers to overflow buffers, leading to memory corruption when rendering crafted vector animations. This issue affects rLottie: 480a2ad0c5d2e45458c545b8213279e9e8b71e39.
Severity
4.4 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 13:32 UTC
CWE
  • CWE-121 - Stack-based buffer overflow
Assigner
References
Impacted products
Vendor Product Version
Samsung Opensource rLottie Affected: 480a2ad0c5d2e45458c545b8213279e9e8b71e39
Create a notification for this product.
Credits
Anonymous working with TrendAI Zero Day Initiative
Show details on NVD website
To clipboard 

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CVE-2026-91090 (GCVE-0-2026-91090)

Vulnerability from cvelistv5 – Published: 2026-09-15 07:30 – Updated: 2026-09-17 13:59 X_Open Source
VLAI
Title
GPAC base_scenegraph.c gf_node_activate_ex stack-based overflow
Summary
A vulnerability was determined in GPAC up to f1219cde. The affected element is the function gf_node_activate_ex of the file scenegraph/base_scenegraph.c. This manipulation causes stack-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. Upgrading to version abi-16.23 is sufficient to fix this issue. Patch name: 9eb40df4448b88d6a6ce3454657c06f47eff0b24. The affected component should be upgraded.
Severity
2.4 (Low)
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
3.9 (Low)
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L/E:P/RL:O/RC:C
3.9 (Low)
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L/E:P/RL:O/RC:C
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-17 13:59 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a GPAC Affected: f1219cde
Unaffected: abi-16.23
    cpe:2.3:a:gpac:gpac:*:*:*:*:*:*:*:*
Credits
wsstssw (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-91003 (GCVE-0-2026-91003)

Vulnerability from cvelistv5 – Published: 2026-09-15 05:45 – Updated: 2026-09-15 14:05
VLAI
Title
D-Link DI-8300 CGI Service rzgl.asp rzgl_asp stack-based overflow
Summary
A flaw has been found in D-Link DI-8300 16.07. The affected element is the function rzgl_asp of the file /rzgl.asp of the component CGI Service. This manipulation of the argument redirct_url causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been published and may be used.
Severity
9.4 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
9.1 (Critical)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
9.1 (Critical)
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 14:05 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
D-Link DI-8300 Affected: 16.07
    cpe:2.3:h:d-link:di-8300:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
Xray (VulDB User)
Show details on NVD website
To clipboard 

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            "third-party-advisory"
          ],
          "url": "https://vuldb.com/cve/CVE-2026-91003"
        },
        {
          "name": "Submit #932002 | D-Link DI-8300 16.07 Buffer Overflow",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/932002"
        },
        {
          "tags": [
            "related"
          ],
          "url": "https://github.com/Vivi-Xray/Xray-s-cve-/blob/main/rzgl/rzgl_asp.md"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://github.com/Vivi-Xray/Xray-s-cve-/blob/main/rzgl/rzgl_asp.py"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://www.dlink.com/"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-09-14T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-09-14T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-09-14T17:52:30.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "D-Link DI-8300 CGI Service rzgl.asp rzgl_asp stack-based overflow",
      "x_generator": [
        "VulDB PVTS v202609"
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-91003",
    "datePublished": "2026-09-15T05:45:16.561Z",
    "dateReserved": "2026-09-14T15:47:25.367Z",
    "dateUpdated": "2026-09-15T14:05:24.781Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}
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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