Common Weakness Enumeration
CWE-121
AllowedStack-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).
5213 vulnerabilities reference this CWE, most recent first.
CVE-2025-66043 (GCVE-0-2025-66043)
Vulnerability from cvelistv5 – Published: 2025-12-11 16:43 – Updated: 2025-12-11 19:36
VLAI
EPSS
VEX
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)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The Biosig Project | libbiosig |
Affected:
3.9.1
|
Credits
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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
EPSS
VEX
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
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-121 - - Stack-based Buffer Overflow
Assigner
References
1 reference
Impacted products
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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
EPSS
VEX
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)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/OISF/suricata/security/advisor… | x_refsource_CONFIRM |
| https://github.com/OISF/suricata/commit/e13fe6a90… | x_refsource_MISC |
Impacted products
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CVE-2025-64333 (GCVE-0-2025-64333)
Vulnerability from cvelistv5 – Published: 2025-11-26 22:57 – Updated: 2025-11-28 16:29
VLAI
EPSS
VEX
Title
Suricata is vulnerable to a stack overflow from big content-type
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, a large HTTP content type, when logged can cause a stack overflow crashing Suricata. This issue has been patched in versions 7.0.13 and 8.0.2. A workaround for this issue involves limiting stream.reassembly.depth to less then half the stack size. Increasing the process stack size makes it less likely the bug will trigger.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/OISF/suricata/security/advisor… | x_refsource_CONFIRM |
Impacted products
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CVE-2025-64332 (GCVE-0-2025-64332)
Vulnerability from cvelistv5 – Published: 2025-11-26 22:59 – Updated: 2025-11-28 16:26
VLAI
EPSS
VEX
Title
Suricata is vulnerable to a stack overflow on larger compressed data
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, a stack overflow that causes Suricata to crash can occur if SWF decompression is enabled. This issue has been patched in versions 7.0.13 and 8.0.2. A workaround for this issue involves disabling SWF decompression (swf-decompression in suricata.yaml), it is disabled by default; set decompress-depth to lower than half your stack size if swf-decompression must be enabled.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/OISF/suricata/security/advisor… | x_refsource_CONFIRM |
| https://github.com/OISF/suricata/commit/ad446c900… | x_refsource_MISC |
Impacted products
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CVE-2025-64331 (GCVE-0-2025-64331)
Vulnerability from cvelistv5 – Published: 2025-11-26 23:00 – Updated: 2025-11-28 15:38
VLAI
EPSS
VEX
Title
Suricata is vulnerable to a stack overflow on large file transfers with http-body-printable
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, a stack overflow can occur on large HTTP file transfers if the user has increased the HTTP response body limit and enabled the logging of printable http bodies. This issue has been patched in versions 7.0.13 and 8.0.2. A workaround for this issue involves using default HTTP response body limits and/or disabling http-body-printable logging; body logging is disabled by default.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/OISF/suricata/security/advisor… | x_refsource_CONFIRM |
Impacted products
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CVE-2025-64096 (GCVE-0-2025-64096)
Vulnerability from cvelistv5 – Published: 2025-10-30 17:09 – Updated: 2026-01-09 22:54
VLAI
EPSS
VEX
Title
CryptoLib vulnerable to Stack Buffer Overflow in Crypto_Key_Update due to missing TLV length check
Summary
CryptoLib provides a software-only solution using the CCSDS Space Data Link Security Protocol - Extended Procedures (SDLS-EP) to secure communications between a spacecraft running the core Flight System (cFS) and a ground station. Prior to 1.4.2, there is a missing bounds check in Crypto_Key_update() (crypto_key_mgmt.c) which allows a remote attacker to trigger a stack-based buffer overflow by supplying a TLV packet with a spoofed length field. The function calculates the number of keys from an attacker-controlled field (pdu_len), which may exceed the static array size (kblk[98]), leading to an out-of-bounds write and potential memory corruption. This vulnerability is fixed in 1.4.2.
Severity
8.8 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
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CVE-2025-62858 (GCVE-0-2025-62858)
Vulnerability from cvelistv5 – Published: 2026-06-09 06:17 – Updated: 2026-06-09 13:11
VLAI
EPSS
VEX
Title
QTS, QuTS hero
Summary
A buffer overflow 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 modify memory or crash processes.
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
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| QNAP Systems Inc. | QTS |
Affected:
5.2.0 , < 5.2.9.3410 build 20260214
(custom)
|
|
| 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) |
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CVE-2025-62852 (GCVE-0-2025-62852)
Vulnerability from cvelistv5 – Published: 2026-01-02 15:19 – Updated: 2026-01-05 20:38
VLAI
EPSS
VEX
Title
QTS, QuTS hero
Summary
A buffer overflow 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 modify memory or crash processes.
We have already fixed the vulnerability in the following version:
QTS 5.2.8.3332 build 20251128 and later
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| QNAP Systems Inc. | QTS |
Affected:
5.2.x , < 5.2.8.3332 build 20251128
(custom)
|
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CVE-2025-62691 (GCVE-0-2025-62691)
Vulnerability from cvelistv5 – Published: 2025-11-25 07:21 – Updated: 2025-11-25 20:17
VLAI
EPSS
VEX
Summary
Security Point (Windows) of MaLion and MaLionCloud contains a stack-based buffer overflow vulnerability in processing HTTP headers. Receiving a specially crafted request from a remote unauthenticated attacker could lead to arbitrary code execution with SYSTEM privilege.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-121 - Stack-based buffer overflow
Assigner
References
2 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Intercom, Inc. | Security Point (Windows) of MaLion |
Affected:
prior to Ver.7.1.1.9
|
|
| Intercom, Inc. | Security Point (Windows) of MaLionCloud |
Affected:
prior to Ver.7.2.0.1
|
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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.