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).
5525 vulnerabilities reference this CWE, most recent first.
CVE-2026-48715 (GCVE-0-2026-48715)
Vulnerability from cvelistv5 – Published: 2026-06-19 19:18 – Updated: 2026-06-22 13:57
VLAI
EPSS
VEX
Title
radvdump's Route Information Option Parser has a Stack Buffer Overflow
Summary
radvd is a router advertisement daemon for IPv6. Prior to version 2.21, the `radvdump` utility shipped with radvd contains a stack buffer overflow in the Route Information option parser. When processing a crafted ICMPv6 Router Advertisement, `print_ff()` copies up to 2032 bytes from attacker-controlled packet data into a 16-byte `struct in6_addr` on the stack, overflowing by up to 2016 bytes. Note that the main `radvd` daemon is not affected by the vulnerability. Version 2.21 patches the issue.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-22 13:57 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/radvd-project/radvd/security/a… | x_refsource_CONFIRM |
| https://github.com/radvd-project/radvd/commit/068… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| radvd-project | radvdump |
Affected:
< 2.21
|
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CVE-2026-48417 (GCVE-0-2026-48417)
Vulnerability from cvelistv5 – Published: 2026-08-25 17:45 – Updated: 2026-08-27 22:32
VLAI
EPSS
VEX
Title
Substance3D - Sampler | Stack-based Buffer Overflow (CWE-121)
Summary
Substance3D - Sampler is affected by a Stack-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-25 00:00 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow (CWE-121)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/substan… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | Adobe Substance 3D Sampler |
Affected:
0 , ≤ 6.0.1
(semver)
Unaffected: 6.0.3 (semver) |
Date Public
2026-08-25 17:00
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CVE-2026-48389 (GCVE-0-2026-48389)
Vulnerability from cvelistv5 – Published: 2026-07-20 18:14 – Updated: 2026-08-27 22:37
VLAI
EPSS
VEX
Title
DNG SDK | Stack-based Buffer Overflow (CWE-121)
Summary
DNG SDK versions 1.7.1 2536 and earlier are affected by a Stack-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-22 00:00 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow (CWE-121)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/dng-sdk… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | Adobe DNG Software Development Kit (SDK) |
Affected:
0 , ≤ 1.7.1.2536
(custom)
Unaffected: 1.7.1.2611 (custom) |
Date Public
2026-06-09 17:00
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CVE-2026-47971 (GCVE-0-2026-47971)
Vulnerability from cvelistv5 – Published: 2026-07-14 19:58 – Updated: 2026-08-27 22:39
VLAI
EPSS
VEX
Title
Media Encoder | Stack-based Buffer Overflow (CWE-121)
Summary
Media Encoder is affected by a Stack-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-15 03:59 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow (CWE-121)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/media-e… | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | Adobe Media Encoder |
Affected:
0 , ≤ 26.2.2
(semver)
Unaffected: 26.3 (semver) |
|
| Adobe | Adobe Media Encoder |
Affected:
0 , ≤ 25.6.5
(semver)
Unaffected: 25.6.6 (semver) |
Date Public
2026-07-14 17:00
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CVE-2026-47959 (GCVE-0-2026-47959)
Vulnerability from cvelistv5 – Published: 2026-06-09 20:01 – Updated: 2026-08-27 22:37
VLAI
EPSS
VEX
Title
Acrobat Reader | Stack-based Buffer Overflow (CWE-121)
Summary
Acrobat Reader versions 24.001.30365, 26.001.21651 and earlier are affected by a Stack-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-10 03:59 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow (CWE-121)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/acrobat… | vendor-advisory |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | Acrobat DC |
Affected:
0 , ≤ 26.001.21651
(custom)
Unaffected: 26.001.21662 (custom) |
|
| Adobe | Acrobat Reader DC |
Affected:
0 , ≤ 26.001.21651
(custom)
Unaffected: 26.001.21662 (custom) |
|
| Adobe | Acrobat 2024 |
Affected:
0 , ≤ 24.001.30365
(custom)
Unaffected: 24.001.30383 (custom) |
Date Public
2026-06-09 17:00
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CVE-2026-47477 (GCVE-0-2026-47477)
Vulnerability from cvelistv5 – Published: 2026-07-14 19:45 – Updated: 2026-07-15 14:08
VLAI
EPSS
VEX
Summary
NVIDIA Triton Inference Server for Linux contains a vulnerability where an attacker can cause a stack-based buffer overflow. A successful exploit of this vulnerability might lead to denial of service.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-15 14:07 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| NVIDIA | Triton Inference Server |
Affected:
0.0 , ≤ 26.04
(custom)
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CVE-2026-47318 (GCVE-0-2026-47318)
Vulnerability from cvelistv5 – Published: 2026-06-04 09:43 – Updated: 2026-06-08 08:09
VLAI
EPSS
VEX
Summary
Stack-based buffer overflow vulnerability in Samsung Open Source rlottie allows Overflow Buffers.
This issue affects rlottie: before ce72b35a7ad0dded03051d3aa0ef75321c3bd035.
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-04 12:09 UTC
CWE
- CWE-121 - Stack-based buffer overflow
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Samsung Open Source | rlottie |
Unaffected:
ce72b35a7ad0dded03051d3aa0ef75321c3bd035
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CVE-2026-45809 (GCVE-0-2026-45809)
Vulnerability from cvelistv5 – Published: 2026-08-04 23:30 – Updated: 2026-08-05 13:57
VLAI
EPSS
VEX
Title
OpenSIPS: Denial of Service in watcherinfo XML generation from oversized watcher URI
Summary
OpenSIPS is a Session Initiation Protocol (SIP) server implementation. Versions prior to 3.6.6 and 4.0.0-rc1 contain a denial of service vulnerability in the watcherinfo generation functionality. An attacker can create an oversized watcher entry by sending a SUBSCRIBE Event: presence request with a long From URI, and then trigger presence.winfo watcherinfo XML generation for the same presentity. OpenSIPS copies the stored watcher URI into a fixed-size stack buffer, overflowing it and crashing the process. A remote attacker can crash an OpenSIPS worker in deployments that expose handle_subscribe() and allow watcherinfo (presence.winfo) generation. The issue is configuration-dependent because the presence and presence_xml modules must be loaded and SUBSCRIBE routing must be reachable. This issue has been fixed in versions 3.6.6 and 4.0.0-rc1.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-05 13:57 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/OpenSIPS/opensips/security/adv… | x_refsource_CONFIRM |
| https://github.com/OpenSIPS/opensips/commit/c5970… | x_refsource_MISC |
| https://github.com/OpenSIPS/opensips/commit/dd864… | x_refsource_MISC |
Impacted products
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CVE-2026-45798 (GCVE-0-2026-45798)
Vulnerability from cvelistv5 – Published: 2026-08-19 16:20 – Updated: 2026-08-19 17:20
VLAI
EPSS
VEX
Title
Wazuh: Pre-auth stack-buffer-overflow in compare_wazuh_versions reachable from wazuh-authd (TCP/1515) via crafted enrollment V: field
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. From 4.5.0 until 4.14.6 and 5.0.0-beta2, compare_wazuh_versions() in src/shared/version_op.c copies the attacker-controlled enrollment V: field into a 10-byte stack buffer with strncpy() but does not explicitly terminate the buffer. The function is reachable before authentication through wazuh-authd on TCP port 1515 when anonymous TLS enrollment is enabled. A version string of at least nine non-null bytes can cause strchr() and strtok() to read beyond ver2 and can make strtok() write a null byte into adjacent stack memory, allowing a remote denial of service. This issue is fixed in versions 4.14.6 and 5.0.0-beta2.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-19 17:17 UTC
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/wazuh/wazuh/security/advisorie… | x_refsource_CONFIRM |
| https://github.com/wazuh/wazuh/pull/36059 | x_refsource_MISC |
| https://github.com/wazuh/wazuh/commit/b6aac379982… | x_refsource_MISC |
| https://github.com/wazuh/wazuh/releases/tag/v4.14.6 | x_refsource_MISC |
| https://github.com/wazuh/wazuh/releases/tag/v5.0.… | x_refsource_MISC |
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CVE-2026-45648 (GCVE-0-2026-45648)
Vulnerability from cvelistv5 – Published: 2026-06-09 17:04 – Updated: 2026-08-25 22:43
VLAI
EPSS
VEX
Title
Windows Active Directory Domain Services Remote Code Execution Vulnerability
Summary
Stack-based buffer overflow in Active Directory Domain Services allows an authorized attacker to execute code over a network.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-05 00:00 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Windows Server 2022 |
Affected:
10.0.20348.0 , < 10.0.20348.5256
(custom)
|
|
| Microsoft | Windows Server 2025 |
Affected:
10.0.26100.0 , < 10.0.26100.32995
(custom)
|
|
| Microsoft | Windows Server 2025 (Server Core installation) |
Affected:
10.0.26100.0 , < 10.0.26100.32995
(custom)
|
Date Public
2026-06-09 14:00
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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.