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).
3363 vulnerabilities reference this CWE, most recent first.
CVE-2026-96264 (GCVE-0-2026-96264)
Vulnerability from cvelistv5 – Published: 2026-10-12 20:52 – Updated: 2026-10-13 11:57
VLAI
EPSS
VEX
Title
IBM Power Systems Firmware Buffer Overflow
Summary
IBM Power Systems Firmware FW1060.00 through FW1060.81 is affected by a vulnerability in the service processor mailbox interface. An attacker with authenticated service-level access to the FSP can send a specially crafted mailbox message to overflow host firmware runtime attribute storage, allowing arbitrary code to be executed in the host firmware runtime. This gives the attacker full access to the managed system's memory and hardware interfaces, resulting in a confidentiality, integrity, and availability impact to the managed system.
Severity
8.2 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 03:55 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
ibm
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://www.ibm.com/support/pages/node/7290126 | vendor-advisorypatch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| IBM | PowerVM Hypervisor |
Affected:
FW1060.00 , ≤ FW1060.81
(semver)
cpe:2.3:a:ibm:powervm_hypervisor:fw1060.00:*:*:*:*:*:*:* cpe:2.3:a:ibm:powervm_hypervisor:fw1060.00.0:*:*:*:*:*:*:* cpe:2.3:a:ibm:powervm_hypervisor:fw1060.81:*:*:*:*:*:*:* cpe:2.3:a:ibm:powervm_hypervisor:fw1060.81.0:*:*:*:*:*:*:* |
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CVE-2026-96263 (GCVE-0-2026-96263)
Vulnerability from cvelistv5 – Published: 2026-10-12 20:52 – Updated: 2026-10-13 11:57
VLAI
EPSS
VEX
Title
IBM Power Systems Firmware Buffer Overflow
Summary
IBM Power Systems Firmware FW1120.00 through FW1120.01, FW1110.00 through FW1110.31, and FW1060.00 through FW1060.81 is affected by a vulnerability in the host firmware boot process image validation path. An attacker with service access to the service processor can supply a maliciously crafted code update image, allowing arbitrary code to be executed on the host system. Successful exploitation could result in a confidentiality, integrity, and availability impact to the affected host system.
Severity
8.2 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 03:55 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
ibm
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://www.ibm.com/support/pages/node/7290129 | vendor-advisorypatch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| IBM | PowerVM Hypervisor |
Affected:
FW1120.00 , ≤ FW1120.01
(semver)
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CVE-2026-96262 (GCVE-0-2026-96262)
Vulnerability from cvelistv5 – Published: 2026-10-12 20:52 – Updated: 2026-10-13 11:57
VLAI
EPSS
VEX
Title
IBM Power Systems Firmware Buffer Overflow
Summary
IBM Power Systems Firmware FW1060.00 through FW1060.81 is affected by a vulnerability in the service processor mailbox interface. An attacker with authenticated service-level access to the FSP can send a specially crafted mailbox message to overflow host firmware runtime attribute storage, allowing arbitrary code to be executed in the host firmware runtime. This gives the attacker full access to the managed system's memory and hardware interfaces, resulting in a confidentiality, integrity, and availability impact to the managed system.
Severity
8.2 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 03:55 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
ibm
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://www.ibm.com/support/pages/node/7290125 | vendor-advisorypatch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| IBM | PowerVM Hypervisor |
Affected:
FW1060.00 , ≤ FW1060.81
(semver)
cpe:2.3:a:ibm:powervm_hypervisor:fw1060.00:*:*:*:*:*:*:* cpe:2.3:a:ibm:powervm_hypervisor:fw1060.00.0:*:*:*:*:*:*:* cpe:2.3:a:ibm:powervm_hypervisor:fw1060.81:*:*:*:*:*:*:* cpe:2.3:a:ibm:powervm_hypervisor:fw1060.81.0:*:*:*:*:*:*:* |
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CVE-2026-96261 (GCVE-0-2026-96261)
Vulnerability from cvelistv5 – Published: 2026-10-12 20:52 – Updated: 2026-10-12 22:53
VLAI
EPSS
VEX
Title
IBM Power Systems Firmware Buffer Overflow
Summary
IBM Power Systems Firmware FW1060.00 through FW1060.81 is affected by a vulnerability in host firmware configuration parsing. An attacker with authenticated service-level access to the service processor can write specially crafted configuration data, causing the host firmware boot stack to crash with possible memory corruption during system initialisation, resulting in an integrity and availability impact to the managed system.
Severity
7.3 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-12 22:42 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
ibm
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://www.ibm.com/support/pages/node/7290127 | vendor-advisorypatch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| IBM | PowerVM Hypervisor |
Affected:
FW1060.00 , ≤ FW1060.81
(semver)
cpe:2.3:a:ibm:powervm_hypervisor:fw1060.00:*:*:*:*:*:*:* cpe:2.3:a:ibm:powervm_hypervisor:fw1060.00.0:*:*:*:*:*:*:* cpe:2.3:a:ibm:powervm_hypervisor:fw1060.81:*:*:*:*:*:*:* cpe:2.3:a:ibm:powervm_hypervisor:fw1060.81.0:*:*:*:*:*:*:* |
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CVE-2026-96257 (GCVE-0-2026-96257)
Vulnerability from cvelistv5 – Published: 2026-09-23 03:00 – Updated: 2026-09-23 14:07
VLAI
EPSS
VEX
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
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-23 14:06 UTC
Assigner
VulDB
CNA
References
5 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
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Fast | FAC1203R Gigabit Edition |
Affected:
2.0.4
cpe:2.3:a:fast:fac1203r_gigabit_edition:*:*:*:*:*:*:*:* |
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CVE-2026-96248 (GCVE-0-2026-96248)
Vulnerability from cvelistv5 – Published: 2026-10-13 19:00 – Updated: 2026-10-31 18:06
VLAI
EPSS
VEX
Title
Windows Host Guardian Service Denial of Service Vulnerability
Summary
Stack-based buffer overflow in Windows Host Guardian Service allows an unauthorized attacker to deny service over a network.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 19:45 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
microsoft
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
9 products
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Windows 10 Version 1607 |
Affected:
10.0.14393.0 , < 10.0.14393.9612
(custom)
|
|
| Microsoft | Windows 10 Version 1809 |
Affected:
10.0.17763.0 , < 10.0.17763.9376
(custom)
|
|
| Microsoft | Windows Server 2016 |
Affected:
10.0.14393.0 , < 10.0.14393.9612
(custom)
|
|
| Microsoft | Windows Server 2016 (Server Core installation) |
Affected:
10.0.14393.0 , < 10.0.14393.9612
(custom)
|
|
| Microsoft | Windows Server 2019 |
Affected:
10.0.17763.0 , < 10.0.17763.9376
(custom)
|
|
| Microsoft | Windows Server 2019 (Server Core installation) |
Affected:
10.0.17763.0 , < 10.0.17763.9376
(custom)
|
|
| Microsoft | Windows Server 2022 |
Affected:
10.0.20348.0 , < 10.0.20348.5761
(custom)
|
|
| Microsoft | Windows Server 2025 |
Affected:
10.0.26100.0 , < 10.0.26100.33650
(custom)
|
|
| Microsoft | Windows Server 2025 (Server Core installation) |
Affected:
10.0.26100.0 , < 10.0.26100.33650
(custom)
|
Date Public
2026-10-13 14:00
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CVE-2026-96185 (GCVE-0-2026-96185)
Vulnerability from cvelistv5 – Published: 2026-10-22 21:44 – Updated: 2026-10-31 18:00 Exclusively Hosted Service
VLAI
EPSS
VEX
Title
Microsoft Exchange Online Remote Code Execution Vulnerability
Summary
Stack-based buffer overflow in Microsoft Exchange Online 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 2026-10-23 00:00 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
microsoft
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Microsoft Exchange Online |
Affected:
-
cpe:2.3:a:microsoft:exchange_online:*:*:*:*:*:*:*:* |
Date Public
2026-10-22 14:00
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CVE-2026-95867 (GCVE-0-2026-95867)
Vulnerability from cvelistv5 – Published: 2026-11-08 19:44 – Updated: 2026-11-09 01:21
VLAI
EPSS
VEX
Title
Multiple vulnerabilities previously addressed in IBM SevOne Network Performance Management
Summary
IBM SevOne Network Performance Management 7.0.0 through 8.2.2 could allow a local attacker to execute arbitrary code due to a buffer overflow.
Severity
6.7 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-09 01:20 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
ibm
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://www.ibm.com/support/pages/node/7289655 | vendor-advisorypatch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| IBM | SevOne Network Performance Management |
Affected:
7.0.0 , ≤ 8.2.2
(semver)
cpe:2.3:a:ibm:sevone_network_performance_management:7.0.0:*:*:*:*:*:*:* cpe:2.3:a:ibm:sevone_network_performance_management:8.2.2:*:*:*:*:*:*:* |
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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
EPSS
VEX
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
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
glibc
CNA
References
2 references
| URL | Tags |
|---|---|
| https://sourceware.org/bugzilla/show_bug.cgi?id=34360 | issue-tracking |
| https://sourceware.org/git/?p=glibc.git;a=blob_pl… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The GNU C Library | glibc |
Affected:
2.14 , < 2.45
(custom)
|
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CVE-2026-95104 (GCVE-0-2026-95104)
Vulnerability from cvelistv5 – Published: 2026-09-28 08:14 – Updated: 2026-09-30 13:45
VLAI
EPSS
VEX
Summary
Stack-based buffer overflow vulnerability exists in BUFFALO Wi-Fi products. A non-authenticated crafted HTTP request may cause a denial-of-service (DoS) condition.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 13:45 UTC
CWE
- CWE-121 - Stack-based buffer overflow
Assigner
jpcert
CNA
References
2 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| BUFFALO INC. | WSR-300HP |
Affected:
0 , < Ver.2.55
(semver)
|
|
| BUFFALO INC. | WEX-G300 |
Affected:
0 , < Ver.1.71
(semver)
|
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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.