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-2026-94502 (GCVE-0-2026-94502)
Vulnerability from cvelistv5 – Published: 2026-10-22 13:45 – Updated: 2026-10-23 10:56
VLAI
EPSS
VEX
Title
Out-of-bounds write in Zigbee Publish Price Matrix handling
Summary
In EmberZNet 9.1.1 and earlier, a malformed Publish Price Matrix command can result in an out-of-bounds write potentially leading to remote code execution. These messages must come from a device that has already joined the network. Only devices supporting the Price Cluster are impacted.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-23 10:48 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
Silabs
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/SiliconLabsSoftware/docs-secur… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Silicon Labs | EmberZNet |
Affected:
0 , ≤ 9.1.1
(semver)
|
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CVE-2026-94395 (GCVE-0-2026-94395)
Vulnerability from cvelistv5 – Published: 2026-11-05 18:12 – Updated: 2026-11-05 19:08
VLAI
EPSS
VEX
Title
Stack-based buffer overflow in SafeNet Authentication Client SIS token engine
Summary
A stack-based buffer overflow in Thales SafeNet Authentication Client (SAC) SIS token engine processing can be triggered by a malicious physical or software-emulated smart card. The issue can occur before authentication or PIN entry and may
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Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-05 19:08 UTC
CWE
Assigner
THA-PSIRT
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://supportportal.thalesgroup.com/csm?id=kb_a… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Thalesgroup | Safenet Authentication Client SIS token engine |
Affected:
10.8 R7 , ≤ 10.9 R3 (build 10.9.7449)
(custom)
cpe:2.3:a:thalesgroup:safenet_authentication_client_sis_token_engine:*:*:windows:*:*:*:*:* |
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CVE-2026-94184 (GCVE-0-2026-94184)
Vulnerability from cvelistv5 – Published: 2026-09-21 14:17 – Updated: 2026-11-06 02:12
VLAI
EPSS
VEX
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.
Severity
5.3 (Medium)
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-22 03:55 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
redhat
CNA
References
10 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2026:85959 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:86981 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:86982 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2026-94184 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2531984 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2537395 | issue-trackingx_refsource_REDHAT |
| https://gitlab.com/fetchmail/fetchmail/-/commit/c… | |
| https://www.fetchmail.info/fetchmail-SA-2026-01.txt | |
| https://www.openwall.com/lists/oss-security/2026/… | |
| http://www.openwall.com/lists/oss-security/2026/09/23/1 |
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 |
Unaffected:
0:6.4.38-3.el10_2.1 , < *
(rpm)
cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
0:6.4.24-1.el8_10.1 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:8::appstream |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:6.4.24-1.el9_8.1 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9::appstream |
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:rhel_els:6
|
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:rhel_els:7
|
Date Public
2026-06-27 00:00
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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
EPSS
VEX
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
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-22 15:36 UTC
Assigner
VulDB
CNA
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/408017 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/408017/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-94089 | third-party-advisory |
| https://vuldb.com/submit/951681 | third-party-advisory |
| https://github.com/Walnut1337/CVE/blob/main/poc/p… | exploit |
| https://www.dlink.com/ | product |
Impacted products
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CVE-2026-94003 (GCVE-0-2026-94003)
Vulnerability from cvelistv5 – Published: 2026-09-20 11:30 – Updated: 2026-09-24 11:55
VLAI
EPSS
VEX
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
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-24 11:54 UTC
Assigner
VulDB
CNA
References
5 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
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CVE-2026-93925 (GCVE-0-2026-93925)
Vulnerability from cvelistv5 – Published: 2026-10-02 10:16 – Updated: 2026-10-02 10:53
VLAI
EPSS
VEX
Title
Apache Thrift: C++ `THeaderTransport::writeVarint32()` stack buffer overflow on a negative protocol id
Summary
Stack-based buffer overflow, Incorrect bitwise shift of integer vulnerability in Apache Thrift C++ THeaderProtocol.
This issue affects Apache Thrift: before 0.25.0.
Users are recommended to upgrade to version 0.25.0, which fixes the issue.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-02 10:51 UTC
Assigner
apache
CNA
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/33otcgbqd27wf6qq8… | vendor-advisory |
| https://lists.apache.org/thread/b4rrkrwoyqb9g7hk5… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Thrift |
Affected:
0 , < 0.25.0
(semver)
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CVE-2026-93888 (GCVE-0-2026-93888)
Vulnerability from cvelistv5 – Published: 2026-10-20 21:39 – Updated: 2026-10-22 23:04
VLAI
EPSS
VEX
Title
IBM Sterling Connect:Direct for Unix Buffer Overflow
Summary
IBM Sterling Connect Direct for Unix 6.4.0.0 through 6.4.0.6 and 6.3.0.0 through 6.3.0.7 apnotify utility is vulnerable to a code injection due to insufficient validation of user input.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-21 00:00 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
ibm
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://www.ibm.com/support/pages/node/7292127 | vendor-advisorypatch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| IBM | Sterling Connect Direct for Unix |
Affected:
6.4.0.0 , ≤ 6.4.0.6
(semver)
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CVE-2026-93857 (GCVE-0-2026-93857)
Vulnerability from cvelistv5 – Published: 2026-10-27 15:52 – Updated: 2026-10-29 10:45
VLAI
EPSS
VEX
Title
Fireware OS Pre-Authentication Stack Buffer Overflow in SIP Proxy Allows Remote Code Execution
Summary
A stack-based buffer overflow vulnerability in Fireware OS's SIP proxy allows a remote, unauthenticated attacker to execute arbitrary code by sending a specially crafted request through a policy that uses the SIP proxy.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-29 03:56 UTC
Assigner
WatchGuard
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-93857 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2025.1 , < 2026.4
(custom)
Affected: 12.0 , < 12.12.4 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.22
(custom)
|
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CVE-2026-93433 (GCVE-0-2026-93433)
Vulnerability from cvelistv5 – Published: 2026-09-21 20:10 – Updated: 2026-11-06 02:07
VLAI
EPSS
VEX
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)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-24 22:39 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
redhat
CNA
References
2 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
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 |
cpe:/a:redhat:enterprise_linux:10
|
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:rhel_els:7
|
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/a:redhat:enterprise_linux:8
|
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/a:redhat:enterprise_linux:9
|
Date Public
2026-09-21 18:08
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CVE-2026-92870 (GCVE-0-2026-92870)
Vulnerability from cvelistv5 – Published: 2026-09-30 07:21 – Updated: 2026-09-30 19:42
VLAI
EPSS
VEX
Summary
A stack-based buffer overflow vulnerability exists in Pgpool-II, which may allow an unauthenticated attacker to cause abnormal process termination.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 19:41 UTC
CWE
- CWE-121 - Stack-based buffer overflow
Assigner
jpcert
CNA
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Pgpool Global Development Group | Pgpool-II |
Affected:
4.7.0 , ≤ 4.7.2
(semver)
Affected: 4.6.0 , ≤ 4.6.7 (semver) Affected: 4.5.0 , ≤ 4.5.12 (semver) Affected: 4.4.0 , ≤ 4.4.17 (semver) Affected: 4.3.0 , ≤ 4.3.20 (semver) Affected: 3.5.x , ≤ 4.2.x (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.