Common Weakness Enumeration
CWE-129
AllowedImproper Validation of Array Index
Abstraction: Variant · Status: Draft
The product uses untrusted input when calculating or using an array index, but the product does not validate or incorrectly validates the index to ensure the index references a valid position within the array.
793 vulnerabilities reference this CWE, most recent first.
CVE-2023-22401 (GCVE-0-2023-22401)
Vulnerability from cvelistv5 – Published: 2023-01-12 00:00 – Updated: 2025-04-07 15:39
VLAI
EPSS
VEX
Title
Junos OS and Junos OS Evolved: PTX10008, PTX10016: When a specific SNMP MIB is queried the FPC will crash
Summary
An Improper Validation of Array Index vulnerability in the Advanced Forwarding Toolkit Manager daemon (aftmand) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS). On the PTX10008 and PTX10016 platforms running Junos OS or Junos OS Evolved, when a specific SNMP MIB is queried this will cause a PFE crash and the FPC will go offline and not automatically recover. A system restart is required to get the affected FPC in an operational state again. This issue affects: Juniper Networks Junos OS 22.1 version 22.1R2 and later versions; 22.1 versions prior to 22.1R3; 22.2 versions prior to 22.2R2. Juniper Networks Junos OS Evolved 21.3-EVO version 21.3R3-EVO and later versions; 21.4-EVO version 21.4R1-S2-EVO, 21.4R2-EVO and later versions prior to 21.4R2-S1-EVO; 22.1-EVO version 22.1R2-EVO and later versions prior to 22.1R3-EVO; 22.2-EVO versions prior to 22.2R1-S1-EVO, 22.2R2-EVO.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-07 15:07 UTC
CWE
- CWE-129 - Improper Validation of Array Index
- Denial of Service (DoS)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://kb.juniper.net/JSA70197 |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
22.1R2 , < 22.1*
(custom)
Affected: 22.2 , < 22.2R2 (custom) |
|
| Juniper Networks | Junos OS Evolved |
Affected:
21.3R3-EVO , < 21.3-EVO*
(custom)
Affected: 21.4R1-S2-EVO, 21.4R2-EVO , < 21.4-EVO* (custom) Affected: 22.1R2-EVO , < 22.1-EVO* (custom) Affected: 22.2-EVO , < 22.2R1-S1-EVO, 22.2R2-EVO (custom) |
Date Public
2023-01-11 00:00
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CVE-2023-21650 (GCVE-0-2023-21650)
Vulnerability from cvelistv5 – Published: 2023-08-08 09:14 – Updated: 2024-08-02 09:44
VLAI
EPSS
VEX
Title
Improper Validation of Array Index in GPS HLOS Driver
Summary
Memory Corruption in GPS HLOS Driver when injectFdclData receives data with invalid data length.
Severity
6.7 (Medium)
CWE
- CWE-129 - Improper Validation of Array Index
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Qualcomm, Inc. | Snapdragon |
Affected:
AQT1000
Affected: CSRB31024 Affected: QAM8295P Affected: QCA6390 Affected: QCA6391 Affected: QCA6420 Affected: QCA6426 Affected: QCA6430 Affected: QCA6436 Affected: QCA6564 Affected: QCA6564AU Affected: QCA6574A Affected: QCA6574AU Affected: QCA6595AU Affected: QCA6696 Affected: QCC5100 Affected: QCS410 Affected: QCS610 Affected: SA415M Affected: SA6145P Affected: SA6150P Affected: SA6155P Affected: SA8145P Affected: SA8150P Affected: SA8155P Affected: SA8195P Affected: SA8295P Affected: SD855 Affected: SD865 5G Affected: SD870 Affected: SDA429W Affected: SDX55M Affected: SDXR2 5G Affected: SW5100 Affected: SW5100P Affected: WCD9341 Affected: WCD9370 Affected: WCD9380 Affected: WCN3610 Affected: WCN3660B Affected: WCN3680B Affected: WCN3950 Affected: WCN3980 Affected: WCN3988 Affected: WCN3998 Affected: WCN6850 Affected: WCN6851 Affected: WSA8810 Affected: WSA8815 Affected: WSA8830 Affected: WSA8835 |
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CVE-2023-21636 (GCVE-0-2023-21636)
Vulnerability from cvelistv5 – Published: 2023-09-05 06:23 – Updated: 2024-08-02 09:44
VLAI
EPSS
VEX
Title
Improper Validation of Array Index in Linux
Summary
Memory Corruption due to improper validation of array index in Linux while updating adn record.
Severity
6.7 (Medium)
CWE
- CWE-129 - Improper Validation of Array Index
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Qualcomm, Inc. | Snapdragon |
Affected:
AQT1000
Affected: QCA6390 Affected: QCA6391 Affected: QCA6420 Affected: QCA6426 Affected: QCA6430 Affected: QCA6436 Affected: QCA6574A Affected: QCA6574AU Affected: QCA6595AU Affected: QCA6696 Affected: QCC5100 Affected: SA515M Affected: SA6145P Affected: SA6150P Affected: SA6155P Affected: SA8145P Affected: SA8150P Affected: SA8155P Affected: SA8195P Affected: SD480 Affected: SD695 Affected: SD855 Affected: SD865 5G Affected: SD870 Affected: SDA429W Affected: SDX55 Affected: SDX55M Affected: SDXR2 5G Affected: SM4375 Affected: SW5100 Affected: SW5100P Affected: WCD9341 Affected: WCD9360 Affected: WCD9370 Affected: WCD9375 Affected: WCD9380 Affected: WCD9385 Affected: WCN3610 Affected: WCN3660B Affected: WCN3680B Affected: WCN3980 Affected: WCN3988 Affected: WCN3991 Affected: WCN3998 Affected: WCN6850 Affected: WCN6851 Affected: WSA8810 Affected: WSA8815 Affected: WSA8830 Affected: WSA8835 |
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CVE-2023-20601 (GCVE-0-2023-20601)
Vulnerability from cvelistv5 – Published: 2026-02-12 17:31 – Updated: 2026-02-12 18:19
VLAI
EPSS
VEX
Summary
Improper input validation within RAS TA Driver can allow a local attacker to access out-of-bounds memory, potentially resulting in a denial-of-service condition.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-12 18:08 UTC
CWE
- CWE-129 - Improper Validation of Array Index
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| AMD | AMD Radeon™ PRO VII |
Unaffected:
AMD Software: Adrenalin Edition 25.5.1 (23.19.23.01 pre-RDNA), AMD Software: PRO Edition 25.Q2 (23.19.23.01 pre-RDNA)
|
|
| AMD | AMD Radeon™ VII |
Unaffected:
AMD Software: Adrenalin Edition 25.5.1 (23.19.23.01 pre-RDNA), AMD Software: PRO Edition 25.Q2 (23.19.23.01 pre-RDNA)
|
Date Public
2026-02-12 17:31
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CVE-2023-20080 (GCVE-0-2023-20080)
Vulnerability from cvelistv5 – Published: 2023-03-23 00:00 – Updated: 2024-10-28 16:32
VLAI
EPSS
VEX
Title
Cisco IOS and IOS XE Software IPv6 DHCP (DHCPv6) Relay and Server Denial of Service Vulnerability
Summary
A vulnerability in the IPv6 DHCP version 6 (DHCPv6) relay and server features of Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to trigger a denial of service (DoS) condition. This vulnerability is due to insufficient validation of data boundaries. An attacker could exploit this vulnerability by sending crafted DHCPv6 messages to an affected device. A successful exploit could allow the attacker to cause the device to reload unexpectedly.
Severity
8.6 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-28 16:24 UTC
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://sec.cloudapps.cisco.com/security/center/c… | vendor-advisory |
Date Public
2023-03-22 00:00
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CVE-2023-6298 (GCVE-0-2023-6298)
Vulnerability from cvelistv5 – Published: 2023-11-26 23:00 – Updated: 2025-02-13 17:26 Disputed
VLAI
EPSS
VEX
Title
Apryse iText PdfDocument.java main array index
Summary
A vulnerability classified as problematic was found in Apryse iText 8.0.2. This vulnerability affects the function main of the file PdfDocument.java. The manipulation leads to improper validation of array index. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The real existence of this vulnerability is still doubted at the moment. The identifier of this vulnerability is VDB-246124. NOTE: The vendor was contacted early about this disclosure but did not respond in any way. A statement published afterwards explains that the exception is not a vulnerability and the identified CWEs might not apply to the software.
Severity
4.3 (Medium)
4.3 (Medium)
CWE
- CWE-129 - Improper Validation of Array Index
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.246124 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.246124 | signaturepermissions-required |
| https://drive.google.com/drive/folders/1OBAeGH_rN… | exploit |
| https://kb.itextpdf.com/itext/statement-regarding… | related |
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CVE-2023-2570 (GCVE-0-2023-2570)
Vulnerability from cvelistv5 – Published: 2023-06-14 07:52 – Updated: 2024-08-02 06:26
VLAI
EPSS
VEX
Summary
A CWE-129: Improper Validation of Array Index vulnerability exists that could cause local
denial-of-service, and potentially kernel execution when a malicious actor with local user access
crafts a script/program using an unpredictable index to an IOCTL call in the Foxboro.sys driver.
Severity
CWE
- CWE-129 - Improper Validation of Array Index
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Schneider Electric | EcoStruxure Foxboro DCS Control Core Services |
Affected:
All versions prior to patch HF9857795
|
Date Public
2023-06-13 07:45
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CVE-2023-2008 (GCVE-0-2023-2008)
Vulnerability from cvelistv5 – Published: 2023-04-14 00:00 – Updated: 2026-08-10 17:56
VLAI
EPSS
VEX
Title
Kernel: udmabuf: improper validation of array index leading to local privilege escalation
Summary
A flaw was found in the Linux kernel's udmabuf device driver, within a fault handler. This issue occurs due to the lack of proper validation of user-supplied data, which can result in memory access past the end of an array. This may allow an attacker to escalate privileges and execute arbitrary code in the context of the kernel.
Severity
8.2 (High)
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-23 13:28 UTC
CWE
- CWE-129 - Improper Validation of Array Index
Assigner
References
10 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2022:7933 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2022:8267 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2023:3465 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2023:3470 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2023:3490 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2023-2008 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2186862 | issue-trackingx_refsource_REDHAT |
| https://www.zerodayinitiative.com/advisories/ZDI-… | |
| https://github.com/torvalds/linux/commit/05b252cc… | x_transferred |
| https://security.netapp.com/advisory/ntap-2023051… | x_transferred |
Impacted products
9 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | kernel |
Affected:
4.20 , < 5.4.202
(semver)
Affected: 5.5 , < 5.10.127 (semver) Affected: 5.11 , < 5.15.51 (semver) Affected: 5.16 , < 5.18.8 (semver) Unaffected: 5.19 (semver) |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:5.14.0-162.6.1.el9_1 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9::appstream cpe:/a:redhat:enterprise_linux:9::crb cpe:/o:redhat:enterprise_linux:9::baseos |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:5.14.0-162.6.1.rt21.168.el9_1 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9::nfv cpe:/a:redhat:enterprise_linux:9::realtime |
|
| Red Hat | Red Hat Enterprise Linux 9.0 Extended Update Support |
Unaffected:
0:5.14.0-70.58.1.el9_0 , < *
(rpm)
cpe:/a:redhat:rhel_eus:9.0::appstream cpe:/a:redhat:rhel_eus:9.0::crb cpe:/o:redhat:rhel_eus:9.0::baseos |
|
| Red Hat | Red Hat Enterprise Linux 9.0 Extended Update Support |
Unaffected:
0:5.14.0-70.58.1.rt21.129.el9_0 , < *
(rpm)
cpe:/a:redhat:rhel_eus:9.0::nfv cpe:/a:redhat:rhel_eus:9.0::realtime |
|
| Red Hat | Red Hat Enterprise Linux 9.0 Extended Update Support |
cpe:/o:redhat:rhel_eus:9.0::baseos
|
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6
|
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7
|
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8
|
Date Public
2023-04-13 00:00
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CVE-2023-0950 (GCVE-0-2023-0950)
Vulnerability from cvelistv5 – Published: 2023-05-25 00:00 – Updated: 2025-04-23 16:21
VLAI
EPSS
VEX
Title
Array Index UnderFlow in Calc Formula Parsing
Summary
Improper Validation of Array Index vulnerability in the spreadsheet component of The Document Foundation LibreOffice allows an attacker to craft a spreadsheet document that will cause an array index underflow when loaded. In the affected versions of LibreOffice certain malformed spreadsheet formulas, such as AGGREGATE, could be created with less parameters passed to the formula interpreter than it expected, leading to an array index underflow, in which case there is a risk that arbitrary code could be executed. This issue affects: The Document Foundation LibreOffice 7.4 versions prior to 7.4.6; 7.5 versions prior to 7.5.1.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-23 13:28 UTC
CWE
- CWE-129 - Improper Validation of Array Index
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://www.libreoffice.org/about-us/security/adv… | |
| https://www.debian.org/security/2023/dsa-5415 | vendor-advisory |
| https://lists.debian.org/debian-lts-announce/2023… | mailing-list |
| https://security.gentoo.org/glsa/202311-15 | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The Document Foundation | LibreOffice |
Affected:
7.4 , < 7.4.6
(custom)
Affected: 7.5 , < 7.5.1 (custom) |
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CVE-2023-0755 (GCVE-0-2023-0755)
Vulnerability from cvelistv5 – Published: 2023-02-23 21:23 – Updated: 2025-01-16 21:55
VLAI
EPSS
VEX
Summary
The affected products are vulnerable to an improper validation of array index, which could allow an attacker to crash the server and remotely execute arbitrary code.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-01-16 20:59 UTC
CWE
- CWE-129 - Improper Validation of Array Index
Assigner
References
1 reference
Impacted products
9 products
| Vendor | Product | Version | |
|---|---|---|---|
| PTC | ThingWorx Edge C-SDK |
Affected:
0 , ≤ v2.2.12.1052
(custom)
|
|
| Microsoft | .NET-SDK |
Affected:
0 , ≤ v5.8.4.971
(custom)
|
|
| PTC | ThingWorx Edge MicroServer (EMS) |
Affected:
0 , ≤ v5.4.10.0
(custom)
|
|
| PTC | Kepware KEPServerEX |
Affected:
0 , ≤ v6.12
(custom)
|
|
| PTC | ThingWorx Kepware Server |
Affected:
0 , ≤ v6.12
(custom)
|
|
| PTC | ThingWorx Industrial Connectivity |
Affected:
All Versions
|
|
| PTC | ThingWorx Kepware Edge |
Affected:
0 , ≤ v1.5
(custom)
|
|
| Rockwell Automation | KEPServer Enterprise |
Affected:
0 , ≤ v6.12
(custom)
|
|
| General Electric | Digital Industrial Gateway Server |
Affected:
0 , ≤ v7.612
(custom)
|
Date Public
2023-02-23 17:00
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Mitigation MIT-7
Architecture and Design
Strategy: Input Validation
Use an input validation framework such as Struts or the OWASP ESAPI Validation API. Note that using a framework does not automatically address all input validation problems; be mindful of weaknesses that could arise from misusing the framework itself (CWE-1173).
Mitigation MIT-15
Architecture and Design
- For any security checks that are performed on the client side, ensure that these checks are duplicated on the server side, in order to avoid CWE-602. Attackers can bypass the client-side checks by modifying values after the checks have been performed, or by changing the client to remove the client-side checks entirely. Then, these modified values would be submitted to the server.
- Even though client-side checks provide minimal benefits with respect to server-side security, they are still useful. First, they can support intrusion detection. If the server receives input that should have been rejected by the client, then it may be an indication of an attack. Second, client-side error-checking can provide helpful feedback to the user about the expectations for valid input. Third, there may be a reduction in server-side processing time for accidental input errors, although this is typically a small savings.
Mitigation MIT-3
Requirements
Strategy: Language Selection
- Use a language that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
- For example, Ada allows the programmer to constrain the values of a variable and languages such as Java and Ruby will allow the programmer to handle exceptions when an out-of-bounds index is accessed.
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].
Mitigation MIT-12
Operation
Strategy: Environment Hardening
- Use a CPU and operating system that offers Data Execution Protection (using hardware NX or XD bits) or the equivalent techniques that simulate this feature in software, such as PaX [REF-60] [REF-61]. These techniques ensure that any instruction executed is exclusively at a memory address that is part of the code segment.
- For more information on these techniques see D3-PSEP (Process Segment Execution Prevention) from D3FEND [REF-1336].
Mitigation MIT-5
Implementation
Strategy: Input Validation
- Assume all input is malicious. Use an "accept known good" input validation strategy, i.e., use a list of acceptable inputs that strictly conform to specifications. Reject any input that does not strictly conform to specifications, or transform it into something that does.
- When performing input validation, consider all potentially relevant properties, including length, type of input, the full range of acceptable values, missing or extra inputs, syntax, consistency across related fields, and conformance to business rules. As an example of business rule logic, "boat" may be syntactically valid because it only contains alphanumeric characters, but it is not valid if the input is only expected to contain colors such as "red" or "blue."
- Do not rely exclusively on looking for malicious or malformed inputs. This is likely to miss at least one undesirable input, especially if the code's environment changes. This can give attackers enough room to bypass the intended validation. However, denylists can be useful for detecting potential attacks or determining which inputs are so malformed that they should be rejected outright.
- When accessing a user-controlled array index, use a stringent range of values that are within the target array. Make sure that you do not allow negative values to be used. That is, verify the minimum as well as the maximum of the range of acceptable values.
Mitigation MIT-35
Implementation
Be especially careful to validate all input when invoking code that crosses language boundaries, such as from an interpreted language to native code. This could create an unexpected interaction between the language boundaries. Ensure that you are not violating any of the expectations of the language with which you are interfacing. For example, even though Java may not be susceptible to buffer overflows, providing a large argument in a call to native code might trigger an overflow.
Mitigation MIT-17
Architecture and Design
Operation
Strategy: Environment Hardening
Run your code using the lowest privileges that are required to accomplish the necessary tasks [REF-76]. If possible, create isolated accounts with limited privileges that are only used for a single task. That way, a successful attack will not immediately give the attacker access to the rest of the software or its environment. For example, database applications rarely need to run as the database administrator, especially in day-to-day operations.
Mitigation MIT-22
Architecture and Design
Operation
Strategy: Sandbox or Jail
- Run the code in a "jail" or similar sandbox environment that enforces strict boundaries between the process and the operating system. This may effectively restrict which files can be accessed in a particular directory or which commands can be executed by the software.
- OS-level examples include the Unix chroot jail, AppArmor, and SELinux. In general, managed code may provide some protection. For example, java.io.FilePermission in the Java SecurityManager allows the software to specify restrictions on file operations.
- This may not be a feasible solution, and it only limits the impact to the operating system; the rest of the application may still be subject to compromise.
- Be careful to avoid CWE-243 and other weaknesses related to jails.
CAPEC-100: Overflow Buffers
Buffer Overflow attacks target improper or missing bounds checking on buffer operations, typically triggered by input injected by an adversary. As a consequence, an adversary is able to write past the boundaries of allocated buffer regions in memory, causing a program crash or potentially redirection of execution as per the adversaries' choice.