Common Weakness Enumeration

CWE-129

Allowed

Improper 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.

839 vulnerabilities reference this CWE, most recent first.

CVE-2026-65832 (GCVE-0-2026-65832)

Vulnerability from cvelistv5 – Published: 2026-08-17 20:59 – Updated: 2026-08-18 15:40
VLAI
Title
Deskflow - Unauthenticated server-controlled out-of-bounds read in ServerProxy::setOptions / translateKey modifier-table indexing
Summary
Deskflow is a keyboard and mouse sharing app. Prior to continuous build 1.26.0.299, a remote unauthenticated Deskflow server can send kMsgDSetOptions (DSOP) values to ServerProxy::setOptions() in src/lib/client/ServerProxy.cpp so that the value following a modifier option poisons m_modifierTranslationTable, after which ServerProxy::translateKey() or ServerProxy::translateModifierMask() indexes the seven-row s_translationTable or s_masks arrays out of bounds, disclosing four bytes at an attacker-selected relative offset or crashing the connected client; an odd option count also causes an out-of-bounds OptionsList read. This issue is fixed in continuous build 1.26.0.299.
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-18 15:39 UTC
CWE
  • CWE-125 - Out-of-bounds Read
  • CWE-129 - Improper Validation of Array Index
Impacted products
Vendor Product Version
deskflow deskflow Affected: < 1.26.0.299
Create a notification for this product.
Show details on NVD website

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CVE-2026-65653 (GCVE-0-2026-65653)

Vulnerability from cvelistv5 – Published: 2026-09-21 11:36 – Updated: 2026-09-21 15:28
VLAI
Title
temporalio/tchannel-go zero-chunk call fragment causes process termination
Summary
github.com/temporalio/tchannel-go did not reject TChannel call fragments containing checksum metadata but no length-prefixed argument chunks. The fragment reader left its chunk slice empty and then unconditionally selected the first element. A network peer can supply such a malformed call fragment, including as a direct initial call request after completing the standard initialization handshake. On that inbound path, the resulting unrecovered Go slice-bounds panic occurs on a library-created dispatch goroutine and terminates the hosting process. This allows remote denial of service against applications that expose the listener to untrusted peers. The impact is limited to availability; no confidentiality or integrity impact was identified.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-21 15:28 UTC
CWE
  • CWE-129 - Improper Validation of Array Index
Impacted products
Vendor Product Version
Temporal Technologies, Inc. temporalio/tchannel-go Affected: 0.0.0-20150531204735-8d8ca17342b3 , < 1.22.1-0.20260720194454-0cb017f6870a (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-65652 (GCVE-0-2026-65652)

Vulnerability from cvelistv5 – Published: 2026-09-21 11:35 – Updated: 2026-09-21 15:30
VLAI
Title
temporalio/tchannel-go malformed checksum type causes process termination
Summary
github.com/temporalio/tchannel-go did not validate the one-byte checksum-type field in inbound TChannel call frames. A network peer that can reach a listener can complete the standard initialization handshake and send a call request with an unsupported checksum type. The parser uses that value as an index into a four-entry checksum pool, causing an unrecovered Go panic on the connection read goroutine and terminating the hosting process. This allows remote denial of service against applications that expose the listener to untrusted peers. The impact is limited to availability; no confidentiality or integrity impact was identified.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-21 15:29 UTC
CWE
  • CWE-129 - Improper Validation of Array Index
Impacted products
Vendor Product Version
Temporal Technologies, Inc. temporalio/tchannel-go Affected: 0.0.0-20160105034737-a6904155f628 , < 1.22.1-0.20260720194454-0cb017f6870a (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-63635 (GCVE-0-2026-63635)

Vulnerability from cvelistv5 – Published: 2026-09-18 15:39 – Updated: 2026-09-24 20:56
VLAI
Title
OpenImageIO: PSD RawColor invalid color mode causes global out-of-bounds read and allocation DoS
Summary
OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant to VFX / animation. Prior to 3.0.21.0, 3.1.16.0, and 3.2.0.3-beta1, A crafted psd with an invalid color_mode bypasses normal validation when oiio:rawcolor or psd:rawdata is enabled. psdinput::setup() then uses the attacker-controlled value to index fixed color-mode tables, causing a global out-of-bounds read and potentially a bogus allocation, resulting in denial of service. The affected implementation is identified by src/psd.imageio/psdinput.cpp, PSDInput::validate_header(), PSDInput::setup(), oiio:RawColor, psd:RawData, color_mode, and mode_channel_count, which define the relevant source path, functions, state, and trigger. This issue is fixed in versions 3.0.21.0, 3.1.16.0, and 3.2.0.3-beta1.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-24 20:56 UTC
CWE
  • CWE-125 - Out-of-bounds Read
  • CWE-129 - Improper Validation of Array Index
Impacted products
Vendor Product Version
AcademySoftwareFoundation OpenImageIO Affected: < 3.0.21.0
Affected: >= 3.1.0.0, < 3.1.16.0
Affected: >= 3.2.0.0-dev, < 3.2.0.3-beta1
Create a notification for this product.
Show details on NVD website

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CVE-2026-63420 (GCVE-0-2026-63420)

Vulnerability from cvelistv5 – Published: 2026-09-18 15:36 – Updated: 2026-09-22 14:45
VLAI
Title
OpenImageIO: PSD RawColor indexed image out-of-bounds read in `interleave_row`
Summary
OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant to VFX / animation. Prior to 3.0.21.0, 3.1.16.0, and 3.2.0.3-beta1, An indexed psd with transparency metadata creates fewer stored channel_buffers than the spec.nchannels value advertised by the rawcolor path. when oiio:rawcolor or psd:rawdata is enabled, psdinput::read_native_scanline() passes spec.nchannels to psdinput::interleave_row(), which indexes beyond channel_buffers, resulting in a heap out-of-bounds read and process crash. The affected implementation is identified by src/psd.imageio/psdinput.cpp, PSDInput::read_native_scanline(), PSDInput::interleave_row(), oiio:RawColor, psd:RawData, channel_buffers, and spec.nchannels, which define the relevant source path, functions, state, and trigger. This issue is fixed in versions 3.0.21.0, 3.1.16.0, and 3.2.0.3-beta1.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-22 14:44 UTC
CWE
  • CWE-125 - Out-of-bounds Read
  • CWE-129 - Improper Validation of Array Index
Impacted products
Vendor Product Version
AcademySoftwareFoundation OpenImageIO Affected: < 3.0.21.0
Affected: >= 3.1.0.0, < 3.1.16.0
Affected: >= 3.2.0.0-dev, < 3.2.0.3-beta1
Create a notification for this product.
Show details on NVD website

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CVE-2026-63308 (GCVE-0-2026-63308)

Vulnerability from cvelistv5 – Published: 2026-07-17 16:14 – Updated: 2026-07-17 17:25 X_Open Source
VLAI
Title
Helm Files.Lines Denial of Service via Empty Chart Files
Summary
Helm through 4.2.3, fixed in commit ba6c9a2, contains a denial of service vulnerability in the Files.Lines template helper in pkg/engine/files.go that allows attackers to trigger an index out of range panic by including zero-length byte slices in chart files. Attackers can include empty files in Helm charts to cause deterministic render failures across template, install, upgrade, lint, and SDK Engine.Render operations.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-17 17:25 UTC
CWE
  • CWE-129 - Improper Validation of Array Index
Impacted products
Vendor Product Version
helm helm Affected: 0 , ≤ 4.2.3 (semver)
Unaffected: ba6c9a29efa7bf9198dad6a5ec12b4fb30c96017 (git)
    cpe:2.3:a:helm:helm:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-07-01 00:00
Show details on NVD website

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CVE-2026-62866 (GCVE-0-2026-62866)

Vulnerability from cvelistv5 – Published: 2026-09-21 16:51 – Updated: 2026-09-21 18:00
VLAI
Title
Dasel: Selector lexer panics on trailing whitespace in `parseCurRune`
Summary
Dasel is a command-line tool and library for querying, modifying, and transforming data structures. From 3.0.0 until 3.11.2, selector/lexer/tokenize.go parseCurRune advances the input index across trailing whitespace and then reads the source at the exhausted index without an end-of-input check. A selector ending in whitespace, including input passed through lexer.NewTokenizer(...).Tokenize() or dasel.Query, can therefore cause an index-out-of-range panic and terminate the process. This issue is fixed in version 3.11.2.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-21 17:59 UTC
CWE
  • CWE-129 - Improper Validation of Array Index
Impacted products
Vendor Product Version
TomWright dasel Affected: >= 3.0.0, < 3.11.2
Create a notification for this product.
Show details on NVD website

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CVE-2026-61695 (GCVE-0-2026-61695)

Vulnerability from cvelistv5 – Published: 2026-09-23 18:44 – Updated: 2026-09-29 02:07
VLAI
Title
Wire Swift runtime: negative LENGTH_DELIMITED length in skipGroup() crashes any protobuf-decoding service
Summary
Wire provides gRPC and protocol buffers for Android, Kotlin, Swift, and Java. Prior to 6.4.1 and 7.0.0-alpha04, Wire's Swift runtime ProtoReader.skipGroup(expectedEndTag:unknownFieldsWriter:) accepts a negative length for a LENGTH_DELIMITED field inside an unknown START_GROUP field. ProtoReader.readData() forwards the negative count to ReadBuffer.readData(count:), whose upper-bound-only check permits the value to reach Foundation Data(bytes:count:) and trigger an unrecoverable process trap instead of a catchable ProtoDecoder.Error. Any Swift process decoding untrusted protobuf bytes can be crashed without authentication, user interaction, or knowledge of the target schema. This issue is fixed in versions 6.4.1 and 7.0.0-alpha04.
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 02:07 UTC
CWE
  • CWE-129 - Improper Validation of Array Index
Impacted products
Vendor Product Version
square wire Affected: < 6.4.1
Affected: >= 7.0.0-alpha01, < 7.0.0-alpha04
Create a notification for this product.
Show details on NVD website

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CVE-2026-57272 (GCVE-0-2026-57272)

Vulnerability from cvelistv5 – Published: 2026-07-02 02:22 – Updated: 2026-07-02 12:38
VLAI
Title
GeoVision GeoWebPlayer Websocket Server out-of-bounds read vulnerability
Summary
GeoWebPlayer (also called "Web Plugin" in the GV-VMS documentation and "WS Player" for VMS-Cloud) is an addon that can be installed with various GeoVision software (GV-VMS, GV-Cloud, ...). It creates a websocket server that expands the capabilities of the various web-interfaces provided by the GeoVision software and may be necessary for them to function properly. The Websocket server can accept various commands coming from localhost. Many of the commands will take an `index` value that is then used to access various arrays to enter critical sections, perform various actions via function calls, etc. However the `index` value is usually not checked for valid range, and as such it can be used to access multiple arrays out-of-bound. #### byPass command index-out-of-bound
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-02 12:38 UTC
CWE
  • CWE-129 - Improper validation of array index
References
Impacted products
Vendor Product Version
GeoVision Inc. GeoWebPlayer Affected: V1.1.1.0
Unaffected: V1.1.3.0
    cpe:2.3:a:geovision_inc.:geowebplayer:v1.1.1.0:*:windows:*:*:*:*:*
    cpe:2.3:a:geovision_inc.:geowebplayer:v1.1.1.0:*:64_bit:*:*:*:*:*
Create a notification for this product.
Date Public
2026-06-24 00:39
Show details on NVD website

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CVE-2026-57271 (GCVE-0-2026-57271)

Vulnerability from cvelistv5 – Published: 2026-07-02 02:21 – Updated: 2026-07-02 12:39
VLAI
Title
GeoVision GeoWebPlayer Websocket Server out-of-bounds read vulnerability
Summary
GeoWebPlayer (also called "Web Plugin" in the GV-VMS documentation and "WS Player" for VMS-Cloud) is an addon that can be installed with various GeoVision software (GV-VMS, GV-Cloud, ...). It creates a websocket server that expands the capabilities of the various web-interfaces provided by the GeoVision software and may be necessary for them to function properly. #### pause command index-out-of-bound
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-02 12:39 UTC
CWE
  • CWE-129 - Improper validation of array index
References
Impacted products
Vendor Product Version
GeoVision Inc. GeoWebPlayer Affected: V1.1.1.0
Unaffected: V1.1.3.0
    cpe:2.3:a:geovision_inc.:geowebplayer:v1.1.1.0:*:windows:*:*:*:*:*
    cpe:2.3:a:geovision_inc.:geowebplayer:v1.1.1.0:*:64_bit:*:*:*:*:*
Create a notification for this product.
Date Public
2026-06-24 00:39
Show details on NVD website

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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.