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.
871 vulnerabilities reference this CWE, most recent first.
CVE-2026-93840 (GCVE-0-2026-93840)
Vulnerability from cvelistv5 – Published: 2026-09-18 19:06 – Updated: 2026-09-24 14:23
VLAI
EPSS
VEX
Title
vLLM before 0.29.0 Cross-Request Logits Corruption via allowed_token_ids
Summary
vLLM before 0.29.0 validates allowed_token_ids against tokenizer length instead of model output logits width in SamplingParams._validate_allowed_token_ids(). Attackers can supply token IDs above the output vocabulary that pass validation, causing LogitBiasState to corrupt GPU logits state and allow concurrent requests to sample tokens outside their allowlists.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-21 18:29 UTC
CWE
- CWE-129 - Improper Validation of Array Index
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/vllm-project/vllm/pull/49080 | patchissue-tracking |
| https://github.com/vllm-project/vllm | product |
| https://github.com/vllm-project/vllm/commit/5b0e5… | patch |
| https://github.com/vllm-project/vllm/blob/v0.28.0… | technical-description |
| https://github.com/vllm-project/vllm/blob/v0.28.0… | technical-description |
| https://www.vulncheck.com/advisories/vllm-before-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| vllm-project | vllm |
Affected:
0 , < 0.29.0
(semver)
Unaffected: 0.29.0 (semver) cpe:2.3:a:vllm:vllm:*:*:*:*:*:*:*:* |
Date Public
2026-07-19 00:00
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CVE-2026-93592 (GCVE-0-2026-93592)
Vulnerability from cvelistv5 – Published: 2026-09-18 13:20 – Updated: 2026-09-18 18:09
VLAI
EPSS
VEX
Title
vLLM before 0.28.0 Denial of Service via negative token ID
Summary
vLLM versions before 0.28.0 fail to validate the lower bound of token IDs in the /v1/embeddings and /pooling endpoints, allowing unauthenticated attackers to crash the engine by submitting negative token IDs. A single request with a negative token ID triggers a CUDA device-side assertion that poisons the GPU context, causing all subsequent requests to fail until the process restarts.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-18 18:09 UTC
CWE
- CWE-129 - Improper Validation of Array Index
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/vllm-project/vllm/security/adv… | vendor-advisory |
| https://www.vulncheck.com/advisories/vllm-before-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| vllm-project | vllm |
Affected:
0 , < 0.28.0
(semver)
Unaffected: 0.28.0 (semver) cpe:2.3:a:vllm:vllm:*:*:*:*:*:*:*:* |
Date Public
2026-09-03 00:00
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CVE-2026-93322 (GCVE-0-2026-93322)
Vulnerability from cvelistv5 – Published: 2026-10-05 17:53 – Updated: 2026-10-05 18:51
VLAI
EPSS
VEX
Title
Malformed MergeOp can crash the BuildKit daemon
Summary
A malicious frontend can submit an LLB definition that causes buildkitd
to panic and terminate, interrupting all builds running on that daemon.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-05 18:48 UTC
CWE
- CWE-129 - Improper Validation of Array Index
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/moby/buildkit/security/advisor… | vendor-advisory |
| https://github.com/moby/buildkit/releases/tag/v0.33.1 | patch |
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CVE-2026-93321 (GCVE-0-2026-93321)
Vulnerability from cvelistv5 – Published: 2026-10-05 22:00 – Updated: 2026-10-06 13:25
VLAI
EPSS
VEX
Title
Malformed LLB file operation can crash buildkitd
Summary
A malicious frontend can submit an LLB definition that causes buildkitd
to panic and terminate, interrupting all builds running on that daemon.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-06 13:25 UTC
CWE
- CWE-129 - Improper Validation of Array Index
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/moby/buildkit/security/advisor… | vendor-advisory |
| https://github.com/moby/buildkit/releases/tag/v0.33.1 | patch |
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CVE-2026-92152 (GCVE-0-2026-92152)
Vulnerability from cvelistv5 – Published: 2026-10-14 17:08 – Updated: 2026-10-14 17:08
VLAI
EPSS
VEX
Title
F´: Unvalidated Port Index in GenericHub
Summary
F´ (F Prime) is a framework that enables development and deployment of spaceflight and other embedded software applications. From 4.1.0 until 4.2.0, Svc::GenericHub output-port dispatch is vulnerable because the deserialized port field is passed to serialOut_out, bufferOut_out, eventOut_out, or tlmOut_out without an explicit range check. When a remote hub packet supplies a port index outside the configured output-port array, assert-enabled builds abort, while builds without assertions can access an output-port array out of bounds, corrupt heap memory, and potentially allow remote code execution. This issue is fixed in version 4.2.0.
Severity
CWE
- CWE-129 - Improper Validation of Array Index
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/nasa/fprime/security/advisorie… | x_refsource_CONFIRM |
| https://github.com/nasa/fprime/pull/4929 | x_refsource_MISC |
| https://github.com/nasa/fprime/commit/b56b53634fd… | x_refsource_MISC |
| https://github.com/nasa/fprime/releases/tag/v4.2.0 | x_refsource_MISC |
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CVE-2026-91101 (GCVE-0-2026-91101)
Vulnerability from cvelistv5 – Published: 2026-09-16 18:49 – Updated: 2026-09-17 13:41
VLAI
EPSS
VEX
Title
HP Linux Imaging and Printing (HPLIP) Software– Multiple Vulnerabilities
Summary
HP has identified and remediated multiple externally reported vulnerabilities within HPLIP. The findings affect several software components that could potentially enable remote code execution, privilege escalation, denial of service, information disclosure, or unauthorized file modification under certain conditions.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-17 11:55 UTC
CWE
- CWE-129 - Improper validation of array index
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| HP Inc. | HP Linux Imaging and Printing Software (HPLIP) |
Affected:
0 , < 3.26.6
(custom)
cpe:2.3:a:hp_inc.:hp_linux_imaging_and_printing_software_hplip_:*:*:linux:*:*:*:*:* |
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CVE-2026-88052 (GCVE-0-2026-88052)
Vulnerability from cvelistv5 – Published: 2026-09-10 17:38 – Updated: 2026-09-11 20:33
VLAI
EPSS
VEX
Title
Tesseract: Heap out-of-bounds write in UNICHARSET::load_via_fgets via count/insert desynchronization
Summary
Tesseract is an open source OCR engine. In version 5.5.3 and earlier, UNICHARSET::load_via_fgets in src/ccutil/unicharset.cpp trusts the declared unichar count as a loop bound and uses id as an unchecked index into the unichars vector. unichar_insert_backwards_compatible can leave the vector unchanged for an empty, duplicate, or already-encodable representation, causing id to become larger than unichars.size(). Subsequent set_* calls and the write to unichars[id].properties.enabled then write UNICHAR_PROPERTIES beyond the vector during initialization in both the default LSTM and legacy engines, causing heap corruption, a crash, or potentially controlled corruption. No fixed release is available as of this review.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-11 16:48 UTC
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/tesseract-ocr/tesseract/securi… | x_refsource_CONFIRM |
| https://github.com/tesseract-ocr/tesseract/commit… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| tesseract-ocr | tesseract |
Affected:
<= 5.5.3
|
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CVE-2026-85084 (GCVE-0-2026-85084)
Vulnerability from cvelistv5 – Published: 2026-09-02 23:21 – Updated: 2026-09-03 13:14
VLAI
EPSS
VEX
Title
Out-of-bounds write in TizenFX MediaBufferBase indexer setter due to missing bounds check
Summary
Out-of-bounds Write and Improper Validation of Array Index vulnerability in Samsung Open Source TizenFX Samsung/TizenFX allows Overflow Buffers.
Severity
6.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-03 13:14 UTC
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/Samsung/TizenFX/pull/7814 | patch |
| https://github.com/Samsung/TizenFX/pull/7815 | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Samsung Open Source | TizenFX |
Unaffected:
a74b5e5dd6796f939af8dd90f77a7d9962d67df1
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CVE-2026-84445 (GCVE-0-2026-84445)
Vulnerability from cvelistv5 – Published: 2026-09-14 16:11 – Updated: 2026-09-14 16:36
VLAI
EPSS
VEX
Title
gRPC-Go: Denial of Service (DoS) via crash due to missing `:authority` and `Host` headers in the xDS servers
Summary
gRPC-Go is the Go language implementation of gRPC. Prior to 1.82.2 and 1.83.2, servers created with xds.NewGRPCServer() allow internal/transport/http2_server.go to accept an RPC containing neither the :authority header nor the Host header, while RouteAndProcess in internal/xds/server/routing.go assumes that an authority value exists and indexes the empty slice. A remote client that can complete transport connection establishment can trigger an index-out-of-bounds panic that is not recovered by the per-RPC goroutine and terminates the entire server process. In insecure or ordinary TLS deployments the request can be unauthenticated, while strict mTLS or ALTS deployments require valid transport credentials before the malformed RPC can reach the interceptor. This issue is fixed in versions 1.82.2 and 1.83.2.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-14 16:36 UTC
Assigner
References
10 references
| URL | Tags |
|---|---|
| https://github.com/grpc/grpc-go/security/advisori… | x_refsource_CONFIRM |
| https://github.com/grpc/grpc-go/issues/9354 | x_refsource_MISC |
| https://github.com/grpc/grpc-go/pull/9365 | x_refsource_MISC |
| https://github.com/grpc/grpc-go/pull/9366 | x_refsource_MISC |
| https://github.com/grpc/grpc-go/pull/9367 | x_refsource_MISC |
| https://github.com/grpc/grpc-go/commit/3822494d8e… | x_refsource_MISC |
| https://github.com/grpc/grpc-go/commit/8668b69c16… | x_refsource_MISC |
| https://github.com/grpc/grpc-go/commit/93e31b4854… | x_refsource_MISC |
| https://github.com/grpc/grpc-go/releases/tag/v1.82.2 | x_refsource_MISC |
| https://github.com/grpc/grpc-go/releases/tag/v1.83.2 | x_refsource_MISC |
Impacted products
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CVE-2026-82327 (GCVE-0-2026-82327)
Vulnerability from cvelistv5 – Published: 2026-08-28 14:21 – Updated: 2026-08-28 16:08
VLAI
EPSS
VEX
Title
Libsolv: libsolv: out-of-bounds write in repo_write() via unvalidated directory id from vertical/paged .solv filelist data
Summary
A flaw was found in libsolv, a dependency-resolution library used by RPM-based package managers such as dnf and zypper to work with .solv repository cache files. When libsolv rewrites a .solv cache file, it reads directory-id values from the file's compressed filelist data without validating that they fall within the expected range. A corrupted or specially crafted .solv cache file (for example, one left in a torn state after an unclean system shutdown) can cause an out-of-bounds memory write when a tool such as dnf, yum, or zypper next processes it. Successful exploitation is expected to result in a crash of the affected tool (denial of service); it is not expected to allow arbitrary code execution because the out-of-bounds write always stores a fixed, non-attacker-controlled value.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 16:07 UTC
CWE
- CWE-129 - Improper Validation of Array Index
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://access.redhat.com/security/cve/CVE-2026-82327 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2525602 | issue-trackingx_refsource_REDHAT |
Impacted products
8 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 |
cpe:/o:redhat:enterprise_linux:10
|
|
| 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
|
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9
|
|
| Red Hat | Red Hat Hardened Images |
cpe:/a:redhat:hummingbird:1
|
|
| Red Hat | Red Hat OpenShift Container Platform 4 |
cpe:/a:redhat:openshift:4
|
|
| Red Hat | Red Hat Satellite 6 |
cpe:/a:redhat:satellite:6
|
|
| Red Hat | Red Hat Update Infrastructure 4 for Cloud Providers |
cpe:/a:redhat:rhui:4::el8
|
Date Public
2026-08-28 14:00
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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.