Common Weakness Enumeration
CWE-787
Allowed-with-ReviewOut-of-bounds Write
Abstraction: Base · Status: Draft
The product writes data past the end, or before the beginning, of the intended buffer.
16133 vulnerabilities reference this CWE, most recent first.
CVE-2026-84854 (GCVE-0-2026-84854)
Vulnerability from cvelistv5 – Published: 2026-10-06 09:59 – Updated: 2026-10-06 11:12
VLAI
EPSS
VEX
Title
Out of Bound Write on WibuKey for Windows
Summary
In the WibuKey driver for Windows below Version 6.72, insufficient validation of user input when calculating the size of a kernel buffer could cause small amounts of data to be written outside the intended kernel buffer. This can lead to a system crash. Under unfavorable circumstances, adjacent kernel memory may be modified.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-06 11:10 UTC
CWE
- CWE-787 - Out-of-bounds write
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://cdn.wibu.com/fileadmin/wibu_downloads/sec… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| wibu-systems-ag | wibukey |
Affected:
0 , < 6.72
(custom)
cpe:2.3:a:wibu-systems-ag:wibukey:*:*:*:*:*:*:*:* |
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CVE-2026-84698 (GCVE-0-2026-84698)
Vulnerability from cvelistv5 – Published: 2026-09-02 00:37 – Updated: 2026-09-04 02:21
VLAI
EPSS
VEX
Title
PX4 Autopilot sd_bench Heap Buffer Overflow via Block Size
Summary
PX4 Autopilot contains a heap buffer overflow vulnerability in the sd_bench command that writes a four-byte block number into a user-supplied sized allocation. Attackers can invoke sd_bench with a block size below four bytes to overflow the heap buffer and potentially execute code or crash the system.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-04 02:19 UTC
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/PX4/PX4-Autopilot | product |
| https://github.com/PX4/PX4-Autopilot/issues/28373 | issue-tracking |
| https://github.com/PX4/PX4-Autopilot/blob/v1.17.0… | technical-description |
| https://www.vulncheck.com/advisories/px4-autopilo… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| PX4 | PX4-Autopilot |
Affected:
0 , ≤ 1.17.0
(semver)
cpe:2.3:a:px4:autopilot:*:*:*:*:*:*:*:* |
Date Public
2026-08-25 00:00
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CVE-2026-84444 (GCVE-0-2026-84444)
Vulnerability from cvelistv5 – Published: 2026-09-18 15:56 – Updated: 2026-09-22 14:50
VLAI
EPSS
VEX
Title
libheif uncompressed tiled image encoding allows out-of-bounds write
Summary
libheif is a HEIF and AVIF file format decoder and encoder. Prior to 1.23.2, when WITH_UNCOMPRESSED_CODEC is enabled, heif_context_add_image_tile() accepts an independently constructed tile whose component-plane dimensions do not match the tile geometry established by the prototype image. ImageItem_uncompressed::add_image_tile() passes that tile directly to unc_encoder::encode_tile(), which lacked the check_component_sizes() gate and sizes its output from the configured tile geometry while copying the tile's actual component-plane dimensions. An oversized component plane can therefore make unc_encoder_component_interleave::encode_tile() copy attacker-controlled data beyond the heap output buffer. This issue is fixed in version 1.23.2.
Severity
7.4 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-22 14:50 UTC
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/strukturag/libheif/security/ad… | x_refsource_CONFIRM |
| https://github.com/strukturag/libheif/commit/e650… | x_refsource_MISC |
| https://github.com/strukturag/libheif/releases/ta… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| strukturag | libheif |
Affected:
< 1.23.2
|
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CVE-2026-84383 (GCVE-0-2026-84383)
Vulnerability from cvelistv5 – Published: 2026-09-18 15:55 – Updated: 2026-09-18 16:11
VLAI
EPSS
VEX
Title
libheif: Heap buffer overflow in `scale_nearest_neighbor()` via duplicate Alpha planes from nested `iden`/`auxl` items
Summary
libheif is a HEIF and AVIF file format decoder and encoder. From 1.22.0 until 1.23.2, a crafted HEIF, HEIC, or AVIF item graph using nested iden and auxl references can make HeifPixelImage::transfer_channel_from_image_as() append duplicate Alpha planes with different bit depths to m_storage. HeifPixelImage::scale_nearest_neighbor() in libheif/image/pixelimage.cc allocates the destination Alpha plane using the first plane's 8-bit depth, then iterates a later 10-bit or 12-bit Alpha component and writes uint16_t samples into the same 8-bit allocation. The output geometry controls the overflow extent and the encoded sample values control the data written, allowing a remote file processed by heif_decode_image() to cause a heap out-of-bounds write. This issue is fixed in version 1.23.2.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-18 16:07 UTC
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/strukturag/libheif/security/ad… | x_refsource_CONFIRM |
| https://github.com/strukturag/libheif/commit/f4fb… | x_refsource_MISC |
| https://github.com/strukturag/libheif/releases/ta… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| strukturag | libheif |
Affected:
>= 1.22.0, < 1.23.2
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CVE-2026-83963 (GCVE-0-2026-83963)
Vulnerability from cvelistv5 – Published: 2026-09-22 18:57 – Updated: 2026-09-23 12:54
VLAI
EPSS
VEX
Title
Substance3D - Modeler | Out-of-bounds Write (CWE-787)
Summary
Substance3D - Modeler is affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-23 03:56 UTC
CWE
- CWE-787 - Out-of-bounds Write (CWE-787)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/substan… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | Substance3D - Modeler |
Affected:
0 , ≤ 1.22.6
(semver)
Unaffected: 1.22.8 (semver) |
Date Public
2026-09-22 17:00
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CVE-2026-83601 (GCVE-0-2026-83601)
Vulnerability from cvelistv5 – Published: 2026-09-22 17:00 – Updated: 2026-09-25 23:47
VLAI
EPSS
VEX
Title
Netdata: Streaming protocol dimension slot has no upper-bound guard, allowing integer overflow and out-of-bounds write
Summary
Netdata is an open source observability tool. Prior to 2.10.4, an authenticated child agent can send an oversized DIMENSION SLOT value that str2ull_encoded passes to pluginsd_rrddim_put_to_slot in src/plugins.d/pluginsd_internals.h without an upper bound. prd_array_create in src/database/rrdset-pluginsd-array.h can then wrap the size_t allocation calculation while retaining the original large array size, causing the subsequent initialization loop to write beyond the undersized heap allocation and crash the parent agent. This issue is fixed in version 2.10.4 and nightly build 2.10.0-782-nightly.
Severity
6.5 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-25 23:46 UTC
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/netdata/netdata/security/advis… | x_refsource_CONFIRM |
| https://github.com/netdata/netdata/pull/22598 | x_refsource_MISC |
| https://github.com/netdata/netdata/commit/034a774… | x_refsource_MISC |
| https://github.com/netdata/netdata/releases/tag/v2.10.4 | x_refsource_MISC |
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CVE-2026-82782 (GCVE-0-2026-82782)
Vulnerability from cvelistv5 – Published: 2026-09-14 06:42 – Updated: 2026-09-14 11:19
VLAI
EPSS
VEX
Summary
Out-of-bounds write vulnerability exists in CONPROSYS nano Series. Receiving a specially crafted request created and sent by a remote attacker may cause a denial-of-service (DoS) condition.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-14 11:06 UTC
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
2 references
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Contec Co., Ltd. | Remote I/O Coupler Unit (Server Type) CPSN-MCB271-* |
Affected:
0 , < 1.82
(semver)
|
|
| Contec Co., Ltd. | Remote I/O Coupler Unit (EtherNet/IP Adapter) CPSN-EOB471EI-[]1 |
Affected:
0 , < 1.02
(semver)
|
|
| Contec Co., Ltd. | Programmable Remote I/O Coupler Unit (Software PLC Type) CPSN-PCB271-S1-041 |
Affected:
0 , < 1.61
(semver)
|
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CVE-2026-82680 (GCVE-0-2026-82680)
Vulnerability from cvelistv5 – Published: 2026-08-31 10:45 – Updated: 2026-08-31 14:30
VLAI
EPSS
VEX
Title
D-Link DSM-G600 Multipart load_file.cgi out-of-bounds write
Summary
A weakness has been identified in D-Link DSM-G600 1.01. This affects an unknown function of the file /load_file.cgi of the component Multipart Handler. Executing a manipulation can lead to out-of-bounds write. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-31 14:30 UTC
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/397175 | vdb-entry |
| https://vuldb.com/vuln/397175/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-82680 | third-party-advisory |
| https://vuldb.com/submit/894188 | third-party-advisory |
| https://github.com/dxz0069/WAVLINK-WN530H4-Comman… | exploit |
| https://www.dlink.com/ | product |
Impacted products
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CVE-2026-82459 (GCVE-0-2026-82459)
Vulnerability from cvelistv5 – Published: 2026-10-02 11:32 – Updated: 2026-10-02 17:43
VLAI
EPSS
VEX
Title
Apache Thrift: Integer underflow in C++ THeaderTransport allows an unauthenticated remote peer to terminate a 32-bit process
Summary
Integer underflow (wrap or wraparound), Out-of-bounds write vulnerability in Apache Thrift C++ 32 bit THeaderTransport.
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: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-02 17:43 UTC
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/33otcgbqd27wf6qq8… | vendor-advisory |
| https://lists.apache.org/thread/zf8ppfpl6nqhp53sx… | 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-2026-82071 (GCVE-0-2026-82071)
Vulnerability from cvelistv5 – Published: 2026-09-08 16:12 – Updated: 2026-09-08 18:11
VLAI
EPSS
VEX
Title
Insufficient Validation of Storage Engine Configuration Options in MongoDB Server Leads to Out-of-Bounds Write
Summary
Insufficient validation of storage engine configuration options in MongoDB Server allows an authenticated user with write privileges to supply crafted parameters during collection creation that override internal storage metadata. This results in an out-of-bounds memory write in the server process, causing a denial of service via server crash, with potential for further impact including arbitrary code execution.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 18:11 UTC
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| MongoDB | MongoDB Server |
Affected:
8.3.0 , < 8.3.9
(semver)
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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, many languages that perform their own memory management, such as Java and Perl, are not subject to buffer overflows. Other languages, such as Ada and C#, typically provide overflow protection, but the protection can be disabled by the programmer.
- Be wary that a language's interface to native code may still be subject to overflows, even if the language itself is theoretically safe.
Mitigation MIT-4.1
Architecture and Design
Strategy: Libraries or Frameworks
- Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
- Examples include the Safe C String Library (SafeStr) by Messier and Viega [REF-57], and the Strsafe.h library from Microsoft [REF-56]. These libraries provide safer versions of overflow-prone string-handling functions.
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 MIT-9
Implementation
- Consider adhering to the following rules when allocating and managing an application's memory:
- Double check that the buffer is as large as specified.
- When using functions that accept a number of bytes to copy, such as strncpy(), be aware that if the destination buffer size is equal to the source buffer size, it may not NULL-terminate the string.
- Check buffer boundaries if accessing the buffer in a loop and make sure there is no danger of writing past the allocated space.
- If necessary, truncate all input strings to a reasonable length before passing them to the copy and concatenation functions.
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-13
Implementation
Replace unbounded copy functions with analogous functions that support length arguments, such as strcpy with strncpy. Create these if they are not available.
No CAPEC attack patterns related to this CWE.