Common Weakness Enumeration

CWE-787

Allowed-with-Review

Out-of-bounds Write

Abstraction: Base · Status: Draft

The product writes data past the end, or before the beginning, of the intended buffer.

3475 vulnerabilities reference this CWE, most recent first.

CVE-2026-69050 (GCVE-0-2026-69050)

Vulnerability from cvelistv5 – Published: 2026-11-05 02:40 – Updated: 2026-11-05 02:40
VLAI
Summary
Out-of-bounds memory access in a device driver due to improper resource state tracking.
Severity
No CVSS data available.
CWE
Assigner
Show details on NVD website

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CVE-2026-68991 (GCVE-0-2026-68991)

Vulnerability from cvelistv5 – Published: 2026-11-05 02:40 – Updated: 2026-11-05 02:40
VLAI
Summary
In the Samsung Exynos ENN NeuralNetworks HAL, improper input validation during request processing can cause memory corruption and lead to a denial of service condition.
Severity
No CVSS data available.
CWE
Assigner
Impacted products
Vendor Product Version
Samsung Semiconductor Exynos 1480 Affected: 0 , < November 2026 (date)
Create a notification for this product.
Samsung Semiconductor Exynos 2400 Affected: 0 , < November 2026 (date)
Create a notification for this product.
Show details on NVD website

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CVE-2026-68985 (GCVE-0-2026-68985)

Vulnerability from cvelistv5 – Published: 2026-11-05 02:41 – Updated: 2026-11-05 02:41
VLAI
Summary
In the Samsung Exynos NPU driver, improper validation of user input in the ioctl handler can lead to an out-of-bounds write, which causes a denial of service.
Severity
No CVSS data available.
CWE
Assigner
Impacted products
Show details on NVD website

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CVE-2026-68967 (GCVE-0-2026-68967)

Vulnerability from cvelistv5 – Published: 2026-08-27 20:50 – Updated: 2026-08-28 14:13
VLAI
Title
Out-of-bounds Write in Bendix EC80 Brake ECU
Summary
Bendix EC80 Brake ECU is vulnerable to an out-of-bounds write, which could allow an attacker to deliver a payload that could establish an arbitrary write primitive, which could crash the ECU.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 13:56 UTC
CWE
Assigner
icscert CNA
Impacted products
Vendor Product Version
Bendix EC80ESP+ J1708 Affected: Z228999
Unaffected: Z300822
Create a notification for this product.
Bendix EC80ESP+ 6S/6M Affected: Z228999
Unaffected: Z300822
Create a notification for this product.
Bendix EC80ESP+ PLC Affected: Z228999
Unaffected: Z300822
Create a notification for this product.
Bendix EC80ESP+ 2nd CAN Affected: Z228999
Unaffected: Z300822
Create a notification for this product.
Bendix EC80ESP+ Integrated TPMS Affected: Z228999
Unaffected: Z300822
Create a notification for this product.
Bendix EC80ESP 6S/6M Affected: Z266494
Unaffected: Z302578
Create a notification for this product.
Bendix EC80ESP PLC Affected: Z266494
Unaffected: Z302578
Create a notification for this product.
Bendix EC80ESP 2nd CAN Affected: Z266494
Unaffected: Z302578
Create a notification for this product.
Bendix EC80ESP CAN Gateway Affected: Z266494
Unaffected: Z302578
Create a notification for this product.
Bendix EC80ESP 4S/4M Affected: Z286098
Unaffected: Z302579
Create a notification for this product.
Bendix EC80ESP PLC Affected: Z286098
Unaffected: Z302579
Create a notification for this product.
Date Public
2026-08-25 14:28
Show details on NVD website

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CVE-2026-68806 (GCVE-0-2026-68806)

Vulnerability from cvelistv5 – Published: 2026-08-11 17:05 – Updated: 2026-10-30 17:20
VLAI
Title
Microsoft Excel Remote Code Execution Vulnerability
Summary
Out-of-bounds write in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-12 03:57 UTC
CWE
Assigner
microsoft CNA
References
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Apps for Enterprise Affected: 16.0.1 , < https://aka.ms/OfficeSecurityReleases (custom)
Create a notification for this product.
Microsoft Microsoft Excel 2016 Affected: 16.0.0.0 , < 16.0.5565.1001 (custom)
Create a notification for this product.
Microsoft Microsoft Office 2019 Affected: 19.0.0 , < https://aka.ms/OfficeSecurityReleases (custom)
Create a notification for this product.
Microsoft Microsoft Office 365 for Mac Affected: 1.0.0 , < 16.112.26081010 (custom)
Create a notification for this product.
Microsoft Microsoft Office LTSC 2021 Affected: 16.0.1 , < https://aka.ms/OfficeSecurityReleases (custom)
Create a notification for this product.
Microsoft Microsoft Office LTSC 2024 Affected: 16.0.0 , < https://aka.ms/OfficeSecurityReleases (custom)
Create a notification for this product.
Microsoft Microsoft Office LTSC for Mac 2021 Affected: 16.0.1 , < 16.112.26081010 (custom)
Create a notification for this product.
Microsoft Microsoft Office LTSC for Mac 2024 Affected: 16.0.0 , < 16.112.26081010 (custom)
Create a notification for this product.
Microsoft Office Online Server Affected: 16.0.0.0 , < 16.0.10417.20175 (custom)
Create a notification for this product.
Date Public
2026-08-11 14:00
Show details on NVD website

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CVE-2026-68589 (GCVE-0-2026-68589)

Vulnerability from cvelistv5 – Published: 2026-11-02 02:34 – Updated: 2026-11-03 04:55
VLAI
Summary
In Modem, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: MOLY01320076; Issue ID: MSV-6889.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-02 00:00 UTC
CWE
Assigner
MediaTek CNA
Impacted products
Vendor Product Version
MediaTek, Inc. MediaTek chipset Affected: MT2716
Affected: MT2735
Affected: MT2737
Affected: MT6813
Affected: MT6815
Affected: MT6833
Affected: MT6835
Affected: MT6853
Affected: MT6855
Affected: MT6858
Affected: MT6873
Affected: MT6875
Affected: MT6877
Affected: MT6878
Affected: MT6879
Affected: MT6880
Affected: MT6881
Affected: MT6883
Affected: MT6885
Affected: MT6886
Affected: MT6889
Affected: MT6890
Affected: MT6891
Affected: MT6893
Affected: MT6895
Affected: MT6896
Affected: MT6897
Affected: MT6899
Affected: MT6980
Affected: MT6982
Affected: MT6983
Affected: MT6985
Affected: MT6986
Affected: MT6988
Affected: MT6989
Affected: MT6990
Affected: MT6991
Affected: MT6993
Affected: MT8668
Affected: MT8676
Affected: MT8678
Affected: MT8755
Affected: MT8771
Affected: MT8775
Affected: MT8791
Affected: MT8791T
Affected: MT8792
Affected: MT8793
Affected: MT8796
Affected: MT8797
Affected: MT8798
Affected: MT8863
Affected: MT8873
Affected: MT8875
Affected: MT8883
Affected: MT8893
Create a notification for this product.
Show details on NVD website

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CVE-2026-68579 (GCVE-0-2026-68579)

Vulnerability from cvelistv5 – Published: 2026-08-02 12:15 – Updated: 2026-08-03 15:37
VLAI
Title
FreeRDP before 3.30.0 Heap Overflow via CliprdrStream_Read
Summary
FreeRDP before 3.30.0 (<= 3.29.0) contains a heap-based buffer overflow in the Windows clipboard client's CliprdrStream_Read function (client/Windows/wf_cliprdr.c). When an OLE paste consumer (e.g. explorer.exe) calls IStream::Read with a fixed-size buffer of cb bytes, CliprdrStream_Read requests file contents from the RDP server and then copies the response into the caller's buffer using the server-supplied length (req_fsize) instead of cb. A malicious or compromised RDP server can return an oversized CB_FILECONTENTS_RESPONSE, causing an out-of-bounds write of attacker-controlled data into the paste consumer's heap buffer when a user pastes server-offered clipboard file contents.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-03 15:00 UTC
CWE
Assigner
VulnCheck CNA
Impacted products
Vendor Product Version
FreeRDP FreeRDP Affected: 0 , < 3.30.0 (semver)
Unaffected: 3.30.0 (semver)
    cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-07-20 00:00
Show details on NVD website

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CVE-2026-68516 (GCVE-0-2026-68516)

Vulnerability from cvelistv5 – Published: 2026-08-24 22:08 – Updated: 2026-08-25 14:25
VLAI
Title
OpenEXR: HTJ2K SIZ image-offset gap stack buffer overflow
Summary
OpenEXR is the reference implementation and specification for the EXR image format, widely used in the motion picture industry. From version 3.4.0 through 3.4.13, a crafted HTJ2K-compressed EXR can crash OpenEXR during normal decode. An HTJ2K-compressed EXR whose JPEG 2000 SIZ fields place the first tile outside the visible image can reach invalid tile and codeblock geometry in the vendored OpenJPH AVX2 decoder, causing a stack out-of-bounds write and denial of service. OpenEXR's HTJ2K path validates the decoded codestream dimensions against the EXR chunk size, but it does not reject SIZ image-offset/tile-grid geometry where the first tile does not intersect the image. This issue is fixed in version 3.4.14.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-25 14:25 UTC
CWE
Assigner
GitHub_M CNA
Impacted products
Vendor Product Version
AcademySoftwareFoundation openexr Affected: >= 3.4.0, < 3.4.14
Create a notification for this product.
Show details on NVD website

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CVE-2026-68515 (GCVE-0-2026-68515)

Vulnerability from cvelistv5 – Published: 2026-08-25 19:34 – Updated: 2026-08-26 14:47
VLAI
Title
OpenEXR: Heap out-of-bounds write in exrmultiview with subsampled channel union
Summary
OpenEXR is the reference implementation and specification for the EXR image format, widely used in the motion picture industry. In versions before 3.2.11, 3.3.0 through 3.3.12, and 3.4.0 through 3.4.13, exrmultiview can write past a heap allocation when it combines two attacker-supplied, individually valid scanline EXR files whose union dataWindow is not aligned to one view's channel subsampling. The utility allocates sampled channel storage using a truncated union_width / xSampling, then reads the sampled input through a Slice based on the misaligned union window, producing a heap out-of-bounds write. The trigger is normal public-tool processing, such as exrmultiview left A.exr right B.exr out.exr with crafted but valid inputs, so this is not solely an API or caller-precondition issue. This issue is fixed in versions 3.2.11, 3.3.13, and 3.4.14.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-26 14:46 UTC
CWE
Assigner
GitHub_M CNA
Impacted products
Vendor Product Version
AcademySoftwareFoundation openexr Affected: >= 3.3.0, < 3.3.13
Affected: >= 3.4.0, < 3.4.14
Affected: < 3.2.11
Create a notification for this product.
Show details on NVD website

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CVE-2026-68514 (GCVE-0-2026-68514)

Vulnerability from cvelistv5 – Published: 2026-08-25 19:40 – Updated: 2026-08-26 12:45
VLAI
Title
OpenEXR: Heap buffer overflow in PyOpenEXR from literal/prefixed RGB channel name collision in deep images
Summary
OpenEXR is the reference implementation and specification for the EXR image file format, widely used in the motion picture industry. In versions 3.3.0 through 3.3.12 and 3.4.0 through 3.4.13, the PyOpenEXR Python bindings contain a heap out-of-bounds write triggered when reading a crafted deep scanline EXR file. When a deep file declares a literal channel named left alongside layer-prefixed RGB channels left.R, left.G, and left.B, the wrapper processes the literal left channel first and allocates a scalar deep sample array for it, then reuses that same array as the coalesced destination for the prefixed RGB group. The deep reader registers sample slices with an RGB stride (three lanes) into storage that was allocated with scalar shape, so decoding the deep samples writes past the allocation. Opening such a file through the default public Python API, OpenEXR.File(path), causes a heap buffer overflow during normal deep sample decode, leading to memory corruption and a crash. This issue is fixed in versions 3.3.13 and 3.4.14.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-26 12:44 UTC
CWE
Assigner
GitHub_M CNA
Impacted products
Vendor Product Version
AcademySoftwareFoundation openexr Affected: >= 3.3.0, < 3.3.13
Affected: >= 3.4.0, < 3.4.14
Create a notification for this product.
Show details on NVD website

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              "description": "CWE-787: Out-of-bounds Write",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-25T19:40:04.340Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-mw28-66qc-c883",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-mw28-66qc-c883"
        },
        {
          "name": "https://github.com/AcademySoftwareFoundation/openexr/commit/c1f3ec0d91cfa5a8035ecd00920835ac76e01640",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/AcademySoftwareFoundation/openexr/commit/c1f3ec0d91cfa5a8035ecd00920835ac76e01640"
        },
        {
          "name": "https://github.com/AcademySoftwareFoundation/openexr/commit/d134e3cd81a2e343f2919e86bf949f576b1ab16a",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/AcademySoftwareFoundation/openexr/commit/d134e3cd81a2e343f2919e86bf949f576b1ab16a"
        }
      ],
      "source": {
        "advisory": "GHSA-mw28-66qc-c883",
        "discovery": "UNKNOWN"
      },
      "title": "OpenEXR: Heap buffer overflow in PyOpenEXR from literal/prefixed RGB channel name collision in deep images"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-68514",
    "datePublished": "2026-08-25T19:40:04.340Z",
    "dateReserved": "2026-07-30T16:19:08.082Z",
    "dateUpdated": "2026-08-26T12:45:20.665Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.