Common Weakness Enumeration

CWE-787

Allowed-with-Review

Out-of-bounds Write

Abstraction: Base · Status: Draft

API response cwe.mitre.org

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

16074 vulnerabilities reference this CWE, most recent first.

CVE-2026-91804 (GCVE-0-2026-91804)

Vulnerability from cvelistv5 – Published: 2026-09-23 07:50 – Updated: 2026-09-23 14:42
VLAI
Title
Foxit PDF Editor/Reader Out-of-bounds Write Vulnerability While Rendering
Summary
A heap-based out-of-bounds write vulnerability exists in Foxit PDF Editor/Reader’s rendering of Circle annotations with malformed Cloudy appearance streams in specially crafted PDF files. Insufficient validation of the appearance geometry can result in memory corruption and application crashes.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-23 14:41 UTC
CWE
  • CWE-787 - Out-of-bounds Write (CWE-787)
Assigner
References
Impacted products
Vendor Product Version
Foxit Software Inc. Foxit PDF Editor Affected: Versions 2026.2 and earlier
Affected: Versions 14.0.7 and earlier
Affected: Versions 13.2.6 and earlier
Create a notification for this product.
Foxit Software Inc. Foxit PDF Reader Affected: Versions 2026.2 and earlier
Create a notification for this product.
Credits
Xupeng
Show details on NVD website
To clipboard 

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CVE-2026-91802 (GCVE-0-2026-91802)

Vulnerability from cvelistv5 – Published: 2026-09-23 07:50 – Updated: 2026-09-23 14:43
VLAI
Title
Foxit PDF Editor/Reader — Heap Buffer Overflow in WebP Image Decoding via Bitmap Stride Confusion
Summary
A heap-based out-of-bounds write vulnerability exists in Foxit PDF Editor/Reader’s WebP image decoding due to improper handling of bitmap stride and target buffer formats. Successful exploitation could result in an application crash.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-23 14:42 UTC
CWE
  • CWE-787 - Out-of-bounds Write (CWE-787)
Assigner
References
Impacted products
Vendor Product Version
Foxit Software Inc. Foxit PDF Editor Affected: Versions 2026.2 and earlier
Affected: Versions 14.0.7 and earlier
Create a notification for this product.
Foxit Software Inc. Foxit PDF Reader Affected: Versions 2026.2 and earlier
Create a notification for this product.
Credits
Liang Zhu
Show details on NVD website
To clipboard 

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CVE-2026-91794 (GCVE-0-2026-91794)

Vulnerability from cvelistv5 – Published: 2026-09-23 07:51 – Updated: 2026-09-23 14:47
VLAI
Title
Foxit PDF Editor/Reader DeviceN Colorspace Out-Of-Bounds Write Remote Code Execution Vulnerability
Summary
An out-of-bounds write vulnerability exists in the PDF rendering process of Foxit PDF Editor/Reader due to insufficient consistency and boundary validation when processing malformed color space data, which may cause the program to crash and potentially lead to remote code execution.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-23 14:46 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
Foxit Software Inc. Foxit PDF Editor Affected: Versions 2026.2 and earlier
Affected: Versions 14.0.7 and earlier
Affected: Versions 13.2.6 and earlier
Create a notification for this product.
Foxit Software Inc. Foxit PDF Reader Affected: Versions 2026.2 and earlier
Create a notification for this product.
Credits
Liang Zhu working with TrendAI Zero Day Initiative
Show details on NVD website
To clipboard 

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CVE-2026-91789 (GCVE-0-2026-91789)

Vulnerability from cvelistv5 – Published: 2026-09-23 07:49 – Updated: 2026-09-23 14:14
VLAI
Title
Foxit PDF Editor/Reader U3D File Parsing Integer Overflow Remote Code Execution Vulnerability
Summary
Foxit PDF Editor/Reader’s U3D/GIF texture decoding path contained insufficient validation of image dimensions and related size information. Under certain conditions, this could lead to an incorrectly sized memory allocation and a subsequent out-of-bounds write during pixel processing, potentially resulting in remote code execution.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-23 14:14 UTC
CWE
  • CWE-787 - Out-of-bounds Write (CWE-787)
Assigner
References
Impacted products
Vendor Product Version
Foxit Software Inc. Foxit PDF Editor Affected: Versions 2026.2 and earlier
Affected: Versions 14.0.7 and earlier
Affected: Versions 13.2.6 and earlier
Create a notification for this product.
Foxit Software Inc. Foxit PDF Reader Affected: Versions 2026.2 and earlier
Create a notification for this product.
Credits
Liang Zhu working with TrendAI Zero Day Initiative
Show details on NVD website
To clipboard 

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CVE-2026-91142 (GCVE-0-2026-91142)

Vulnerability from cvelistv5 – Published: 2026-09-18 16:44 – Updated: 2026-09-18 17:09
VLAI
Title
Cockpit: integer overflow in `do_lastlog()` offset calculation can misaddress `lastlog` entries on ilp32 builds
Summary
A flaw was found in Cockpit. An integer overflow vulnerability in the `do_lastlog()` function, specifically in the offset calculation for `lastlog` entries on ILP32 (Integer, Long, Pointer 32-bit) builds, can be exploited. A low-privileged authenticated user with a specially provisioned large User ID (UID) can cause the computed offset to wrap around. This allows the user to perform unauthorized reads and writes to other users' `lastlog` records, potentially disclosing or altering sensitive login accounting information.
Severity
3.6 (Low)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-18 17:09 UTC
CWE
Assigner
References
URL Tags
https://access.redhat.com/security/cve/CVE-2026-91142 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2479459 issue-trackingx_refsource_REDHAT
Impacted products
Date Public
2026-09-18 16:27
Credits
This issue was discovered by Found by AISLE in partnership with Red Hat.
Show details on NVD website
To clipboard 

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CVE-2026-91097 (GCVE-0-2026-91097)

Vulnerability from cvelistv5 – Published: 2026-09-16 18:39 – Updated: 2026-09-17 13:41
VLAI
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
7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-17 11:56 UTC
CWE
Assigner
References
Impacted products
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:*:*:*:*:*
Create a notification for this product.
Credits
Trung Nguyen (@everping) of CyStack Nir Yehoshua, Cipher Security Labs
Show details on NVD website
To clipboard 

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CVE-2026-90949 (GCVE-0-2026-90949)

Vulnerability from cvelistv5 – Published: 2026-09-14 13:20 – Updated: 2026-10-01 09:59
VLAI
Title
Gimp: gimp: heap-based buffer overflow in psp loader due to selection-channel geometry mismatch
Summary
A flaw was found in GIMP's PSP (Paint Shop Pro) file loader. When processing a compressed selection channel, a heap-based buffer overflow can occur due to a mismatch between the allocated buffer size and the amount of data decompressed. A remote attacker could exploit this vulnerability by crafting a malicious PSP file. Opening this file in GIMP could lead to a crash or arbitrary code execution.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-16 15:01 UTC
CWE
Assigner
References
Impacted products
Date Public
2026-09-14 12:34
Credits
Red Hat would like to thank hoyong jin for reporting this issue.
Show details on NVD website
To clipboard 

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CVE-2026-90948 (GCVE-0-2026-90948)

Vulnerability from cvelistv5 – Published: 2026-09-14 13:20 – Updated: 2026-09-15 13:57
VLAI
Title
Gimp: gimp: heap-based buffer overflow in ico loader via integer overflow in embedded png dimensions
Summary
A flaw was found in GIMP's ICO file loader. When processing an ICO file containing an embedded PNG image, an integer overflow can occur during the calculation of the required buffer size. This leads to an undersized buffer being allocated, causing a heap-based buffer overflow when the decoded pixel data is written. A remote attacker could exploit this by crafting a malicious ICO file, which, when opened, could lead to arbitrary code execution or a crash.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 13:26 UTC
CWE
Assigner
References
Impacted products
Date Public
2026-09-14 12:03
Credits
Red Hat would like to thank hoyong jin for reporting this issue.
Show details on NVD website
To clipboard 

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CVE-2026-90947 (GCVE-0-2026-90947)

Vulnerability from cvelistv5 – Published: 2026-09-14 15:15 – Updated: 2026-09-17 18:31
VLAI
Title
Gimp: gimp: out-of-bounds write in lighting effects plugin via crafted preset file
Summary
A flaw was found in GIMP. When processing a specially crafted lighting preset file, the Lighting Effects filter does not properly validate the number of light sources. This can lead to an out-of-bounds write, corrupting memory. An attacker could exploit this by convincing a user to open a malicious preset file, potentially causing a crash or enabling arbitrary code execution.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-17 18:30 UTC
CWE
Assigner
References
Impacted products
Date Public
2026-09-14 11:52
Credits
Red Hat would like to thank Harsh Verma for reporting this issue.
Show details on NVD website
To clipboard 

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CVE-2026-90559 (GCVE-0-2026-90559)

Vulnerability from cvelistv5 – Published: 2026-09-12 18:06 – Updated: 2026-09-14 18:16
VLAI
Title
snappy-java through 1.1.10.8 Out-of-Bounds Write via uncompress
Summary
snappy-java through 1.1.10.8 contains an out-of-bounds write vulnerability in Snappy.uncompress(ByteBuffer, ByteBuffer) because destination buffer capacity is never validated against decompressed size. Attackers can supply valid compressed data that decompresses larger than the destination buffer, causing writes past buffer boundaries and JVM termination.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-14 17:06 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
xerial snappy-java Affected: 0 , ≤ 1.1.10.8 (custom)
    cpe:2.3:a:xerial:snappy-java:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-08-14 00:00
Credits
Yu Bao, PayPal Cyber Security Team
Show details on NVD website
To clipboard 

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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.

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