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.

16431 vulnerabilities reference this CWE, most recent first.

CVE-2026-102730 (GCVE-0-2026-102730)

Vulnerability from cvelistv5 – Published: 2026-09-29 17:59 – Updated: 2026-09-29 18:25
VLAI
Summary
Mounting an attacker-controlled NAND flash image (`lx_nand_flash_open()`) triggers an unbounded out-of-bounds heap **write** in LevelX's NAND flash-translation-layer metadata parser that overwrites a driver function pointer in the control block, giving a demonstrated control-flow hijack — RIP set to a full 8-byte attacker-chosen value (register-verified). Two accompanying OOB reads. All reproduced verbatim under ASan at HEAD `9f1cfdc`. (The affected metadata-parser header states "Some portions generated by Copilot (Sonnet 4.6)" — an AI-generated parser with an unchecked on-flash count.)
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 18:24 UTC
CWE
  • CWE-787 - Out-of-bounds Write
  • CWE-1284 - Improper Validation of Specified Quantity in Input
Assigner
eclipse CNA under the mitre root
CNA scorecard C 63/100 over 146 records in the last 180 days details
Impacted products
Vendor Product Version
Eclipse Foundation eclipse-threadx/levelx(NAND driver) Affected: HEAD `9f1cfdc` and prior; Finding 1 introduced by commit `47b2a17d`; Finding 2 is the un-patched half of the Nov-2025 fix `0f7dd521`. (custom)
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Credits
Show details on NVD website

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CVE-2026-102729 (GCVE-0-2026-102729)

Vulnerability from cvelistv5 – Published: 2026-09-29 17:58 – Updated: 2026-09-29 18:26
VLAI
Summary
`gx_binres_theme_load()` sizes its theme buffer for the theme it was asked for, and allocates it even when the resource holds no theme with that id. A theme id at or past the theme count declared by the resource gets a buffer of zero bytes. The load pass then walks past the end of the theme table, takes whatever follows as a theme header, and writes a `GX_THEME` and its tables into that zero-byte buffer.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 18:25 UTC
CWE
  • CWE-131 - Incorrect Calculation of Buffer Size
  • CWE-787 - Out-of-bounds Write
Assigner
eclipse CNA under the mitre root
CNA scorecard C 63/100 over 146 records in the last 180 days details
Impacted products
Vendor Product Version
Eclipse Foundation GUIX Affected: 0 , ≤ 6.5.1.202602a (semver)
Unaffected: 6.5.2.202603
Create a notification for this product.
Credits
Show details on NVD website

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CVE-2026-102715 (GCVE-0-2026-102715)

Vulnerability from cvelistv5 – Published: 2026-09-29 17:42 – Updated: 2026-09-29 18:42
VLAI
Title
mDNS string-cache lookup matches on slot size, so a peer name aliases a shorter one and the response encoder writes past the packet
Summary
Any host on the LAN can send two mDNS records and make the responder write past the end of its transmit packet. The string table stores each name in a slot rounded up to a multiple of four: ```c /* addons/mdns/nxd_mdns.c:11436, 11443, 11447 */ memory_len = ((memory_len & 0xFFFFFFFC) + 8) & 0xFFFFFFFF; ... len = *((USHORT*)(p - 2)); /* slot size, not string length */ if ((len == memory_len) && ... _nx_mdns_name_match(start, memory_ptr, memory_size) ...) ``` The lookup that decides whether an incoming name is already stored compares the rounded slot size, so names of 12, 13, 14 and 15 characters share one bucket. A second name in the bucket is answered with the pointer to the first, and the record then carries a string up to three bytes longer than the length the caller accounted for. `_nx_mdns_packet_rr_add` (nxd_mdns.c:8911) sizes its only bound check from that stale length, and `_nx_mdns_name_string_encode` writes the real string. Two PTR records are enough, both ordinary mDNS responses to a `_http._tcp` query, with owner names whose lengths fall in the same bucket: ``` ==87491==ERROR: AddressSanitizer: heap-buffer-overflow WRITE of size 1 at 0x611000000124 thread T5 #0 _nx_mdns_name_string_encode addons/mdns/nxd_mdns.c:13096 #1 _nx_mdns_packet_rr_add addons/mdns/nxd_mdns.c:8911 0x611000000124 is 0 bytes to the right of 228-byte region ``` The overflow is one to three bytes of attacker-influenced name data past `nx_packet_data_end`. In a normal pool that lands in the next packet in the same pool rather than in a redzone, so the visible effect is a corrupted neighbouring packet or a corrupted pool free list rather than a clean crash. Compare the slot size against the stored string length before declaring a match, or keep the string length in the slot header and return it to the caller so the encoder and the bound check agree.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 18:41 UTC
CWE
Assigner
eclipse CNA under the mitre root
CNA scorecard C 63/100 over 146 records in the last 180 days details
Impacted products
Vendor Product Version
Eclipse Foundation eclipse-threadx/netxduo Affected: 0 , ≤ 6.5.1 (semver)
Create a notification for this product.
Credits
Show details on NVD website

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CVE-2026-102692 (GCVE-0-2026-102692)

Vulnerability from cvelistv5 – Published: 2026-10-16 16:48 – Updated: 2026-10-16 21:20
VLAI
Title
RIOT: Potential integer overflow in nanocoap Block2 handling leading to out-of-bounds memory access
Summary
RIOT is an open-source microcontroller operating system designed for Internet of Things devices and other embedded systems. Prior to 2026.07, nanocoap accepts oversized CoAP Block2 option values without enforcing the 20-bit maximum block number, allowing block offset multiplication to overflow on 32-bit targets. The affected master baseline is commit aeeae69e; the verified fix is later on master and remains unreleased. The oversized value passes from coap_get_blockopt() to coap_block_slicer_init(). A remote CoAP client can send a malformed Block2 option that produces an invalid slice range and can cause out-of-bounds memory access, denial of service, or memory corruption. This vulnerability is fixed in 2026.07.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-16 20:52 UTC
CWE
  • CWE-190 - Integer Overflow or Wraparound
  • CWE-787 - Out-of-bounds Write
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7771 records in the last 180 days details
Impacted products
Vendor Product Version
RIOT-OS RIOT Affected: < 2026.07
Create a notification for this product.
Show details on NVD website

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CVE-2026-102566 (GCVE-0-2026-102566)

Vulnerability from cvelistv5 – Published: 2026-09-29 14:22 – Updated: 2026-09-29 14:49
VLAI
Title
CTranslate2 before 4.8.1 Heap Buffer Overflow via model.bin
Summary
CTranslate2 before 4.8.1 contains a heap-based buffer overflow in the binary model loader that fails to validate payload length against allocated buffer size. Attackers can craft malicious model files with oversized payload lengths to write past heap allocation boundaries, causing crashes or arbitrary code execution.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 14:48 UTC
CWE
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6373 records in the last 180 days details
Impacted products
Vendor Product Version
OpenNMT CTranslate2 Affected: 0 , < 4.8.1 (semver)
Unaffected: 4.8.1 (semver)
Create a notification for this product.
Date Public
2026-07-02 00:00
Show details on NVD website

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CVE-2026-102514 (GCVE-0-2026-102514)

Vulnerability from cvelistv5 – Published: 2026-10-01 20:00 – Updated: 2026-10-14 16:50 X_Open Source
VLAI
Title
Out-of-bounds write in PeaZip PEA extractor allows code execution via a crafted .pea archive
Summary
Out-of-bounds Write (CWE-787) in the PEA archive extraction routine (pea.pas, unpea_procedure) of the first-party pea component in PeaZip 11.2.0 and earlier allows an attacker who convinces a victim to open or extract a crafted .pea archive to execute arbitrary code as the user running PeaZip. While decompressing a PCOMPRESS1 stream, the 32-bit compressed-block-size field of the first block (compsize) is read directly from the archive and used without validation as the length of a blockread into the fixed-size global buffers wbuf1/wbuf2 (1,114,112 bytes) and as the bound of the subsequent copy loop. The existing check "compsize > WBUFSIZE" is applied only to the size of each following block, so the first block escapes it; the same unvalidated value is also used to index wbuf1[compsize], an out-of-bounds read at an attacker-chosen offset. The copy loop additionally copies the requested length instead of the number of bytes actually read, and terminates on equality rather than on an upper bound. Because the project is built without range checking and no archive password, integrity tag or non-default configuration is required, the overflow overwrites adjacent global data; code execution was demonstrated by two independent researchers against the official Linux x86-64 and Windows x64 builds, and the denial-of-service and memory-corruption primitive is cross-platform (Windows, macOS, Linux, BSD).
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 20:24 UTC
CWE
  • CWE-787 - Out-of-bounds Write
  • CWE-125 - Out-of-bounds Read
  • CWE-1284 - Improper Validation of Specified Quantity in Input
Assigner
Secur0 CNA under the INCIBE root
CNA scorecard A 99/100 over 41 records in the last 180 days details
References
Impacted products
Vendor Product Version
PeaZip PeaZip Affected: 0 , < 11.3.0 (semver)
    cpe:2.3:a:peazip:peazip:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-08-27 00:00
Show details on NVD website

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CVE-2026-102474 (GCVE-0-2026-102474)

Vulnerability from cvelistv5 – Published: 2026-09-29 09:23 – Updated: 2026-09-29 15:53
VLAI
Title
Dash: dash: heap out-of-bounds write in conv_escape via undersized unicode escape reservation
Summary
A flaw was found in dash. The printf builtin reserves four bytes before converting a Unicode \u or \U escape, but the multi-byte token can need five or six bytes. A local user who can supply such an escape to dash printf or echo %b, including through dash -c and a positional argument, can write one or two bytes past that reservation.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 15:52 UTC
CWE
Assigner
redhat CNA under the redhat root
CNA scorecard B 82/100 over 1036 records in the last 180 days details
References
URL Tags
https://access.redhat.com/security/cve/CVE-2026-102474 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2543004 issue-trackingx_refsource_REDHAT
Impacted products
Vendor Product Version
Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
Create a notification for this product.
Date Public
2026-09-29 00:00
Show details on NVD website

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CVE-2026-102179 (GCVE-0-2026-102179)

Vulnerability from cvelistv5 – Published: 2026-10-14 16:57 – Updated: 2026-10-14 20:26
VLAI
Title
Junos OS and Junos OS Evolved: An attacker causes a routing daemon crash when BGP EVPN RIB telemetry is used
Summary
An Out-of-bounds Write vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an attacker with access to a configured BGP EVPN peer to cause a denial of service via BGP EVPN route processing when the l2vpn-evpn RIB telemetry sensor is subscribed. Successful exploitation can crash rpd and interrupt routing protocols until the daemon restarts and reconverges.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-14 19:49 UTC
CWE
Assigner
juniper CNA under the mitre root
CNA scorecard B 85/100 over 175 records in the last 180 days details
References
Impacted products
Vendor Product Version
Juniper Networks Junos OS Affected: 0 , < 23.2R2-S7.7 (custom)
Affected: 23.4 , < 23.4R2-S8.13 (custom)
Affected: 24.2 , < 24.2R2-S5.5 (custom)
Affected: 24.4 , < 24.4R2-S5 (custom)
Affected: 25.2 , < 25.2R2-S2 (custom)
Affected: 25.4 , < 25.4R1-S3 (custom)
Affected: 26.2 , < 26.2R1-S2 (custom)
Create a notification for this product.
Juniper Networks Junos OS Evolved Affected: 0 , < 23.2R2-S7.7-EVO (custom)
Affected: 23.4 , < 23.4R2-S8.11-EVO (custom)
Affected: 24.2 , < 24.2R2-S5.6-EVO (custom)
Affected: 24.4 , < 24.4R2-S5-EVO (custom)
Affected: 25.2 , < 25.2R2-S2-EVO (custom)
Affected: 25.4 , < 25.4R1-S3-EVO (custom)
Affected: 26.2 , < 26.2R1-S2-EVO (custom)
Affected: 23.4X100 (custom)
Affected: 25.2X100 , < 25.2X100-D35-EVO (custom)
Affected: 25.4X300 , < 25.4X300-D40-EVO (custom)
Create a notification for this product.
Date Public
2026-10-14 16:00
Show details on NVD website

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CVE-2026-102177 (GCVE-0-2026-102177)

Vulnerability from cvelistv5 – Published: 2026-10-14 16:56 – Updated: 2026-10-14 20:26
VLAI
Title
Junos OS and Junos OS Evolved: An out-of-bounds write causes an rpd crash when IS-IS backup selection is used
Summary
An Out-of-bounds Write vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent unauthenticated attacker to cause a denial of service when IS-IS link protection and backup-selection are configured.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-14 19:49 UTC
CWE
Assigner
juniper CNA under the mitre root
CNA scorecard B 85/100 over 175 records in the last 180 days details
References
Impacted products
Vendor Product Version
Juniper Networks Junos OS Affected: 0 , < 23.2R2-S7.7 (custom)
Affected: 23.4 , < 23.4R2-S8.13 (custom)
Affected: 24.2 , < 24.2R2-S5.5 (custom)
Affected: 24.4 , < 24.4R2-S5 (custom)
Affected: 25.2 , < 25.2R2-S2 (custom)
Affected: 25.4 , < 25.4R1-S3 (custom)
Affected: 26.2 , < 26.2R1-S2 (custom)
Create a notification for this product.
Juniper Networks Junos OS Evolved Affected: 0 , < 23.2R2-S7.7-EVO (custom)
Affected: 23.4 , < 23.4R2-S8.11-EVO (custom)
Affected: 24.2 , < 24.2R2-S5.6-EVO (custom)
Affected: 24.4 , < 24.4R2-S5-EVO (custom)
Affected: 25.2 , < 25.2R2-S2-EVO (custom)
Affected: 25.4 , < 25.4R1-S3-EVO (custom)
Affected: 26.2 , < 26.2R1-S2-EVO (custom)
Affected: 23.4X100 (custom)
Affected: 25.2X100 , < 25.2X100-D35-EVO (custom)
Affected: 25.4X300 , < 25.4X300-D40-EVO (custom)
Create a notification for this product.
Date Public
2026-10-14 16:00
Show details on NVD website

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CVE-2026-102163 (GCVE-0-2026-102163)

Vulnerability from cvelistv5 – Published: 2026-10-06 19:40 – Updated: 2026-10-06 20:07
VLAI
Title
Security Advisory 0195
Summary
On affected Arista access points with Wireless Intrusion Prevention System (WIPS) active, an unauthenticated attacker within radio frequency (RF) proximity can send a crafted frame to crash the sensor service, disabling WIPS monitoring on the access point, or potentially achieve remote code execution. No wireless association or authentication is required.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-06 20:07 UTC
CWE
Assigner
Arista CNA under the mitre root
CNA scorecard B 87/100 over 89 records in the last 180 days details
References
Impacted products
Vendor Product Version
Arista Networks Wi-Fi Access Points Affected: 22.0.0 , ≤ 22.0.1F-32 (custom)
Affected: 21.3.0 , ≤ 21.3.0M-13 (custom)
Affected: 1.0.0 , < 21.3.0 (custom)
Create a notification for this product.
Show details on NVD website

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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.