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.
16022 vulnerabilities reference this CWE, most recent first.
CVE-2026-103111 (GCVE-0-2026-103111)
Vulnerability from cvelistv5 – Published: 2026-09-30 04:13 – Updated: 2026-09-30 04:13
VLAI
EPSS
VEX
Summary
PCRE2 before 10.49, when there is an attacker-controlled regular expression and certain JIT API usage, allows an out-of-bounds write with arbitrary data.
Severity
7.6 (High)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
1 reference
Impacted products
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CVE-2026-103110 (GCVE-0-2026-103110)
Vulnerability from cvelistv5 – Published: 2026-09-30 03:03 – Updated: 2026-09-30 03:03
VLAI
EPSS
VEX
Summary
Pexip Infinity before 38.2, plus 39.0, 39.1 and 40.0, is affected by improper input validation that allows a remote attacker to execute code remotely as an unprivileged user on a Pexip Infinity Conferencing Node.
Severity
9.8 (Critical)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Pexip | Infinity |
Affected:
0 , < 38.2.0
(semver)
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CVE-2026-103109 (GCVE-0-2026-103109)
Vulnerability from cvelistv5 – Published: 2026-09-30 02:59 – Updated: 2026-09-30 02:59
VLAI
EPSS
VEX
Summary
Pexip Infinity before 38.2, plus 39.0, 39.1 and 40.0, is affected by improper input validation in the media implementation that allows a remote attacker to trigger memory corruption or a software abort resulting in a denial of service. A crafted media stream may result in a controlled abort during processing, and has the potential to achieve memory corruption.
Severity
7.7 (High)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Pexip | Infinity |
Affected:
0 , < 38.2.0
(semver)
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CVE-2026-102761 (GCVE-0-2026-102761)
Vulnerability from cvelistv5 – Published: 2026-09-29 17:30 – Updated: 2026-09-29 17:30
VLAI
EPSS
VEX
Summary
NetX Duo's WebSocket client resets the unmasking cursor to the first `NX_PACKET` each time it advances through a chained packet, while the loop's upper bound belongs to the current packet. With the standard contiguous packet-pool layout, a masked server frame split across two packets therefore drives the XOR loop through the first packet's unused payload area and on through the second packet's `NX_PACKET` control block.
The four-byte WebSocket masking key controls the bytes written, so the corruption is attacker-chosen rather than incidental.
Severity
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Eclipse Foundation | NetX Duo |
Affected:
6.2.0 , ≤ 6.5.1.202602
(semver)
Unaffected: 6.5.2.202603 |
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CVE-2026-102757 (GCVE-0-2026-102757)
Vulnerability from cvelistv5 – Published: 2026-09-29 17:24 – Updated: 2026-09-29 17:24
VLAI
EPSS
VEX
Summary
An unprivileged, memory-protected ThreadX module can have the kernel read and write memory at addresses of its choosing, in privileged mode, and can use that to clear the MPU enable bit and remove its own isolation boundary.
The Module Manager decided whether a privileged service could dereference an object address a module named by asking only whether that address fell outside the module. The manager's object pool is outside every module, so the test was satisfied by an address shifted into the interior of one of the module's own privileged allocations, which denotes no object at all. The bytes such an address presents as a control block are bytes the module put there through ordinary create and set services, so the control block ID at the front of them could be made to read as any type the module chose, and the `_txe_` layer's ID test then agreed. The reported chain uses that to reach a privileged `memset` across an attacker-chosen range.
Severity
CWE
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Eclipse Foundation | ThreadX |
Affected:
6.0.1 , ≤ 6.5.1.202602a
(semver)
Unaffected: 6.5.2.202603 |
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CVE-2026-102730 (GCVE-0-2026-102730)
Vulnerability from cvelistv5 – Published: 2026-09-29 17:59 – Updated: 2026-09-29 18:25
VLAI
EPSS
VEX
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.)
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 18:24 UTC
Assigner
References
1 reference
Impacted products
1 product
| 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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CVE-2026-102729 (GCVE-0-2026-102729)
Vulnerability from cvelistv5 – Published: 2026-09-29 17:58 – Updated: 2026-09-29 18:26
VLAI
EPSS
VEX
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.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 18:25 UTC
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Eclipse Foundation | GUIX |
Affected:
0 , ≤ 6.5.1.202602a
(semver)
Unaffected: 6.5.2.202603 |
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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
EPSS
VEX
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.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 18:41 UTC
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Eclipse Foundation | eclipse-threadx/netxduo |
Affected:
0 , ≤ 6.5.1
(semver)
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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
EPSS
VEX
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.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 14:48 UTC
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/OpenNMT/CTranslate2/pull/2068 | issue-trackingpatch |
| https://github.com/OpenNMT/CTranslate2/commit/d9b… | patch |
| https://github.com/OpenNMT/CTranslate2/blob/v4.8.… | technical-description |
| https://github.com/OpenNMT/CTranslate2/releases/t… | release-notes |
| https://github.com/OpenNMT/CTranslate2 | product |
| https://www.vulncheck.com/advisories/ctranslate2-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| OpenNMT | CTranslate2 |
Affected:
0 , < 4.8.1
(semver)
Unaffected: 4.8.1 (semver) |
Date Public
2026-07-02 00:00
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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
EPSS
VEX
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.
Severity
4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 15:52 UTC
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
2 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
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6
|
Date Public
2026-09-29 00:00
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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.