Out-of-bounds Write
CWE-787
The product writes data past the end, or before the beginning, of the intended buffer.
We track 5,886 vulnerabilities of this type. 100% are rated high or critical, and the average CVSS score is 8.3. 167 have been exploited in real attacks.
How this weakness is prevented
- Requirements: 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.
- Architecture and Design: 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, and the Strsafe.h library from Microsoft. These libraries provide safer versions of overflow-prone string-handling functions.
- Operation Build and Compilation: 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 discusses canary-based detection in detail.
- Operation: 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. 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.
- Implementation: Replace unbounded copy functions with analogous functions that support length arguments, such as strcpy with strncpy. Create these if they are not available.
Latest Out-of-bounds Write vulnerabilities
- 7.8 High severity
After Effects: Out-of-bounds Write
After Effects versions 25.1, 24.6.4 and earlier are 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 op
- 7.8 High severity
After Effects: Out-of-bounds Write
After Effects versions 25.1, 24.6.4 and earlier are 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 op
- 7.8 High severity
Arena®: Out-of-bounds Write
A local code execution vulnerability exists in the Rockwell Automation Arena® due to a stack-based memory buffer overflow. The flaw is result of improper validation of user-supplied data. If exploited a threat actor can disclose information and execute arbitra
- 7.8 High severity
Arena®: Out-of-bounds Write
A local code execution vulnerability exists in the Rockwell Automation Arena® due to a threat actor being able to write outside of the allocated memory buffer. The flaw is a result of improper validation of user-supplied data. If exploited a threat actor can d
- 7.8 High severity
Arena®: Out-of-bounds Write
A local code execution vulnerability exists in the Rockwell Automation Arena® due to a threat actor being able to write outside of the allocated memory buffer. The flaw is a result of improper validation of user-supplied data. If exploited a threat actor can d
- 7.8 High severity
Arena®: Out-of-bounds Write
A local code execution vulnerability exists in the Rockwell Automation Arena® due to a threat actor being able to write outside of the allocated memory buffer. The flaw is a result of improper validation of user-supplied data. If exploited a threat actor can d
- 9.8 Critical severity
MT6890, MT7622, MT7915, MT7916, MT7981, MT7986: Out-of-bounds Write
In wlan service, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00406897; Issue
- 7.5 High severity
HarmonyOS: Out-of-bounds Write
Buffer overflow vulnerability in the SVG parsing module of the ArkUI framework Impact: Successful exploitation of this vulnerability may affect availability.
- 7.5 High severity
HarmonyOS: Out-of-bounds Write
Buffer overflow vulnerability in the SVG parsing module of the ArkUI framework Impact: Successful exploitation of this vulnerability may affect availability.
- 8.8 High severity
AC1206: Out-of-bounds Write
A vulnerability was found in Tenda AC1206 15.03.06.23. It has been classified as critical. Affected is the function form_fast_setting_wifi_set of the file /goform/fast_setting_wifi_set. The manipulation of the argument ssid/timeZone leads to buffer overflow. I
- 9.8 Critical severity
TinyWebServer: Out-of-bounds Write
A vulnerability, which was classified as critical, has been found in qinguoyi TinyWebServer up to 1.0. Affected by this issue is some unknown functionality of the file /http/http_conn.cpp. The manipulation of the argument name/password leads to stack-based buf
- 8.8 High severity
RX3: Out-of-bounds Write
A vulnerability, which was classified as critical, has been found in Tenda RX3 16.03.13.11. This issue affects the function formSetDeviceName of the file /goform/SetOnlineDevName. The manipulation of the argument devName leads to stack-based buffer overflow. T
- 7.8 High severity
Product Management System: Out-of-bounds Write
A vulnerability classified as critical was found in code-projects Product Management System 1.0. This vulnerability affects the function search_item of the component Search Product Menu. The manipulation of the argument target leads to stack-based buffer overf
- 9.8 Critical severity
Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow Exploited
A stack-based buffer overflow in Ivanti Connect Secure before version 22.7R2.6, Ivanti Policy Secure before version 22.7R1.4, and Ivanti ZTA Gateways before version 22.8R2.2 allows a remote unauthenticated attacker to achieve remote code execution.
- 8.8 High severity
AC10: Out-of-bounds Write
A vulnerability was found in Tenda AC10 16.03.10.13 and classified as critical. This issue affects the function ShutdownSetAdd of the file /goform/ShutdownSetAdd. The manipulation of the argument list leads to stack-based buffer overflow. The attack may be ini
- 9.8 Critical severity
CryptoLib: Out-of-bounds Write
CryptoLib provides a software-only solution using the CCSDS Space Data Link Security Protocol - Extended Procedures (SDLS-EP) to secure communications between a spacecraft running the core Flight System (cFS) and a ground station. In 1.3.3 and earlier, a heap
- 7.8 High severity
Linux: Out-of-bounds Write
In the Linux kernel, the following vulnerability has been resolved: dm-flakey: Fix memory corruption in optional corrupt_bio_byte feature Fix memory corruption due to incorrect parameter being passed to bio_init
- 7.8 High severity
Linux: Out-of-bounds Write
In the Linux kernel, the following vulnerability has been resolved: nvme-tcp: fix potential memory corruption in nvme_tcp_recv_pdu() nvme_tcp_recv_pdu() doesn't check the validity of the header length. When header digests are enabled, a target might send a pac
- 7.8 High severity
Linux: Out-of-bounds Write
In the Linux kernel, the following vulnerability has been resolved: sched/fair: Fix potential memory corruption in child_cfs_rq_on_list child_cfs_rq_on_list attempts to convert a 'prev' pointer to a cfs_rq. This 'prev' pointer can originate from struct rq's le
- 7.8 High severity
Linux: Out-of-bounds Write
In the Linux kernel, the following vulnerability has been resolved: slimbus: messaging: Free transaction ID in delayed interrupt scenario In case of interrupt delay for any reason, slim_do_transfer() returns timeout error but the transaction ID (TID) is not fr
- 8.1 High severity
Firefox: Out-of-bounds Write
Memory safety bugs present in Firefox 136 and Thunderbird 136. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox
- 7.8 High severity
Navisworks Freedom: Out-of-bounds Write
A maliciously crafted DWFX file, when parsed through Autodesk Navisworks, can force a Memory Corruption vulnerability. A malicious actor can leverage this vulnerability to execute arbitrary code in the context of the current process.
- 7.8 High severity
macOS: Out-of-bounds Write
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.4, macOS Sonoma 14.7.5, macOS Ventura 13.7.5. An app may be able to cause unexpected system termination or corrupt kernel memory.
- 9.8 Critical severity
macOS: Out-of-bounds Write
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.4, macOS Sonoma 14.7.5, macOS Ventura 13.7.5. An app may be able to cause unexpected system termination or corrupt kernel memory.
- 7.1 High severity
iOS and iPadOS: Out-of-bounds Write
An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in iOS 18.4 and iPadOS 18.4, macOS Sequoia 15.4, visionOS 2.4, watchOS 11.4. An app may be able to cause unexpected system termination or write kernel memory.
- 9.8 Critical severity
macOS: Out-of-bounds Write
The issue was addressed with improved checks. This issue is fixed in macOS Sequoia 15.4, macOS Sonoma 14.7.5, macOS Ventura 13.7.5. An app may be able to modify protected parts of the file system.
- 9.4 Critical severity
Generic Plus PCL6 Printer Driver: Out-of-bounds Write
Out-of-bounds vulnerability in EMF Recode processing of Generic Plus PCL6 Printer Driver / Generic Plus UFR II Printer Driver / Generic Plus LIPS4 Printer Driver / Generic Plus LIPSLX Printer Driver / Generic Plus PS Printer Driver / Generic FAX Printer Driver
- 7.8 High severity
Linux: Out-of-bounds Write
In the Linux kernel, the following vulnerability has been resolved: block: ublk: extending queue_size to fix overflow When validating drafted SPDK ublk target, in a case that assigning large queue depth to multiqueue ublk device, ublk target would run into a w
- 7.8 High severity
Linux: Out-of-bounds Write
In the Linux kernel, the following vulnerability has been resolved: powerpc/code-patching: Disable KASAN report during patching via temporary mm Erhard reports the following KASAN hit on Talos II (power9) with kernel 6.13: [ 12.028126] ========================
- 9.1 Critical severity
CryptoLib: Out-of-bounds Write
CryptoLib provides a software-only solution using the CCSDS Space Data Link Security Protocol - Extended Procedures (SDLS-EP) to secure communications between a spacecraft running the core Flight System (cFS) and a ground station. In versions 1.3.3 and prior,
- 7.8 High severity
KeyShot: Out-of-bounds Write
Luxion KeyShot DAE File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Luxion KeyShot. User interaction is required to exploit this vulne
- 8.8 High severity
Assimp: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability, which was classified as critical, was found in Open Asset Import Library Assimp 5.4.3. This affects the function Assimp::CSMImporter::InternReadFile of the file code/AssetLib/CSM/CSMLoader.cpp of the component CSM File Handler. The manipulatio
- 9.8 Critical severity
DAP-1620: Out-of-bounds Write
A vulnerability was found in D-Link DAP-1620 1.03 and classified as critical. This issue affects the function check_dws_cookie of the file /storage. The manipulation of the argument uid leads to stack-based buffer overflow. The attack may be initiated remotely
- 9.8 Critical severity
DAP-1620: Out-of-bounds Write
A vulnerability has been found in D-Link DAP-1620 1.03 and classified as critical. This vulnerability affects the function mod_graph_auth_uri_handler of the file /storage of the component Authentication Handler. The manipulation leads to stack-based buffer ove
- 9.8 Critical severity
DAP-1620: Out-of-bounds Write
A vulnerability, which was classified as critical, was found in D-Link DAP-1620 1.03. This affects the function check_dws_cookie of the file /storage of the component Cookie Handler. The manipulation leads to stack-based buffer overflow. It is possible to init
- 9.8 Critical severity
DAP-1620: Out-of-bounds Write
A vulnerability, which was classified as critical, has been found in D-Link DAP-1620 1.03. Affected by this issue is the function set_ws_action of the file /dws/api/ of the component Path Handler. The manipulation leads to heap-based buffer overflow. The attac
- 9.8 Critical severity
Corosync: Out-of-bounds Write
Corosync through 3.1.9, if encryption is disabled or the attacker knows the encryption key, has a stack-based buffer overflow in orf_token_endian_convert in exec/totemsrp.c via a large UDP packet.
- 7.5 High severity
QuickJS: Out-of-bounds Write
A vulnerability was found in quickjs-ng QuickJS up to 0.8.0. It has been declared as problematic. Affected by this vulnerability is the function JS_GetRuntime of the file quickjs.c of the component qjs. The manipulation leads to stack-based buffer overflow. Th
- 9.8 Critical severity
Dell Chassis Management Controller (CMC) for…: Out-of-bounds Write
Dell Chassis Management Controller Firmware for Dell PowerEdge FX2, version(s) prior to 2.40.200.202101130302, and Dell Chassis Management Controller Firmware for Dell PowerEdge VRTX version(s) prior to 3.41.200.202209300499, contain(s) a Stack-based Buffer Ov
- 7.8 High severity
Sante DICOM Viewer Pro: Out-of-bounds Write
Santesoft Sante DICOM Viewer Pro is vulnerable to an out-of-bounds write, which requires a user to open a malicious DCM file, resulting in execution of arbitrary code by a local attacker.