Weakness (CWE)
CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary.
How to prevent it (7 mitigations)
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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.
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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 [REF-57], and the Strsafe.h library from Microsoft [REF-56]. These libraries provide safer versions of overflow-prone string-handling functions.
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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 [REF-1334] discusses canary-based detection in detail.
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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.
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Operation, Build and Compilation
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].
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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 [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].
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Implementation
Replace unbounded copy functions with analogous functions that support length arguments, such as strcpy with strncpy. Create these if they are not available.
Source: MITRE CWE-119
3,721 results · Feed
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High 8.8
Inappropriate implementation in V8 in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to execute arbitra…
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Medium 6.3
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High 7.5
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Low 3.3
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High 8.8
UTT HiPER 1200GW formFireWall strcpy stack-based overflow
A flaw has been found in UTT HiPER 1200GW up to 2.5.3-170306. This impacts the function strcpy of the file /goform/formFireWall. This manipulation of the argument Profile causes stack-based buffer overflow. Remote exploitation of the attack is possible. The e…
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High 8.8
UTT HiPER 1200GW formTaskEdit strcpy stack-based overflow
A vulnerability was detected in UTT HiPER 1200GW up to 2.5.3-170306. This affects the function strcpy of the file /goform/formTaskEdit. The manipulation results in stack-based buffer overflow. The attack may be launched remotely. The exploit is now public and…
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Medium 5.0
OpenSC pkcs11-tool Key Generation pkcs11-tool.c test_kpgen_certwrite buffer overflow
A flaw has been found in OpenSC up to 0.26.1. This affects the function test_kpgen_certwrite of the file src/tools/pkcs11-tool.c of the component pkcs11-tool Key Generation Module. This manipulation causes buffer overflow. The attack is possible to be carried…
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High 8.8
D-Link DI-7001 MINI API httpd_debug.asp sprintf stack-based overflow
A vulnerability was detected in D-Link DI-7001 MINI up to 19.09.19A1. Impacted is the function sprintf of the file /httpd_debug.asp of the component API. The manipulation of the argument Time results in stack-based buffer overflow. The attack may be performed…
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Low 3.3
janet-lang janet debug.c doframe out-of-bounds
A security flaw has been discovered in janet-lang janet up to 1.41.0. This affects the function doframe of the file src/core/debug.c. Performing a manipulation results in out-of-bounds read. Attacking locally is a requirement. The exploit has been released to…
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High 8.8
H3C Magic B0 aspForm SetMobileAPInfoById stack-based overflow
A security vulnerability has been detected in H3C Magic B0 up to 100R002. The affected element is the function SetMobileAPInfoById of the file /goform/aspForm. Such manipulation of the argument param leads to stack-based buffer overflow. The attack may be per…
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Low 3.3
Assimp Half-Life 1 MDL Loader HL1MDLLoader.cpp read_sequence_infos out-of-bounds
A security vulnerability has been detected in Assimp up to 6.0.4. Affected by this issue is the function HL1MDLLoader::read_sequence_infos of the file HL1MDLLoader.cpp of the component Half-Life 1 MDL Loader. The manipulation of the argument aiString leads to…
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Medium 5.3
Assimp ASE File scene.cpp ~aiNode use after free
A weakness has been identified in Assimp up to 6.0.4. Affected by this vulnerability is the function aiNode::~aiNode of the file scene.cpp of the component ASE File Parser. Executing a manipulation can lead to use after free. The attack needs to be launched l…
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Medium 5.3
Assimp Half-Life 1 MDL Loader HL1MDLLoader.cpp extract_anim_value heap-based overflow
A security flaw has been discovered in Assimp up to 6.0.4. Affected is the function HL1MDLLoader::extract_anim_value of the file HL1MDLLoader.cpp of the component Half-Life 1 MDL Loader. Performing a manipulation of the argument num.total results in heap-base…
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Medium 5.3
Assimp Half-Life 1 MDL Loader HL1MDLLoader.cpp read_animations heap-based overflow
A vulnerability was identified in Assimp up to 6.0.4. This impacts the function Assimp::MDL::HalfLife::HL1MDLLoader::read_animations of the file HL1MDLLoader.cpp of the component Half-Life 1 MDL Loader. Such manipulation leads to heap-based buffer overflow. T…
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Medium 5.3
Assimp Half-Life 1 MDL Loader HL1MDLLoader.cpp read_meshes heap-based overflow
A vulnerability was determined in Assimp up to 6.0.4. This affects the function HL1MDLLoader::read_meshes of the file HL1MDLLoader.cpp of the component Half-Life 1 MDL Loader. This manipulation causes heap-based buffer overflow. The attack is restricted to lo…
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High 8.8
D-Link DI-8400 dbsrv.asp stack-based overflow
A vulnerability was detected in D-Link DI-8400 up to 16.07.26A1. This affects an unknown function of the file /dbsrv.asp. Performing a manipulation of the argument str results in stack-based buffer overflow. Remote exploitation of the attack is possible. The …
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Medium 5.3
Assimp 4x4 Matrix glTFCommon.h CopyValue heap-based overflow
A vulnerability was found in Assimp up to 6.0.4. This affects the function glTFCommon::CopyValue in the library glTFCommon.h of the component 4x4 Matrix Parser. Performing a manipulation results in heap-based buffer overflow. The attack must be initiated from…
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Medium 6.3
OFFIS DCMTK dcmqrscp dcmqrdbi.cc deleteOldestImages heap-based overflow
A weakness has been identified in OFFIS DCMTK 3.7.0. This affects the function DcmQueryRetrieveIndexDatabaseHandle::deleteOldestImages of the file dcmqrdb/libsrc/dcmqrdbi.cc of the component dcmqrscp. Executing a manipulation can lead to heap-based buffer ove…
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High 8.8
Tenda W12 httpd set_local_time_0 stack-based overflow
A vulnerability was identified in Tenda W12 3.0.0.7(4763). The affected element is the function set_local_time_0 of the file /bin/httpd. Such manipulation of the argument Time leads to stack-based buffer overflow. The attack can be launched remotely. The expl…
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High 8.8
Tenda W12 httpd cgiWifiMacFilterSet stack-based overflow
A vulnerability was determined in Tenda W12 3.0.0.7(4763). Impacted is the function cgiWifiMacFilterSet of the file /bin/httpd. This manipulation of the argument wifiMacFilterSet.macList.mac causes stack-based buffer overflow. The attack can be initiated remo…
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High 8.8
Tenda W12 httpd cgiSysTimeInfoSet stack-based overflow
A vulnerability has been found in Tenda W12 3.0.0.7(4763). This vulnerability affects the function cgiSysTimeInfoSet of the file /bin/httpd. The manipulation of the argument sec leads to stack-based buffer overflow. It is possible to initiate the attack remot…
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High 8.8
Tenda W12 httpd cgistaKickOff stack-based overflow
A flaw has been found in Tenda W12 3.0.0.7(4763). This affects the function cgistaKickOff of the file /bin/httpd. Executing a manipulation of the argument staMac can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has…
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Critical 9.8CVE-2026-10187 Public exploit
Totolink N300RH Web Management wireless.so setWiFiBasicConfig stack-based overflow
A vulnerability was detected in Totolink N300RH 6.1c.1353_B20190305. Affected by this issue is the function setWiFiBasicConfig of the file wireless.so of the component Web Management Interface. Performing a manipulation of the argument KeyStr results in stack…
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High 8.8
TRENDnet TEW-432BRP formWlanSetup stack-based overflow
A vulnerability was identified in TRENDnet TEW-432BRP 3.10B20. This affects the function formWlanSetup of the file /goform/formWlanSetup. The manipulation of the argument enrollee leads to stack-based buffer overflow. The attack may be initiated remotely. The…
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High 8.8
TRENDnet TEW-432BRP formSysCmd stack-based overflow
A vulnerability was found in TRENDnet TEW-432BRP 3.10B20. The affected element is the function formSysCmd of the file /goform/formSysCmd. Performing a manipulation of the argument submit-url results in stack-based buffer overflow. The attack can be initiated …
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High 8.8
TRENDnet TEW-432BRP formSetWlanEncrypt stack-based overflow
A flaw has been found in TRENDnet TEW-432BRP 3.10B20. This issue affects the function formSetWlanEncrypt of the file /goform/formSetWlanEncrypt. This manipulation of the argument webpage causes stack-based buffer overflow. It is possible to initiate the attac…
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High 8.8
Edimax BR-6478AC POST Request formWanTcpipSetup stack-based overflow
A vulnerability was identified in Edimax BR-6478AC 1.23. The impacted element is the function formWanTcpipSetup of the file /goform/formWanTcpipSetup of the component POST Request Handler. Such manipulation of the argument pppUserName leads to stack-based buf…
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High 8.8
Edimax BR-6478AC POST Request formUSBFolder buffer overflow
A vulnerability was found in Edimax BR-6478AC 1.23. Impacted is the function formUSBFolder of the file /goform/formUSBFolder of the component POST Request Handler. The manipulation of the argument ShareName/SelectName results in buffer overflow. The attack ca…
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High 8.8
Edimax BR-6478AC POST Request formUSBAccount buffer overflow
A vulnerability has been found in Edimax BR-6478AC 1.23. This issue affects the function formUSBAccount of the file /goform/formUSBAccount of the component POST Request Handler. The manipulation of the argument UserName/Password leads to buffer overflow. Remo…
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High 8.8
TRENDnet TEW-432BRP formSetPassword stack-based overflow
A flaw has been found in TRENDnet TEW-432BRP 3.10B20. This vulnerability affects the function formSetPassword of the file /goform/formSetPassword. Executing a manipulation of the argument webpage can lead to stack-based buffer overflow. The attack may be laun…
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High 8.8
TRENDnet TEW-432BRP formResetStatistic stack-based overflow
A vulnerability was detected in TRENDnet TEW-432BRP 3.10B20. This affects the function formResetStatistic of the file /goform/formResetStatistic. Performing a manipulation of the argument status_statistic results in stack-based buffer overflow. The attack may…
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High 8.8
TRENDnet TEW-432BRP formSetEnableWizard stack-based overflow
A security vulnerability has been detected in TRENDnet TEW-432BRP 3.10B20. Affected by this issue is the function formSetEnableWizard of the file /goform/formSetEnableWizard. Such manipulation of the argument start_wizard leads to stack-based buffer overflow.…
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High 8.8
TRENDnet TEW-432BRP formSysLog stack-based overflow
A weakness has been identified in TRENDnet TEW-432BRP 3.10B20. Affected by this vulnerability is the function formSysLog of the file /goform/formSysLog. This manipulation of the argument current_page causes stack-based buffer overflow. The attack can be initi…
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High 8.8
TRENDnet TEW-432BRP formPortFw stack-based overflow
A security flaw has been discovered in TRENDnet TEW-432BRP 3.10B20. Affected is the function formPortFw of the file /goform/formPortFw. The manipulation of the argument server_name results in stack-based buffer overflow. It is possible to launch the attack re…
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High 8.8
Edimax BR-6478AC POST Request formQoS buffer overflow
A security flaw has been discovered in Edimax BR-6478AC 1.23. Affected by this issue is the function formQoS of the file /goform/formQoS of the component POST Request Handler. The manipulation of the argument selSSID results in buffer overflow. The attack can…
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High 8.8
Edimax BR-6478AC POST Request formPPPoESetup stack-based overflow
A vulnerability was identified in Edimax BR-6478AC 1.23. Affected by this vulnerability is the function formPPPoESetup of the file /goform/formPPPoESetup of the component POST Request Handler. The manipulation of the argument pppUserName leads to stack-based …
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High 8.8
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High 8.8
TRENDnet TEW-432BRP formSetDomainFilter stack-based overflow
A vulnerability was found in TRENDnet TEW-432BRP 3.10B20. This impacts the function formSetDomainFilter of the file /goform/formSetDomainFilter. Performing a manipulation of the argument blocked_domain/permitted_domain/blocked_domain_list/permitted_domain_lis…
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High 8.8
TRENDnet TEW-432BRP formSetProtocolFilter stack-based overflow
A vulnerability has been found in TRENDnet TEW-432BRP 3.10B20. This affects the function formSetProtocolFilter of the file /goform/formSetProtocolFilter. Such manipulation of the argument protocol_name leads to stack-based buffer overflow. The attack may be p…
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High 8.8
TRENDnet TEW-432BRP formSetUrlFilter stack-based overflow
A flaw has been found in TRENDnet TEW-432BRP 3.10B20. The impacted element is the function formSetUrlFilter of the file /goform/formSetUrlFilter. This manipulation of the argument keyword_list/keyword causes stack-based buffer overflow. The attack is possible…