CWE-120— Buffer Copy without Checking Size (Classic Buffer Overflow)
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.— MITRE CWE catalog
4,454 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-120page 84 of 90
- CVE-2026-24110CRITICALCVSS 9.8EG 9.82026-03-02
An issue was discovered in Tenda W20E V4.0br_V15.11.0.6. Attackers may send overly long `addDhcpRules` data. When these rules enter the `addDhcpRule` function and are processed by `ret = sscanf(pRule, " %d\t%[^\t]\t%[^\n\r\t]", &dhcpsIndex…
- CVE-2026-24111CRITICALCVSS 9.8EG 9.82026-03-02
An issue was discovered in Tenda W20E V4.0br_V15.11.0.6. Attackers may exploit the vulnerability by specifying the value of `userInfo`. When `userInfo` is passed into the `addAuthUser` function and processed by `sscanf` without size valida…
- CVE-2026-24112CRITICALCVSS 9.8EG 9.82026-03-02
An issue was discovered in Tenda W20E V4.0br_V15.11.0.6. Attackers may exploit the vulnerability by specifying the value of `userInfo`. When `userInfo` is passed into the `addWewifiWhiteUser` function and processed by `sscanf` without size…
- CVE-2026-24113CRITICALCVSS 9.8EG 9.82026-03-02
An issue was discovered in Tenda W20E V4.0br_V15.11.0.6. Attackers may exploit the vulnerability by controlling the value of `nptr`. When this value is passed into the `getMibPrefix` function and concatenated using `sprintf` without proper…
- CVE-2026-24114CRITICALCVSS 9.8EG 9.82026-03-02
An issue was discovered in Tenda W20E V4.0br_V15.11.0.6. Failure to validate `pPortMapIndex` may lead to buffer overflows when using `strcpy`.
- CVE-2026-24115CRITICALCVSS 9.8EG 9.82026-03-02
An issue was discovered in Tenda W20E V4.0br_V15.11.0.6. Failure to validate the sizes of `gstup` and `gstdwn` before concatenating them into `gstruleQos` may lead to buffer overflow.
- CVE-2026-24344HIGHCVSS 7.3EG 7.32026-01-27
Multiple Buffer Overflows in Admin UI of EZCast Pro II version 1.17478.146 allow attackers to cause a program crash and potential remote code execution
- CVE-2026-24660CRITICALCVSS 9.8EG 9.82026-04-07
A heap-based buffer overflow vulnerability exists in the x3f_load_huffman functionality of LibRaw Commit d20315b. A specially crafted malicious file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger th…
- CVE-2026-24793CRITICALCVSS 9.8EG 9.82026-01-27
Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in azerothcore azerothcore-wotlk (deps/zlib modules). This vulnerability is associated with program files inflate.C. This issue affe…
- CVE-2026-24799MEDIUMCVSS 5.2EG 5.22026-01-27
Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in davisking dlib (dlib/external/zlib modules). This vulnerability is associated with program files inflate.C. This issue affects dl…
- CVE-2026-24800CRITICALCVSS 10.0EG 10.02026-01-27
Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in tildearrow furnace (extern/zlib modules). This vulnerability is associated with program files inflate.C.
- CVE-2026-24807MEDIUMCVSS 5.3EG 5.32026-01-27
Improper Verification of Cryptographic Signature vulnerability in liuyueyi quick-media (plugins/svg-plugin/batik-codec-fix/src/main/java/org/apache/batik/ext/awt/image/codec/util modules). This vulnerability is associated with program file…
- CVE-2026-24810CRITICALCVSS 10.0EG 10.02026-01-27
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in rethinkdb (src/cjson modules). This vulnerability is associated with program files cJSON.Cc. This issue affects rethinkdb: through v2.4.4.
- CVE-2026-24823CRITICALCVSS 10.0EG 10.02026-01-27
Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in FASTSHIFT X-TRACK (Software/X-Track/USER/App/Utils/lv_img_png/PNGdec/src modules). This vulnerability is associated with program f…
- CVE-2026-24922MEDIUMCVSS 5.5EG 6.92026-02-06
Buffer overflow vulnerability in the HDC module. Impact: Successful exploitation of this vulnerability may affect availability.
- CVE-2026-25277HIGHCVSS 8.8EG 8.82026-06-01
Memory corruption while using Strongbox due to buffer overflow.
- CVE-2026-25506HIGHCVSS 7.8EG 7.82026-02-10
MUNGE is an authentication service for creating and validating user credentials. From 0.5 to 0.5.17, local attacker can exploit a buffer overflow vulnerability in munged (the MUNGE authentication daemon) to leak cryptographic key material …
- CVE-2026-25994CRITICALCVSS 9.8EG 9.82026-02-11
PJSIP is a free and open source multimedia communication library written in C. In 2.16 and earlier, a buffer overflow vulnerability exists in PJNATH ICE Session when processing credentials with excessively long usernames.
- CVE-2026-27459CRITICALCVSS 9.8EG 9.82026-03-18
pyOpenSSL is a Python wrapper around the OpenSSL library. Starting in version 22.0.0 and prior to version 26.0.0, if a user provided callback to `set_cookie_generate_callback` returned a cookie value greater than 256 bytes, pyOpenSSL would…
- CVE-2026-27654HIGHCVSS 8.2EG 8.22026-03-24
NGINX Open Source and NGINX Plus have a vulnerability in the ngx_http_dav_module module that might allow an attacker to trigger a buffer overflow to the NGINX worker process; this vulnerability may result in termination of the NGINX worker…
- CVE-2026-27820CRITICALCVSS 9.8EG 9.82026-04-16
zlib is a Ruby interface for the zlib compression/decompression library. Versions 3.0.0 and below, 3.1.0, 3.1.1, 3.2.0 and 3.2.1 contain a buffer overflow vulnerability in the Zlib::GzipReader. The zstream_buffer_ungets function prepends c…
- CVE-2026-27942LOWCVSS 2.7EG 2.72026-02-26
fast-xml-parser allows users to validate XML, parse XML to JS object, or build XML from JS object without C/C++ based libraries and no callback. Prior to version 5.3.8, the application crashes with stack overflow when user use XML builder …
- CVE-2026-28580HIGHCVSS 7.8EG 7.82026-06-01
In multiple functions, there is a possible desync in persistence due to an incorrect bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploita…
- CVE-2026-28841MEDIUMCVSS 6.2EG 6.22026-03-25
A buffer overflow was addressed with improved size validation. This issue is fixed in macOS Tahoe 26.4. A buffer overflow may result in memory corruption and unexpected app termination.
- CVE-2026-28842HIGHCVSS 7.5EG 7.52026-03-25
The issue was addressed with improved bounds checks. This issue is fixed in macOS Tahoe 26.4. A buffer overflow may result in memory corruption and unexpected app termination.
- CVE-2026-28847HIGHCVSS 8.8EG 8.82026-05-11
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5, iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web…
- CVE-2026-28857MEDIUMCVSS 6.5EG 6.52026-03-25
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.4, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, visionOS 26.4. Processing maliciously crafted web content may lead to an unexpected process crash.
- CVE-2026-28858CRITICALCVSS 9.8EG 9.82026-03-25
A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.4 and iPadOS 26.4. A remote user may be able to cause unexpected system termination or corrupt kernel memory.
- CVE-2026-28859MEDIUMCVSS 4.3EG 4.32026-03-25
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.4, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. A malicious website may be able to process restricted web conten…
- CVE-2026-28875HIGHCVSS 7.5EG 7.52026-03-25
A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.4 and iPadOS 26.4. A remote attacker may be able to cause a denial-of-service.
- CVE-2026-28901MEDIUMCVSS 4.3EG 4.32026-05-11
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web content may lead to an unexpe…
- CVE-2026-28902MEDIUMCVSS 6.5EG 6.52026-05-11
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web content may lead to an unexpe…
- CVE-2026-28903MEDIUMCVSS 6.5EG 6.52026-05-11
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5, iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web…
- CVE-2026-28904HIGHCVSS 7.5EG 7.52026-05-11
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5, iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web…
- CVE-2026-28905HIGHCVSS 7.5EG 7.52026-05-11
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5. Processing maliciously crafted web content may lead to an unexpected process c…
- CVE-2026-28925HIGHCVSS 7.5EG 7.52026-05-11
A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. An app may be able to cause unexpected system termination or write kernel memory.
- CVE-2026-28931CRITICALCVSS 8.8EG 9.82026-07-27
A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, watchOS 26.6. Connecting to a malicious NFS server may lead to kernel memory corruption.
- CVE-2026-28953HIGHCVSS 7.5EG 7.52026-05-11
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5, iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web…
- CVE-2026-28955HIGHCVSS 8.8EG 8.82026-05-11
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5, iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web…
- CVE-2026-28959HIGHCVSS 7.5EG 7.52026-05-11
A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26…
- CVE-2026-28981HIGHCVSS 7.8EG 7.82026-07-27
A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. Processing a maliciously crafted image may lead to arbitrary code execution.
- CVE-2026-29009CRITICALCVSS 9.8EG 9.82026-07-08
U-Boot before 2026.07-rc2 contains a buffer overflow vulnerability in nfs_readlink_reply() (net/nfs-common.c) when CONFIG_CMD_NFS is enabled, allowing a malicious or compromised NFS server to overflow the 2048-byte nfs_path_buff buffer by …
- CVE-2026-2904HIGHCVSS 8.8EG 8.82026-02-22
A vulnerability was determined in UTT HiPER 810G 1.7.7-171114. This affects the function strcpy of the file /goform/ConfigExceptAli. Executing a manipulation can lead to buffer overflow. The attack can be launched remotely. The exploit has…
- CVE-2026-2911HIGHCVSS 8.8EG 8.82026-02-22
A vulnerability has been found in Tenda FH451 up to 1.0.0.9. This issue affects some unknown processing of the file /goform/GstDhcpSetSer. The manipulation leads to buffer overflow. It is possible to initiate the attack remotely. The explo…
- CVE-2026-2920HIGHCVSS 7.8EG 7.82026-03-16
GStreamer ASF Demuxer Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interaction with this library is required to…
- CVE-2026-2935HIGHCVSS 7.2EG 7.22026-02-22
A weakness has been identified in UTT HiPER 810G up to 1.7.7-171114. This issue affects the function strcpy of the file /goform/ConfigExceptMSN. Executing a manipulation of the argument remark can lead to buffer overflow. The attack can be…
- CVE-2026-2980HIGHCVSS 7.2EG 7.22026-02-23
A vulnerability has been found in UTT HiPER 810G up to 1.7.7-1711. Impacted is the function strcpy of the file /goform/setSysAdm. The manipulation of the argument passwd1 leads to buffer overflow. The attack may be initiated remotely. The …
- CVE-2026-2981HIGHCVSS 8.8EG 8.82026-02-23
A vulnerability was found in UTT HiPER 810G up to 1.7.7-1711. The affected element is the function strcpy of the file /goform/formTaskEdit_ap. The manipulation of the argument txtMin2 results in buffer overflow. The attack may be launched …
- CVE-2026-29976MEDIUMCVSS 6.2EG 6.22026-03-26
Buffer Overflow vulnerability in ZerBea hcxpcapngtool v. 7.0.1-43-g2ee308e allows a local attacker to obtain sensitive information via the getradiotapfield() function
- CVE-2026-30006MEDIUMCVSS 6.2EG 6.22026-03-23
XnSoft NConvert 7.230 is vulnerable to Stack Buffer Overrun via a crafted .tiff file.
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