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CVE-2026-67631 Critical · 9.8 CWE-122 Sep 8, 2026
Microsoft SQL Server Remote Code Execution Vulnerability
Heap-based buffer overflow in SQL Server allows an unauthorized attacker to execute code over a network.
CVE-2026-67388 High · 8.8 CWE-122 Sep 8, 2026
Microsoft SQL Server Remote Code Execution Vulnerability
Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.
CVE-2026-67384 High · 8.8 CWE-122 Sep 8, 2026
Microsoft SQL Server Remote Code Execution Vulnerability
Integer overflow or wraparound in SQL Server allows an authorized attacker to execute code over a network.
CVE-2026-67381 High · 8.8 CWE-122 Sep 8, 2026
Microsoft SQL Server Elevation of Privilege Vulnerability
Heap-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges over a network.
CVE-2026-67380 High · 8.8 CWE-122 Sep 8, 2026
Microsoft SQL Server Remote Code Execution Vulnerability
Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.
CVE-2026-67373 High · 8.8 CWE-122 Sep 8, 2026
Microsoft SQL Server Remote Code Execution Vulnerability
Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.
CVE-2026-62810 High · 7.8 CWE-122 Sep 8, 2026
Active Directory Certificate Services (AD CS) Elevation of Privilege Vulnerability
Heap-based buffer overflow in Active Directory Certificate Services (AD CS) allows an authorized attacker to elevate privileges locally.
CVE-2026-62744 High · 8.8 CWE-122 Sep 8, 2026
Microsoft Windows Media Foundation Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over a network.
CVE-2026-58600 High · 7.8 CWE-122 Sep 8, 2026
HEVC Video Extensions Elevation of Privilege Vulnerability
Heap-based buffer overflow in Microsoft Windows Codecs Library allows an unauthorized attacker to elevate privileges locally.
CVE-2026-58599 High · 7.8 CWE-122 Sep 8, 2026
HEVC Video Extensions Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Windows Codecs Library allows an unauthorized attacker to execute code locally.
CVE-2026-79377 High · 7.5 CWE-122 Sep 8, 2026
A heap overflow in the a2dp_decoder_sbc.cpp component of Bestechnic Co., Ltd BES2300…
A heap overflow in the a2dp_decoder_sbc.cpp component of Bestechnic Co., Ltd BES2300 Bluetooth Audio SoC firmware v3.x and earlier allows attackers to cause a Denial of Service (DoS) via sending a crafted L2CAP packet.
CVE-2026-77102 High · 7.5 CWE-122 Sep 8, 2026
CommServe Denial of Service
CommServe contained a heap-based buffer overflow issue affecting service availability. Software customers upgrade to resolved maintenance release. Update CommServe.
CVE-2026-20502 High · 8.4 CWE-122 Sep 6, 2026
Heap-based Buffer Overflow in Mediatek Mt2718 Firmware
In vdec, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11262030; Issue ID: MSV-9196.
CVE-2026-20501 High · 8.4 CWE-122 Sep 6, 2026
Heap-based Buffer Overflow in Mediatek Mt2718 Firmware
In vdec, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11262030; Issue ID: MSV-9197.
CVE-2026-86142 High · 7.8 CWE-122 Sep 5, 2026
Heap-based Buffer Overflow in Xmlsoft Libxml2
In libxml2 before 2.15.4, there is a heap-based buffer overflow in xmlXPtrEvalXPtrPart because of xmlXPtrEval xpointer length saturation.
CVE-2026-57164 Medium · 5.9 CWE-122 Sep 4, 2026
PJSIP: Heap overflow in the HTTP client
PJSIP is a free and open source multimedia communication library written in C. Prior to commit 8d5956a, a heap buffer overflow exists in the PJLIB-UTIL HTTP client (http_client.c) when buffering an HTTP response body. This affects applications that use the PJLIB-UTIL HTTP client to receive a whole response body at once (a completion callback with no incremental on_data_read callback). When growing the response buffer, an incorrect size calculation based on the server-supplied Content-Length can leave the buffer too small, causing response data to be written past the end of the allocation. A malicious or man-in-the-middle HTTP server can trigger this with a crafted response; impact may range from unexpected application termination to memory corruption. Applications that consume the response incrementally (via on_data_read), or that only connect to trusted servers, are not affected. This issue has been patched via commit 8d5956a.
CVE-2026-18341 High · 8.8 CWE-122 Sep 4, 2026
IBM i is Affected By Buffer Overflow Vulnerability []
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to corrupt memory due to an integer underflow.
CVE-2026-81665 High · 7.5 CWE-122 Sep 4, 2026
Corosync: corosync: heap-based buffer overflow in totempg assembly buffer during fragmented message reassembly
A heap-based buffer overflow was found in Corosync's Totem Process Group (totempg) message reassembly. When processing fragmented multicast messages, the buffer used to reassemble fragments lacks a runtime bounds check in release builds. A network-adjacent attacker able to send crafted multicast protocol messages to the cluster could cause a heap buffer overflow with attacker-controlled data. This can crash the Corosync daemon, causing a denial of service to the entire cluster, and may potentially allow further exploitation given sufficient heap-corruption control.
CVE-2026-83959 High · 7.8 CWE-122 Sep 3, 2026
Substance3D - Sampler | Heap-based Buffer Overflow (CWE-122)
Substance3D - Sampler is affected by a Heap-based Buffer Overflow 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 open a malicious file.
CVE-2026-53720 Medium · 5.1 CWE-122 Sep 3, 2026
pymonocypher: Potential heap buffer overflow on nb_blocks in argon2i_32 when provided buffer is too small
pymonocypher uses cython to wrap the Monocypher C library. Prior to version 4.0.2.8, the argon2i_32 implementation does not check the nb_blocks size. If the caller does not provide a sufficiently large buffer based on the API contract, then argon2i_32 will write past the end of the buffer and possibly corrupt the heap. This issue has been patched in version 4.0.2.8.
CVE-2026-78689 High · 8.1 CWE-122 Sep 2, 2026
NGINX ngx_http_js_module vulnerablility
Description NGINX JavaScript (njs) has a vulnerability in the XML module's namespace prefix list parser, reachable through the xml.exclusiveC14n() method. An unauthenticated remote attacker can trigger it when an affected NGINX configuration passes an externally controlled XML namespace prefix list to that method. Both the njs and the QuickJS (qjs) engines are affected. A crafted prefix list causes an out-of-bounds write past the end of a heap allocation. With the njs engine, which is the engine used when the js_engine directive is absent, this corrupts adjacent objects and crashes the NGINX worker. With the QuickJS engine, the same call additionally leaks the prefix list on every invocation, causing worker memory to grow across requests. The official nginxinc/nginx-saml reference implementation is affected during SAML signature verification. It reads InclusiveNamespaces/@PrefixList from an untrusted SAML message and passes it to xml.exclusiveC14n() before the signature has been verified, so a valid SAML signature is not required. A crafted SAML Response, Assertion, LogoutRequest, or LogoutResponse is sufficient. Code execution has not been demonstrated and cannot be ruled out for all platforms, as the effect of the out-of-bounds write depends on conditions beyond the attacker's control.   Impact This vulnerability allows remote attackers to cause a denial of service on the NGINX system, either through repeatable worker restarts or through worker memory growth or possibly trigger code execution. There is no control plane exposure; this is a data plane issue only. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
CVE-2026-84269 Medium · 6.5 CWE-122 Sep 1, 2026
Gvfs: afp: heap-based buffer overflow in dsi read path
A flaw was found in the AFP backend in gvfs. When mounting a share, a malicious AFP server can cause the DSI read path to process a length that exceeds the size requested by the client. The function does not verify the server-provided length against the pre-sized reply buffer, causing the operation to access past the intended boundaries. This issue allows a malicious server to overflow a heap buffer and crash the gvfsd-afp process, resulting in a denial of service.
CVE-2026-84268 High · 8.8 CWE-122 Sep 1, 2026
Gvfs: sftp: heap-based buffer overflow in read_reply()
A flaw was found in the SFTP backend in gvfs. When mounting a share and reading a file, a malicious SFTP server can cause read_reply() to process a length that exceeds the size requested by the client. The function does not verify the server-provided length against the allocated buffer size, causing the operation to write past the intended boundaries. This issue allows a malicious server to corrupt adjacent heap memory in the gvfsd-sftp process, resulting in a denial of service as the process aborts upon detecting the heap corruption or potentially allowing arbitrary code execution.
CVE-2026-75538 High · 8.2 CWE-122 Sep 1, 2026
A Signed Length Overflow in Erlang/OTP's inet TCP Driver Overflows the Receive Buffer Into BEAM VM Memory From an Unauthenticated Peer
An attacker that connects to an open Erlang TCP port that uses the inet driver with {packet,4} mode can use a signed overflow in an incorrect packet length calculation to overflow the receive buffer into the VM allocator area and beyond up to about 2 GB. This would easily trash the allocated block's allocator metadata footer, and the next block, if any, and most likely cause the BEAM VM to crash. Utilizing this with precision enough to achieve Remote Code Execution would be extremely unfeasible. This issue affects OTP from OTP 17.0 before OTP 27.3.4.17, from OTP 28.0 before OTP 28.5.0.6, and from OTP 29.0 before OTP 29.0.6, corresponding to erts from 6.0 before 15.2.7.13, from 16.0 before 16.4.0.6, and from 17.0 before 17.0.6. Whether OTP before OTP 17.0, corresponding to erts before 6.0, is affected is unknown.
CVE-2026-38821 High · 7.1 CWE-122 Aug 27, 2026
Heap-based Buffer Overflow in openNDS
A heap-based buffer overflow vulnerability exists in openNDS before 11.0.0 that allows an unauthenticated attacker on the captive portal network to crash the openNDS daemon (denial of service) and potentially achieve remote code execution. This is in http_microhttpd.c.