PT-2026-37845

A flaw was found in libxml2's xmlBuildQName function, where integer overflows in buffer size calculations can lead to a stack-based buffer overflow. This issue can result in memory corruption or a denial of service when processing crafted input...

PT-2026-38312

Summary Nerdbank.MessagePack contains an uncontrolled stack allocation vulnerability in DateTime decoding. A malicious MessagePack payload can declare an oversized timestamp extension length, causing the reader to allocate an attacker-controlled number of bytes on the stack. This can trigger a...

PT-2026-41980

Name of the Vulnerable Software and Affected Versions Kanidm versions prior to 1.9.3 Description An unauthenticated GET request to any /scim/v1/... endpoint using a ?filter= query string containing several thousand nested parentheses approximately 4–12 KB can cause a stack overflow. This occurs...

CLSA-2026-1778020045 binutils: Fix of CVE-2021-3826

CVE-2021-3826: fix heap/stack buffer overflow in dlanglname libiberty d-demangle.c via missing length check in dlangsymbolbackref...

CVE-2026-41927

WDR201A WiFi Extender HW V2.1, FW LFMZX28040922V1.02 contains a stack-based buffer overflow vulnerability in the firewall.cgi and makeRequest.cgi binaries that allows unauthenticated attackers to overwrite the saved return address by sending a POST request with a Content-Length header exceeding 5...

CVE-2026-34459

Sandboxie-Plus is an open source sandbox-based isolation software for Windows. In versions 1.17.2 and earlier, the SbieSvc proxy service's GetRawInputDeviceInfoSlave handler contains two vulnerabilities that can be chained for sandbox escape. First, when a sandboxed process sends an IPC request...

CVE-2026-34461

Sandboxie-Plus is an open source sandbox-based isolation software for Windows. In versions 1.17.2 and earlier, the SbieIniServer RunSbieCtrl handler contains a stack buffer overflow. The MSGIDSBIEINIRUNSBIECTRL message is handled before normal sandbox and impersonation checks, and for non-sandbox...

CVE-2026-34464

Sandboxie-Plus is an open source sandbox-based isolation software for Windows. In versions 1.17.2 and earlier, NamedPipeServer::OpenHandler copies the server field from NAMEDPIPEOPENREQ into a fixed WCHAR pipename160 stack buffer using wcscat without verifying null termination. The handler only...

CVE-2026-34464 Sandboxie-Plus NamedPipeServer OpenHandler stack overflow via unterminated server field

Sandboxie-Plus is an open source sandbox-based isolation software for Windows. In versions 1.17.2 and earlier, NamedPipeServer::OpenHandler copies the server field from NAMEDPIPEOPENREQ into a fixed WCHAR pipename160 stack buffer using wcscat without verifying null termination. The handler only...

CVE-2026-34464

Summary (CVE-2026-34464): Sandboxie-Plus

CVE-2026-34464 Sandboxie-Plus NamedPipeServer OpenHandler stack overflow via unterminated server field

Sandboxie-Plus is an open source sandbox-based isolation software for Windows. In versions 1.17.2 and earlier, NamedPipeServer::OpenHandler copies the server field from NAMEDPIPEOPENREQ into a fixed WCHAR pipename160 stack buffer using wcscat without verifying null termination. The handler only...

CVE-2026-34462 Sandboxie-Plus ProcessServer boxname stack buffer overflows via unterminated wide string copy

Sandboxie-Plus is an open source sandbox-based isolation software for Windows. In versions 1.17.2 and earlier, several ProcessServer handlers KillAllHandler, SuspendAllHandler, and RunSandboxedHandler copy a WCHAR boxname34 field from request structures into WCHAR40 stack buffers using wcscpy...

CVE-2026-34461 Sandboxie-Plus SbieIniServer RunSbieCtrl stack buffer overflow allows local privilege escalation

Sandboxie-Plus is an open source sandbox-based isolation software for Windows. In versions 1.17.2 and earlier, the SbieIniServer RunSbieCtrl handler contains a stack buffer overflow. The MSGIDSBIEINIRUNSBIECTRL message is handled before normal sandbox and impersonation checks, and for non-sandbox...

EUVD-2026-27461

Sandboxie-Plus is an open source sandbox-based isolation software for Windows. In versions 1.17.2 and earlier, the SbieIniServer RunSbieCtrl handler contains a stack buffer overflow. The MSGIDSBIEINIRUNSBIECTRL message is handled before normal sandbox and impersonation checks, and for non-sandbox...

CVE-2026-34461 Sandboxie-Plus SbieIniServer RunSbieCtrl stack buffer overflow allows local privilege escalation

Sandboxie-Plus is an open source sandbox-based isolation software for Windows. In versions 1.17.2 and earlier, the SbieIniServer RunSbieCtrl handler contains a stack buffer overflow. The MSGIDSBIEINIRUNSBIECTRL message is handled before normal sandbox and impersonation checks, and for non-sandbox...

CVE-2026-34461

Sandboxie-Plus

CVE-2026-34459 Sandboxie-Plus sandbox escape via uninitialized memory leak and stack overflow in GetRawInputDeviceInfoSlave

Sandboxie-Plus is an open source sandbox-based isolation software for Windows. In versions 1.17.2 and earlier, the SbieSvc proxy service's GetRawInputDeviceInfoSlave handler contains two vulnerabilities that can be chained for sandbox escape. First, when a sandboxed process sends an IPC request...

CVE-2026-34459

Sandboxie-Plus (Windows) vulnerability in SbieSvc GetRawInputDeviceInfoSlave (v1.17.2 and earlier) allows sandbox escape via two chained flaws: (1) when cbSize=0, up to 32KB of uninitialized kernel/user stack memory is returned, leaking addresses/stack cookies and bypassing ASLR and /GS; (2) an a...

EUVD-2026-27458

Sandboxie-Plus is an open source sandbox-based isolation software for Windows. In versions 1.17.2 and earlier, the SbieSvc proxy service's GetRawInputDeviceInfoSlave handler contains two vulnerabilities that can be chained for sandbox escape. First, when a sandboxed process sends an IPC request...

CVE-2026-34459 Sandboxie-Plus sandbox escape via uninitialized memory leak and stack overflow in GetRawInputDeviceInfoSlave

Sandboxie-Plus is an open source sandbox-based isolation software for Windows. In versions 1.17.2 and earlier, the SbieSvc proxy service's GetRawInputDeviceInfoSlave handler contains two vulnerabilities that can be chained for sandbox escape. First, when a sandboxed process sends an IPC request...