CLEANSTART-2024-DE50703 locally-installed hostile program could send `WM_COPYDATA` messages that Firefox would process incorrectly, leading to an out-of-bounds read

Security vulnerability affects the thunderbird package. A locally-installed hostile program could send WMCOPYDATA messages that Firefox would process incorrectly, leading to an out-of-bounds read...

pageant: unbounded frame buffering on peer-controlled 4-byte length prefix (memory-exhaustion DoS)

Summary pageant::PageantStream reads a 4-byte big-endian length prefix from its input stream and buffers until len + 4 bytes are available, without ever validating len. The underlying WMCOPYDATA transport physically cannot carry frames larger than 8 KiB AGENTMAXMSGLEN, the fixed-size shared memor...

GHSA-662X-8WVJ-2276 pageant: unbounded frame buffering on peer-controlled 4-byte length prefix (memory-exhaustion DoS)

Summary pageant::PageantStream reads a 4-byte big-endian length prefix from its input stream and buffers until len + 4 bytes are available, without ever validating len. The underlying WMCOPYDATA transport physically cannot carry frames larger than 8 KiB AGENTMAXMSGLEN, the fixed-size shared memor...

CVE-2026-107733

SumatraPDF is a multi-format reader for Windows. In 3.6.1 and earlier, FrameOnCommand handles CmdExec by passing a null current-tab pointer to RunWithExe, which dereferences WindowTab::filePath. A local process in the same interactive Windows session, at an integrity level greater than or equal t...

CVE-2026-107733 SumatraPDF: Null-pointer dereference in `CmdExec` when no document tab is open

SumatraPDF is a multi-format reader for Windows. In 3.6.1 and earlier, FrameOnCommand handles CmdExec by passing a null current-tab pointer to RunWithExe, which dereferences WindowTab::filePath. A local process in the same interactive Windows session, at an integrity level greater than or equal t...

CVE-2026-107733

In SumatraPDF version 3.6.1 and earlier for Windows, a null-pointer dereference occurs within the FrameOnCommand() function when handling CmdExec while no document tab is open. The root cause is the passing of a null current-tab pointer to RunWithExe(), leading to the dereferencing of WindowTab::...

CVE-2026-107733

SumatraPDF is a multi-format reader for Windows. In 3.6.1 and earlier, FrameOnCommand handles CmdExec by passing a null current-tab pointer to RunWithExe, which dereferences WindowTab::filePath. A local process in the same interactive Windows session, at an integrity level greater than or equal t...

CVE-2026-107733 SumatraPDF: Null-pointer dereference in `CmdExec` when no document tab is open

SumatraPDF is a multi-format reader for Windows. In 3.6.1 and earlier, FrameOnCommand handles CmdExec by passing a null current-tab pointer to RunWithExe, which dereferences WindowTab::filePath. A local process in the same interactive Windows session, at an integrity level greater than or equal t...

CVE-2026-107733 SumatraPDF: Null-pointer dereference in `CmdExec` when no document tab is open

SumatraPDF is a multi-format reader for Windows. In 3.6.1 and earlier, FrameOnCommand handles CmdExec by passing a null current-tab pointer to RunWithExe, which dereferences WindowTab::filePath. A local process in the same interactive Windows session, at an integrity level greater than or equal t...

EUVD-2026-95408

SumatraPDF is a multi-format reader for Windows. In 3.6.1 and earlier, FrameOnCommand handles CmdExec by passing a null current-tab pointer to RunWithExe, which dereferences WindowTab::filePath. A local process in the same interactive Windows session, at an integrity level greater than or equal t...

CVE-2026-48770

Notepad++ is a free and open-source source code editor. Prior to 8.9.6.1, a local process in the same interactive Windows session can send a malformed WMCOPYDATA message to Notepad++ using the COPYDATAFULLCMDLINE path. The handler appears to process COPYDATASTRUCT.lpData as an unbounded...

EUVD-2026-39908

Notepad++ is a free and open-source source code editor. Prior to 8.9.6.1, a local process in the same interactive Windows session can send a malformed WMCOPYDATA message to Notepad++ using the COPYDATAFULLCMDLINE path. The handler appears to process COPYDATASTRUCT.lpData as an unbounded...

CVE-2026-48770: Out-of-bounds Read

Notepad++ is a free and open-source source code editor. Prior to 8.9.6.1, a local process in the same interactive Windows session can send a malformed WMCOPYDATA message to Notepad++ using the COPYDATAFULLCMDLINE path. The handler appears to process COPYDATASTRUCT.lpData as an unbounded...

EUVD-2001-0015

Malware in sbrugna...

Greenshot < 1.3.301 Deserialization of Untrusted Data (CVE-2025-59050)

The Greenshot installation on the remote Windows host is prior to 1.3.301. It is, therefore, affected by a deserialization of untrusted data vulnerability: - Greenshot 1.3.300 and earlier deserializes attacker-controlled data received in a WMCOPYDATA message using BinaryFormatter.Deserialize...

CVE-2025-59050 Greenshot — Insecure .NET deserialization via WM_COPYDATA enables local code execution

Greenshot is an open source Windows screenshot utility. Greenshot 1.3.300 and earlier deserializes attacker-controlled data received in a WMCOPYDATA message using BinaryFormatter.Deserialize without prior validation or authentication, allowing a local process at the same integrity level to trigge...

CVE-2025-59050

Greenshot is an open source Windows screenshot utility. Greenshot 1.3.300 and earlier deserializes attacker-controlled data received in a WMCOPYDATA message using BinaryFormatter.Deserialize without prior validation or authentication, allowing a local process at the same integrity level to trigge...

CVE-2025-59050: Deserialization of Untrusted Data

Greenshot is an open source Windows screenshot utility. Greenshot 1.3.300 and earlier deserializes attacker-controlled data received in a WMCOPYDATA message using BinaryFormatter.Deserialize without prior validation or authentication, allowing a local process at the same integrity level to trigge...

ROS-2-1372

2.1372 Vulnerability in Mozilla Thunderbird email client CVE-2021-29964, CVE-2021-29967 1. Vulnerability description: CVE-2021-29964 A vulnerability in the Mozilla Thunderbird email client, is related to boundary conditions. Exploitation of the vulnerability could allow an attacker acting remotel...

ROS-2-1206

2.1206 Vulnerability in Mozilla Thunderbird email client CVE-2021-29964, CVE-2021-29967 1. Vulnerability description: CVE-2021-29964 A vulnerability in the Mozilla Thunderbird email client, is related to boundary conditions. Exploitation of the vulnerability could allow an attacker acting remotel...