CVE-2026-7838

UltraVNC viewer up to 1.8.2.2 is affected by an integer overflow leading to a heap buffer overflow in the RFB failure-response parsing path. In vncviewer/ClientConnection.cpp, the 4-byte reasonLen field is used as reasonLen+1 in CheckBufferSize(); with unsigned 32-bit operands, reasonLen 0xFFFFFF...

EUVD-2026-40884

UltraVNC viewer through 1.8.2.2 contains an integer overflow leading to a heap buffer overflow in the RFB protocol failure-response parsing path. In vncviewer/ClientConnection.cpp, the 4-byte network-supplied reasonLen field type CARD32 is passed as reasonLen+1 to CheckBufferSize. Because both...

CVE-2026-7838 UltraVNC viewer heap buffer overflow via integer overflow in RFB connection-failure reason length

UltraVNC viewer through 1.8.2.2 contains an integer overflow leading to a heap buffer overflow in the RFB protocol failure-response parsing path. In vncviewer/ClientConnection.cpp, the 4-byte network-supplied reasonLen field type CARD32 is passed as reasonLen+1 to CheckBufferSize. Because both...

EUVD-2026-40794

Use after free in Scheduling in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. Chromium security severity: Low...

EUVD-2026-40791

Insufficient validation of untrusted input in WebAppInstalls in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. Chromium security severity: Low...

EUVD-2026-40795

Use after free in PDFium in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted PDF file. Chromium security severity: Low...

EUVD-2026-40778

Use after free in DevTools in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. Chromium security severity: Low...

EUVD-2026-40773

Insufficient policy enforcement in HID in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to execute arbitrary code via a crafted HTML page. Chromium security severity: Low...

EUVD-2026-40751

Use after free in PageInfo in Google Chrome on Android prior to 150.0.7871.47 allowed a remote attacker who convinced a user to engage in specific UI gestures to execute arbitrary code via a crafted HTML page. Chromium security severity: Low...

EUVD-2026-40754

Use after free in Chrome for iOS in Google Chrome on iOS prior to 150.0.7871.47 allowed a remote attacker to execute arbitrary code via a crafted HTML page. Chromium security severity: Low...

EUVD-2026-40694

Use after free in Navigation in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to execute arbitrary code via a crafted HTML page. Chromium security severity: Medium...

EUVD-2026-40656

Insufficient validation of untrusted input in DevTools in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who convinced a user to engage in specific UI gestures to execute arbitrary code inside a sandbox via a malicious file. Chromium security severity: Medium...

EUVD-2026-40655

Heap buffer overflow in V8 in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. Chromium security severity: Medium...

EUVD-2026-40653

Use after free in Oilpan in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. Chromium security severity: Medium...

EUVD-2026-40611

Inappropriate implementation in Downloads in Google Chrome on Windows prior to 150.0.7871.47 allowed a remote attacker who convinced a user to engage in specific UI gestures to execute arbitrary code via a crafted HTML page. Chromium security severity: Medium...

EUVD-2026-40584

Use after free in Cast Receiver in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. Chromium security severity: Medium...

EUVD-2026-40585

Use after free in HTML in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. Chromium security severity: Medium...

EUVD-2026-40574

Use after free in Extensions in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. Chromium security severity: Medium...

EUVD-2026-40516

Use after free in Chromoting in Google Chrome on Linux prior to 150.0.7871.47 allowed a remote attacker to execute arbitrary code via malicious network traffic. Chromium security severity: High...

EUVD-2026-40531

Use after free in DOM in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. Chromium security severity: High...