CVE-2026-49416

The CONSHISTORY ioctl handler did not adequately validate the requested history size. A large value caused an integer overflow in the buffer size calculation, resulting in a heap allocation smaller than expected. Subsequent initialization of the buffer wrote beyond the end of the allocation. An...

CVE-2026-49416 Integer overflow in vt(4) CONS_HISTORY ioctl

The CONSHISTORY ioctl handler did not adequately validate the requested history size. A large value caused an integer overflow in the buffer size calculation, resulting in a heap allocation smaller than expected. Subsequent initialization of the buffer wrote beyond the end of the allocation. An...

CVE-2026-49416

The CVE-2026-49416 issue affects FreeBSD vt(4) CONS_HISTORY: the ioctl handler validates the requested history size, but large values trigger an integer overflow in the buffer size calculation, causing a smaller heap allocation and an out-of-bounds write on initialization. This can enable an unpr...

EUVD-2026-39960

The CONSHISTORY ioctl handler did not adequately validate the requested history size. A large value caused an integer overflow in the buffer size calculation, resulting in a heap allocation smaller than expected. Subsequent initialization of the buffer wrote beyond the end of the allocation. An...

PT-2026-53065

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description The CONS HISTORY ioctl handler fails to properly validate the requested history size. Providing a large value leads to an integer overflow during the buffer size...

FreeBSD -- Integer overflow in vt(4) CONS_HISTORY ioctl

Problem Description: The CONSHISTORY ioctl handler did not adequately validate the requested history size. A large value caused an integer overflow in the buffer size calculation, resulting in a heap allocation smaller than expected. Subsequent initialization of the buffer wrote beyond the end of...

USN-5117-1: Linux kernel (OEM) vulnerabilities

It was discovered that the btrfs file system in the Linux kernel did not properly handle removing a non-existent device id. An attacker with CAPSYSADMIN could use this to cause a denial of service. CVE-2021-3739 It was discovered that the Qualcomm IPC Router protocol implementation in the Linux...