CVE-2026-84268

CVE-2026-84268 is a heap-based buffer overflow in the gvfs SFTP backend (gvfsd-sftp process). When mounting a share and reading a file, the read_reply() function fails to validate the server-provided length against the allocated buffer size, allowing a malicious SFTP server to write past intended...

CVE-2026-84267: Use of Uninitialized Resource

A flaw was found in the SFTP backend in gvfs. When mounting a share, a malicious SFTP server can cause readstring to allocate a buffer with a certain length but the function does not verify that the buffer is completely filled, leaving the remainder of the buffer containing uninitialized heap...

PT-2026-84308

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CVE-2026-84268: Heap-based Buffer Overflow

A flaw was found in the SFTP backend in gvfs. When mounting a share and reading a file, a malicious SFTP server can cause readreply 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...

CVE-2026-84268: Heap-based Buffer Overflow

A flaw was found in the SFTP backend in gvfs. When mounting a share and reading a file, a malicious SFTP server can cause readreply 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...