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ImHex is a free cross-platform hex editor available on Windows, macOS, and Linux. [ 1 ] ImHex is used by programmers and reverse engineers to view and analyze binary data.
n pops the top of the stack and prints it without a trailing newline. f prints the entire stack with one entry per line. dc also supports arbitrary input and output radices. The i command pops the top of the stack and uses it for the input base. Hex digits must be in upper case to avoid collisions with dc commands and are limited to A-F.
Stack Overflow is a question-and-answer website for computer programmers. It is the flagship site of the Stack Exchange Network . [ 2 ] [ 3 ] [ 4 ] It was created in 2008 by Jeff Atwood and Joel Spolsky .
In addition to the standard features more or less typical for other hex editors, FlexHex offers a few unique ones. Specifically, FlexHex is the only hex editor that can create or edit NTFS alternate streams, sparse files, and OLE structured storage. Edits files, alternate streams, OLE compound files, logical and physical disks,
March 7, 2023: DOS, Win95 and up Yes Yes Cheat Engine: Yes No Proprietary freeware 7.2 August 14, 2021: Yes Yes, ver. 6.2 No GNU Emacs: Yes Yes GPL-3.0-or-later: 29.1 [2] July 30, 2023: Yes Yes Yes FlexHex: Yes No Proprietary freeware for personal use 2.7 October 12, 2018: Windows XP and up No No Frhed (Free Hex Editor) Yes No GPL-2.0-or-later ...
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A stack buffer overflow can be caused deliberately as part of an attack known as stack smashing. If the affected program is running with special privileges, or accepts data from untrusted network hosts (e.g. a webserver ) then the bug is a potential security vulnerability .
Canaries or canary words or stack cookies are known values that are placed between a buffer and control data on the stack to monitor buffer overflows. When the buffer overflows, the first data to be corrupted will usually be the canary, and a failed verification of the canary data will therefore alert of an overflow, which can then be handled, for example, by invalidating the corrupted data.