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| 1. The Jargon File (version 4.4.7, 29 Dec 2003) |
buffer overflow
n.
What happens when you try to stuff more data into a buffer (holding area)
than it can handle. This problem is commonly exploited by crackers to get
arbitrary commands executed by a program running with root permissions.
This may be due to a mismatch in the processing rates of the producing and
consuming processes (see overrun and firehose syndrome), or because the
buffer is simply too small to hold all the data that must accumulate before
a piece of it can be processed. For example, in a text-processing tool that
crunches a line at a time, a short line buffer can result in lossage as
input from a long line overflows the buffer and trashes data beyond it.
Good defensive programming would check for overflow on each character and
stop accepting data when the buffer is full up. The term is used of and by
humans in a metaphorical sense. ?What time did I agree to meet you? My
buffer must have overflowed.? Or ?If I answer that phone my buffer is going
to overflow.? See also spam, overrun screw.
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| 2. The Free On-line Dictionary of Computing (30 December 2018) |
buffer overflow
buffer overrun
What happens when you try to store more data in
a buffer than it can handle. This may be due to a mismatch
in the processing rates of the producing and consuming
processes (see overrun and firehose syndrome), or because
the buffer is simply too small to hold all the data that must
accumulate before a piece of it can be processed. For
example, in a text-processing tool that crunches a line at a
time, a short line buffer can result in lossage as input
from a long line overflows the buffer and overwrites data
beyond it. Good defensive programming would check for
overflow on each character and stop accepting data when the
buffer is full.
See also spam, overrun screw.
[Jargon File]
(1996-05-13)
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| Common Misspellings > |
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overbflow buffer over low buffer overf low buffer over flow buffer overfiow buffer overfliow buffer overfilow buffer overfoow buffer overfloow buffer overfolow buffer overfpow buffer overflpow buffer overfplow buffer overfkow buffer overflkow buffer overfklow buffer overf,ow buffer overfl,ow buffer overf,low buffer overf.ow buffer overfl.ow buffer overf.low buffer overfl9w buffer overflo9w buffer overfl9ow buffer overfl(w buffer overflo(w buffer overfl(ow buffer overfl0w buffer overflo0w buffer overfl0ow buffer overfliw buffer overfloiw buffer overfliow buffer overflpw buffer overflopw buffer overflpow buffer overflkw buffer overflokw buffer overflkow buffer overfllw buffer overflolw buffer overfllow buffer overflaw buffer overflew buffer overfluw buffer overflo2 buffer overflow2 buffer overflo2w buffer overflo@ buffer overflow@ buffer overflo@w buffer overflo3 buffer overflow3 buffer overflo3w buffer overfloq buffer overflowq buffer overfloqw buffer overfloe buffer overflowe buffer 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Definition commonly spelled as: Defanition or Defenition, Synonym as: Synonim, Sinonym or Sinonim, Thesaurus as: Thesorus or Thesauris, Dictionary as: Dictionery or Dictionry and Define is usually not misspelled. What does mispell meen? It Meens...
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