bug

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Dictionary

bug

A persistent error in software or hardware. If the bug is in software, it can be corrected by changing the program. If the bug is in hardware, new circuits have to be designed. Although the...

Dictionary

Definition: bug

A persistent error in software or hardware. If the bug is in software, it can be corrected by changing the program. If the bug is in hardware, new circuits have to be designed.

Although the derivation of bug is generally attributed to the moth that was found squashed between the points of an electromechanical relay in a computer in the 1940s, the term goes back to the 1800s to refer to flaws in mechanical systems. See buggy, bug fix, software bug, broken and Web bug. Contrast with glitch.

A Note from the Author
On October 19, 1992, I found my first "real bug." When I fired up my laser printer, it printed blotchy pages. Upon inspection, I found a bug lying belly up in the trough below the corona wire. The printer worked fine after removing it!



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  • BlackBerry Bold 9900/9930 bricking bug still not fixed

    Some users are going through handsets at the rate of knots due to this problem.

    Blog posts | February 6, 2012 4:24am PST

  • Facebook tries to appease frustrated developers

    Developers this week complained about two separate Facebook issues. The first was in regards to the Javascript SDK and the second was about the Python SDK. Facebook responded to both.

    Blog posts | December 27, 2011 2:42pm PST

  • Facebook acknowledges photo privacy bug; Issues immediate fix

    Facebook has said that it fixed a bug that had allowed users to access other users' photos, even if their profile pages were locked down.

    Blog posts | December 6, 2011 11:29am PST

  • Gmail for iOS reappears after show-stopper bug

    Two weeks after Google's fumbled launch of its Gmail iOS application, it's back in the Apple App Store, with a number of new features, also.

    Blog posts | November 17, 2011 1:58am PST

  • iOS 5.0.1 update now available for download

    Battery bug fix goes public.

    Blog posts | November 10, 2011 10:35am PST

  • Google engineers claim that Chrome PWN bug is a Flash bug

    Yesterday I reported that security firm VUPEN claimed to have a Google Chrome browser exploit that bypassed the browser's sandbox and Windows ASLR and DEP security measures. Today Google engineers...

    Blog posts | May 11, 2011 1:55pm PDT

  • Pwn2Own 2011: BlackBerry falls to WebKit browser attack

    A trio of security researchers used the spotlight of the CanSecWest Pwn2Own contest here to exploit multiple WebKit vulnerabilities in an impressive browser attack against a BlackBerry Torch 9800...

    Blog posts | March 10, 2011 3:47pm PST

  • Pwn2Own 2011: IE8 on Windows 7 hijacked with 3 vulnerabilities

    Using three different vulnerabilities and clever exploitation techniques, Irish security researcher Stephen Fewer successfully hacked into a 64-bit Windows 7 (SP1) running Internet Explorer 8 to...

    Blog posts | March 9, 2011 4:45pm PST

  • First Look: Firefox 4 Beta 9

    On Friday Mozilla released Firefox 4 Beta 9, which will probably be the final beta build - finally! - for this browser before we hit Release Candidate and an official release sometime towards the...

    Blog posts | January 17, 2011 5:47am PST

  • iPhone bug leads to mass European sleep-in

    A bug in Apple's iOS4 meant that Europeans got an unexpected and for most an unwanted extra hour in bed following the end of Daylight Saving Time.

    Blog posts | November 1, 2010 4:01pm PDT

  • Google releases high-priority Chrome security repairs

    Google updated the stable and beta builds of its Chrome browser, making a fix marked as critical to the Mac version and numerous repairs marked as high-priority across all platforms.

    News items | September 15, 2010 6:31am PDT

  • Study reveals bug factor in Foursquare, Gowalla and Brightkite

    The uTest "Check-In Challenge" shows near 900 technical, functional and GUI bugs

    Blog posts | June 16, 2010 11:19am PDT

  • Facebook 'hijack any live chat' serious bug forces downtime

    Facebook chat is experiencing downtime due to a serious breach in privacy, where any user can view the live chat window for any of their friends.

    Blog posts | May 5, 2010 8:28am PDT

  • Last-minute bug zaps Ubuntu Lucid Lynx

    Ubuntu developers on Thursday surmounted a last-minute bug-fixing crisis to release Ubuntu Linux 10.04, codenamed Lucid Lynx.

    News items | April 30, 2010 10:40am PDT

  • Apache bug prompts update advice

    IT security company Sense of Security has discovered a serious bug in Apache's HTTP web server, which could allow a remote attacker to gain complete control of a database.

    News items | March 8, 2010 12:02pm PST

  • Windows phone date bug appears limited

    Microsoft said late Monday that a text message problem with certain Windows Mobile phones appears to be limited to a small percentage of devices.

    News items | January 12, 2010 5:06am PST

  • Firefox, Chrome get quick fixes

    Mozilla and Google have released new Firefox and Chrome browsers to fix bugs. The new Firefox patches one critical bug across Windows, Mac and Linux platforms.

    News items | November 6, 2009 4:42am PST

  • Microsoft: Human error caused critical SMB2 vulnerability

    Microsoft is blaming human error for the the critical SMB v2 vulnerability that exposed Windows users to remote code execution attacks

    Blog posts | October 19, 2009 9:35am PDT

  • Has the Snow Leopard bug hosed your data?

    The Apple support forum contains numerous references to a Snow Leopard bug that result in the deletion of all of the user account data.

    Blog posts | October 12, 2009 2:57pm PDT

  • Windows 7 zero-day reported

    A security researcher said there is a zero-day vulnerability affecting Windows 7 and Vista. The alleged flaw could allow an attack that could cause the "Blue Screen of Death."

    News items | September 8, 2009 8:23am PDT

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