Bugs

1940s: The term 'debug'
- Sometimes attributed to Grace Hopper regarding MARK-II
1985-1987: Bug in Therac-25 kills patients
- In Canada
- Overdose of radiation sometimes
- Cause: Race conditions
1991: Patriot missile failure
- During First Gulf war
- In Dhahran, Saudi Arabia
- Failed to intercept Iraqi Scud missiles
- Cause: Overflow
  - Clock deviated too much ∵ operating non-stop too long
1994: Intel Pentium FDIV ubg
1996: Ariane V explodes
2005: 'Corrupted Blood'
- World of Warcraft (game) pandemic
- Started out as a bug, eventually became inspiration for feature
- Was examined as part of studies about Covid-19
2014: Heartbleed bug discovered in openSSL
- Active since 2012
- Bug in openSSL implementation of TLS
- Cause: Missing bound check leading to buffer overread
2014: Shellshock bug in bash
- aka bashdoor
- Attacker can execute anything
- Active since 1989
- Cause: ?
2015: Boeing 787 Dreamliner bug ˡ ˡ
- Need to reboot every 248 days
- Could make aircraft lose power ??
- Cause: Error in counting down time (ie, overflow)
2018: Boeing 737 MAX
- Bug in MCAS
2024: reddit vertical line
- Cause: Unicode not properly handled
- Old reddit interface uneffected
2025: Non-Italian numbers break ticket vending machines in Ancona, Italy
- For CartaFRECCIA
- https://bsky.app/profile/tobiaswatzl.bsky.social/post/3lnk2cgfgjk2q

Possible future bugs