# Left 4 Dead 2 Left 4 Dead 2 - Update

- Product: Left 4 Dead 2 (https://whatsnew.fyi/product/left-4-dead-2)
- Vendor: Valve
- Date: 2024-04-23
- Original notes: https://store.steampowered.com/news/app/550/view/4213755760606354384
- Permalink: https://whatsnew.fyi/product/left-4-dead-2/releases/2024-04-23-left-4-dead-2-update

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- **security** — Fixed an exploit where malicious network packets could severely degrade server performance
- **security** — Fixed a client exploit that could cause long server stalls
- **fixed** — Fixed a potential crash if a Charger failed to return to valid nav for an extended period of time
- **fixed** — Fixed a rare hang from ray traces encountering NaN values

An update has been released for Left 4 Dead 2:

- Fixed another exploit where malicious network packets could severely degrade server performance.
- Fixed a client exploit that could cause long server stalls.
- Fixed a potential crash if a Charger failed to return to valid nav for an extended period of time.
- Fixed a rare hang from ray traces encountering NaN values.