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Game update

Left 4 Dead 2 - Update

Left 4 Dead 2 · published · build 13535069

All eventsPlayers around this dateRead on Steam

An update has been released for Left 4 Dead 2:

- Fixed a degenerate case where malformed network packets could delay processing the remainder of the stream, severely impacting server performance.

More from Left 4 Dead 2

Other announcements

All events
Game update30 Jun 2026Left 4 Dead 2 - UpdateAn update has been released for Left 4 Dead 2. - Revised fix for Linux build including latest security patches.Game update26 Jun 2026Left 4 Dead 2 - UpdateAn update has been released for Left 4 Dead 2. - Fixed several crashes and exploits reported via HackerOne.Game update5 Feb 2025Left 4 Dead 2 - UpdateAn update has been released for Left 4 Dead 2. - Fixed a compatibility issue that was causing a crash on Linux clients.