Java Edition 1.7.7

This page covers a release version that has a critical issue under certain conditions.
 
The dedicated server for this version includes a security vulnerability in the Log4j library that could be used to perform a remote code execution exploit. It can be addressed by appending a certain JVM argument to the server startup command line.[1]
Minecraft 1.7.7
Java Edition 1.7.7.png: Infobox image for Minecraft 1.7.7 the version in Minecraft
Edition

Java Edition

Release date

April 9, 2014

Downloads

Original:
Client (.json)
No corresponding server
Reupload:
Client (.json)
Server (.exe)

Protocol version

5

Resource pack format

1

Minimum Java version

Java SE 6

1.7.7 is a minor update to Java Edition released on April 9, 2014,[2] to fix some crashes in some multiplayer servers from 1.7.6. It is compatible with 1.7.6 servers.

1.7.7 was reuploaded a day later on April 10, 2014, to remove the message Outdated server! pretending to be 1.7.7.

Fixes

  • Fixed some crashes for some multiplayer servers.[3]

Trivia

  • This is one of the only five Minecraft versions to end with 1.x.7, the other ones being 1.0.7 (2010), 1.4.7 (2013), 1.8.7 (2015), and 1.21.7 (2025).

References

  1. "Important Message: Security vulnerability in Java Edition"Minecraft.net, December 10, 2021.
  2. "Minecraft 1.7.8" (Archive) by Searge – Mojang.com, April 9, 2014.
  3. "We updated Minecraft to 1.7.7 to fix some nasty crashes."@SeargeDP (Michael Stoyke) on X (formerly Twitter), April 9, 2014

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