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1.18.1 Release Candidate 3 (known as 1.18.1-rc3 in the launcher) is the third and final release candidate for Java Edition 1.18.1, released on December 10, 2021,[1] which fixes a critical security issue.

Fixes

1 issue fixed
Other
  • Fixed a critical security issue in which attackers are able to execute code on others' devices (RCE exploit) via in-game messaging or other methods where the game logs a certain exploitable string formatted as ${jndi:ldap://<url>}, due to an upstream vulnerability in log4j2.[1][2][3]

Video

Video made by slicedlime:

References

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