SyncBot: Sync: updated from Minecraft

2026-07-03T11:08:57Z

Sync: updated from Minecraft

← Older revision		Revision as of 11:08, 3 July 2026
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	{{Dangerous version\|multiple=true\|edition=java\|version=release\|Creative mode players with modified clients can create signs that can run any command. This was fixed in [[Minecraft:Java Edition 1.8.6\|1.8.6]].<br>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.<ref name="article_log4shell_vulnerability">{{Mcnet\|important-message--security-vulnerability-java-edition\|Important Message: Security vulnerability in Java Edition\|December 10, 2021}}</ref>}}		{{Dangerous version\|multiple=true\|edition=java\|version=release\|type=vulnerability\|Creative mode players with modified clients can create signs that can run any command. This was fixed in [[Minecraft:Java Edition 1.8.6\|1.8.6]].<br>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.<ref name="article_log4shell_vulnerability">{{Mcnet\|important-message--security-vulnerability-java-edition\|Important Message: Security vulnerability in Java Edition\|December 10, 2021}}</ref>}}
	{{Infobox version		{{Infobox version
	\|title=Minecraft 1.8.4		\|title=Minecraft 1.8.4
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	{{Navbox Java Edition versions\|1.0}}		{{Navbox Java Edition versions\|1.0}}

	~~[[Category:Java Edition releases with vulnerabilities]]~~
	~~[[Category:Java Edition releases that cause file damage]]~~
	[[Minecraft:de:1.8.4]]		[[Minecraft:de:1.8.4]]
	[[Minecraft:es:Java Edition 1.8.4]]		[[Minecraft:es:Java Edition 1.8.4]]

SyncBot: Sync: new page from Minecraft

2026-06-29T11:11:43Z

Sync: new page from Minecraft

New page

{{Dangerous version|multiple=true|edition=java|version=release|Creative mode players with modified clients can create signs that can run any command. This was fixed in [[Minecraft:Java Edition 1.8.6|1.8.6]].<br>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.<ref name="article_log4shell_vulnerability">{{Mcnet|important-message--security-vulnerability-java-edition|Important Message: Security vulnerability in Java Edition|December 10, 2021}}</ref>}}
{{Infobox version
|title=Minecraft 1.8.4
|edition=Java
|image=Java Edition 1.8.4.png
|date=April 17, 2015
|clienthash=459204fabee3fd9976a6c942b24cbd8382d02d6e
|jsonhash=bf6b4b4bef435804faacc6fb8d350119a7482262
|serverhash=dd4b5eba1c79500390e0b0f45162fa70d38f8a3d
|exehash=dc10e839bdb302ad472d05b25f23da25b216cb34
|prevparent=1.8
|prev=1.8.3
|next=1.8.5
|nextparent=1.9
}}<onlyinclude>

'''1.8.4'''<ref>http://www.reddit.com/r/Minecraft/comments/32tb8e/hey_rminecraft_i_wanted_to_bring_light_to_an/cqeo2oe</ref> is a minor update to {{JE}} which was released on April 17, 2015,<ref name="official post">{{cite|url=https://www.mojang.com/2015/04/minecraft-1-8-4-security-release/|archive-url=https://web.archive.org/web/0/https://www.mojang.com/2015/04/minecraft-1-8-4-security-release/|title=Minecraft 1.8.4 Security Release|author=Dinnerbone|website=Mojang.com|date=April 17, 2015}}</ref> to fix various exploits and important security vulnerabilities,<ref>http://www.reddit.com/r/Minecraft/comments/32tb8e/hey_rminecraft_i_wanted_to_bring_light_to_an/</ref><ref>http://blog.ammaraskar.com/minecraft-vulnerability-advisory/</ref><ref>{{tweet|Dinnerbone|589042068615475201|That exploit posted last night is fixed in 1.8.4, but so are other (arguably worse) exploits. Be sure to update!|April 17, 2015}}</ref> as well as some other minor issues. 1.8.4 is compatible with [[Minecraft:Java Edition 1.8|1.8]] – [[Minecraft:Java Edition 1.8.3|1.8.3]] servers.<ref>http://mcupdate.tumblr.com/post/116645435739/minecraft-1-8-4</ref>

== Changes ==
=== Mobs ===
'''[[Minecraft:Ocelot]]s and [[Minecraft:wolves]]'''
* No longer follow players in Spectator mode.

=== Gameplay ===
'''[[Minecraft:Nether portal]]'''
* Traveling through no longer places the player outside the portal.<ref>https://bugs.mojang.com/browse/MC-73504?focusedCommentId=224785&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-224785</ref>

=== General ===
'''[[Minecraft:Skin]] customization'''
* Player head skins can no longer be loaded from arbitrary servers.<ref>{{reddit|32xdcl/the_end_of_custom_player_heads}}</ref>
** They must now be loaded from the official [[Minecraft:Mojang]] servers.
* Player head skin files are now required to be a ''.png'' file.

== Fixes ==
{{fixes|fixedin=1.8.4|prefix=Minecraft
|;From released versions before 1.8
|10979|Hardcore single player has repeating screens and weird links.
|;From 1.8
|46771|Pets follow player in Spectator.
|61758|Vines no longer spread correctly in corners.
|61895|Crash when putting the default spawn egg in monster spawner.
|68642|Certain characters cannot be typed on certain keyboard layouts ("AltGr" behaving like "Ctrl").
|;From 1.8.1
|73504|Nether portals place players two blocks beside the portal.
|77371|Mac OS X weird keyboard when native Fullscreen.
|78020|"User (formerly known as olduser) has joined" shows multiple times.
|;From 1.8.3
|78491|Custom player heads exposing player's IP address.
|79152|Security vulnerabilities involving skulls.
|79468|3D item model glitch.
|79612|NBT accounting incorrectly allows for giant allocations of empty lists.
|;Private issues
|78495|Duplicating items<ref name="official post" />
|79079|Malicious clients can force a server to freeze.<ref name="official post" />
}}</onlyinclude>

== Videos ==
{{slicedlime|6jazMSpWkvQ}}

== References ==
{{reflist}}

== Navigation ==
{{Navbox Java Edition versions|1.0}}

[[Category:Java Edition releases with vulnerabilities]]
[[Category:Java Edition releases that cause file damage]]
[[Minecraft:de:1.8.4]]
[[Minecraft:es:Java Edition 1.8.4]]
[[Minecraft:fr:Édition Java 1.8.4]]
[[Minecraft:ja:Java Edition 1.8.4]]
[[Minecraft:ko:Java Edition 1.8.4]]
[[Minecraft:pl:1.8.4]]
[[Minecraft:pt:Edição Java 1.8.4]]
[[Minecraft:ru:1.8.4 (Java Edition)]]
[[Minecraft:zh:Java版1.8.4]]

Minecraft:Java Edition 1.8.4 - Revision history

SyncBot: Sync: updated from Minecraft

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