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Update to zlib 1.3.2#852

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codeHusky merged 1 commit intoMCLCE:mainfrom
Trao-X:main
Mar 7, 2026
Merged

Update to zlib 1.3.2#852
codeHusky merged 1 commit intoMCLCE:mainfrom
Trao-X:main

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@Trao-X
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@Trao-X Trao-X commented Mar 7, 2026

Description

Updates the game to zlib 1.3.2, because the previous version was full of vulnerabilities, including RCE. (Doesn't fix all RCE exploits, but fixes at least one cause).

One of the developers said that it's because of an old zlib version.

Changes

Previous Behavior

Previously, multiplayer would have been insecure by using the old version.

Root Cause

I guess because it's old and people don't code very good?

New Behavior

Multiplayer is more secure now, but there could still be RCE or other vulnerabilities from other sources.

Fix Implementation

I cloned the develop branch from the zlib GitHub repository and made a commit to it to my fork and opened this pull request.

AI Use Disclosure

No. This is the most simplest process, why use AI here?

@void2012
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void2012 commented Mar 7, 2026

Please test the world saving, run the version with new zlib and without and see if it does break anything.

@Trao-X
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Trao-X commented Mar 7, 2026

I'll test it.

@Trao-X
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Trao-X commented Mar 7, 2026

Looks fine to me, but only when I restart the game the New World thing appears. Was this always the case?

@Trao-X
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Trao-X commented Mar 7, 2026

Nevermind, those were just my old saves.

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Trao-X commented Mar 7, 2026

Minecraft.Client_KokWgj28AD.mp4

Saving looks good to me, sorry for the compression because I needed to fit the 10 MB file limit.

@codeHusky codeHusky merged commit bbe396d into MCLCE:main Mar 7, 2026
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catweaselirl pushed a commit to catweaselirl/MinecraftConsoles that referenced this pull request Mar 13, 2026
S1l3ntStr1ke87 referenced this pull request in mclemp/MCLEClient Mar 17, 2026
Fix issue where visually the HUD shows you have 0 hearts when you dont (smartcmd#1089)
prevent TNT minecarts from exploding if TNT host option is disabled (smartcmd#921)
Fix tamed horses despawning when player moves away (smartcmd#1057)
Fixed DLC map loading / saving, missing chunks (smartcmd#1114)
Fixed Enderman, monster aggro in creative (smartcmd#1051)
Fix missing break statement for minecarts (smartcmd#930)
Flame not working with oneshot arrow (smartcmd#856)
Fix SubEntity hitbox hit detection (smartcmd#1175)
Don't block KEYDOWN messages (smartcmd#698)
Reimplement boat gravity again. (smartcmd#988)
Update to zlib 1.3.2 (smartcmd#852)
Add a fuck ton of Skin Packs
ArchieDxncan pushed a commit to ArchieDxncan/LegacyDxncan that referenced this pull request Apr 1, 2026
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3 participants