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fix(gta-core-five): validate instance archetypes of manifold contact points#3990

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DaniGP17:fix/manifold-archetypes-exploit
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fix(gta-core-five): validate instance archetypes of manifold contact points#3990
DaniGP17 wants to merge 1 commit into
citizenfx:masterfrom
DaniGP17:fix/manifold-archetypes-exploit

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@DaniGP17
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@DaniGP17 DaniGP17 commented May 15, 2026

Goal of this PR

Fix a crash exploit related to manifold contact points, somehow they are making the archetype of a instance nullptr.

How is this PR achieving the goal

Hooking the IterateManifold function to validate instances and archetypes of the instances.

This PR applies to the following area(s)

FiveM

Successfully tested on

Game builds: 3258
Platforms: Windows

Checklist

  • Code compiles and has been tested successfully.
  • Code explains itself well and/or is documented.
  • My commit message explains what the changes do and what they are for.
  • No extra compilation warnings are added by these changes.

Fixes issues

fixes #3466
GTA5_b3258.exe+14CC990

@github-actions github-actions Bot added triage Needs a preliminary assessment to determine the urgency and required action invalid Requires changes before it's considered valid and can be (re)triaged and removed triage Needs a preliminary assessment to determine the urgency and required action labels May 15, 2026
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Multiple players near each other randomly crash at the same exact time

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