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GHSA-x494-mj8g-cj27: gix-pack has multiple DoS vectors: unchecked indexing panics and uncapped OOM allocations from crafted pack data

May 5, 2026

Multiple denial-of-service vectors in gix-pack: unchecked array indexing causes panics on crafted delta data, and uncapped attacker-controlled size headers enable OOM process kills. Both are triggered by malicious pack data received during clone/fetch.

References

  • github.com/GitoxideLabs/gitoxide/security/advisories/GHSA-x494-mj8g-cj27
  • github.com/advisories/GHSA-x494-mj8g-cj27

Code Behaviors & Features

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Affected versions

All versions before 0.69.0

Fixed versions

  • 0.69.0

Solution

Upgrade to version 0.69.0 or above.

Impact 7.5 HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Learn more about CVSS

Weakness

  • CWE-248: Uncaught Exception
  • CWE-770: Allocation of Resources Without Limits or Throttling

Source file

cargo/gix-pack/GHSA-x494-mj8g-cj27.yml

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