Vulnerability library
Security checkFebruary 19, 2026

devalue affected by CPU and memory amplification from sparse arrays

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Low severitynpmdevalue

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Description

Under certain circumstances, serializing sparse arrays using uneval or stringify could cause CPU and/or memory exhaustion. When this occurs on the server, it results in a DoS.

Recommendation

Update the devalue package to the latest compatible version. Followings are version details:

  • Affected version(s): <= 5.6.2
  • Patched version(s): 5.6.3

References

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Related Issues

See something that needs correcting? Let us knowUpdated February 19, 2026