CVE-2018-16492

unknown
Published 2019-02-07 ยท Modified 2026-02-03
CVSS v3
โ€”
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
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Description

A prototype pollution vulnerability was found in module extend <2.0.2, ~<3.0.2 that allows an attacker to inject arbitrary properties onto Object.prototype.

Predictions

Exploit likelihood
20%
Patch ETA
โ€”

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ€” if you've already worked around this in production โ€” publish your fix to the community-verified tier.

โœš Propose a mitigation on Community โ†’ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

debian Debian Fixed 5 releases
VersionStatusFixed in
trixie Fixed 3.0.2-1
sid Fixed 3.0.2-1
forky Fixed 3.0.2-1
bullseye Fixed 3.0.2-1
bookworm Fixed 3.0.2-1

Package impact

EcosystemPackageVulnerableFixed
npm npmextend>=3.0.0,<3.0.23.0.2
npm npmextend>=1.1.3,<2.0.22.0.2

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.