Vulnerabilities / CVE-2018-3750

critical

CVE-2018-3750

nodejs-deep-extend: Prototype pollution can allow attackers to modify object properties

Published Modified CWE 20
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
GHSA9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat4.2CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L

Trivy's own label is CRITICAL. Rated critical by NVD, GHSA. Rated lower by AlmaLinux (medium), Rocky Linux (medium), Ubuntu (medium), Red Hat (low).

Description

The utilities function in all versions <= 0.5.0 of the deep-extend node module can be tricked into modifying the prototype of Object when the attacker can control part of the structure passed to this function. This can let an attacker add or modify existing properties that will exist on all objects.

Affected packages and fixed versions

SourcePackageFixed in
npm::GitHub Security Advisory npmdeep-extend0.5.1
alma 8nodejs:10::nodejs-nodemon, nodejs:10::nodejs-packaging2.0.3-1.module_el8.4.0+2521+c668cc9f and 1 more
debian 11node-deep-extend0.4.1-2
debian 12node-deep-extend0.4.1-2
debian 13node-deep-extend0.4.1-2
debian 14node-deep-extend0.4.1-2
echonode-deep-extend0.4.1-2
Red Hatnodejs:10::nodejs-nodemonno fix listed
rocky 8nodejs:12::nodejs-nodemon, nodejs:12::nodejs-packaging2.0.3-1.module+el8.6.0+982+9fdca2d4 and 1 more
ubuntu 18.04-ESMnode-deep-extendno fix listed
Show all 12 entries from 10 sources
SourcePackageFixed in
npm::GitHub Security Advisory npmdeep-extend0.5.1
alma 8nodejs:10::nodejs-nodemon2.0.3-1.module_el8.4.0+2521+c668cc9f
alma 8nodejs:10::nodejs-packaging17-3.module_el8.3.0+2023+d2377ea3
debian 11node-deep-extend0.4.1-2
debian 12node-deep-extend0.4.1-2
debian 13node-deep-extend0.4.1-2
debian 14node-deep-extend0.4.1-2
echonode-deep-extend0.4.1-2
Red Hatnodejs:10::nodejs-nodemonno fix listed
rocky 8nodejs:12::nodejs-nodemon2.0.3-1.module+el8.6.0+982+9fdca2d4
rocky 8nodejs:12::nodejs-packaging17-3.module+el8.3.0+101+f84c7154
ubuntu 18.04-ESMnode-deep-extendno fix listed

References

All 25 references

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.