Critical severity9.8NVD Advisory· Published Jul 14, 2021· Updated Jun 17, 2026
CVE-2021-25953
CVE-2021-25953
Description
Prototype pollution vulnerability in 'putil-merge' versions1.0.0 through 3.6.6 allows attacker to cause a denial of service and may lead to remote code execution.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
putil-mergenpm | >= 1.0.0, < 3.7.0 | 3.7.0 |
Affected products
3- cpe:2.3:a:putil-merge_project:putil-merge:*:*:*:*:*:*:*:*Range: >=1.0.0,<=3.6.6
- putil-merge/putil-mergedescription
Patches
Vulnerability mechanics
References
3- www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25953nvdExploitThird Party AdvisoryWEB
- github.com/advisories/GHSA-9x7m-9hpg-xxmwghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-25953ghsaADVISORY
News mentions
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