critical9.8
CVE-2021-3918
json-schema is vulnerable to Prototype Pollution
Impact
json-schema before version 0.4.0 is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution').
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| npm | json-schema | < 0.4.0 | 0.4.0 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Json-Schema Project | Json-Schema | before 0.4.0 |
| Debian | Debian Linux | Version 10.0 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/kriszyp/json-schema/commit/22f146111f541d9737e832823699ad3528ca7741
- https://huntr.dev/bounties/bb6ccd63-f505-4e3a-b55f-cd2662c261a9
- https://lists.debian.org/debian-lts-announce/2022/12/msg00013.html
- https://security.netapp.com/advisory/ntap-20250117-0004/
- https://github.com/advisories/GHSA-896r-f27r-55mw
- https://nvd.nist.gov/vuln/detail/CVE-2021-3918
- https://github.com/kriszyp/json-schema/commit/b62f1da1ff5442f23443d6be6a92d00e65cba93a
- https://github.com/kriszyp/json-schema/commit/f6f6a3b02d667aa4ba2d5d50cc19208c4462abfa
- https://security.netapp.com/advisory/ntap-20250117-0004