What’s Vulnerable › Vulnerabilities

CVE-2021-4245: chbrown rfc6902 pointer.ts prototype pollution

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-12-15 · updated 2026-06-17
• Weakness: CWE-74

Description

A vulnerability classified as problematic has been found in chbrown rfc6902. This affects an unknown part of the file pointer.ts. The manipulation leads to improperly controlled modification of object prototype attributes ('prototype pollution'). The exploit has been disclosed to the public and may be used. The name of the patch is c006ce9faa43d31edb34924f1df7b79c137096cf. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-215883.

Affected products

• chbrown rfc6902: before 5.0.0 — fixed in 5.0.0

How to fix

Upgrade to a fixed version: chbrown rfc6902 5.0.0. Check the vendor advisory for mitigations.

References

• https://github.com/chbrown/rfc6902/commit/c006ce9faa43d31edb34924f1df7b79c137096cf
• https://github.com/chbrown/rfc6902/pull/76
• https://vuldb.com/?id.215883
• https://github.com/chbrown/rfc6902/commit/c006ce9faa43d31edb34924f1df7b79c137096cf
• https://github.com/chbrown/rfc6902/pull/76
• https://vuldb.com/?id.215883

Get alerted when CVE-2021-4245 or the next vulnerability affects your stack