Executive brief
This CVE ID was rejected by NIST as a duplicate of an existing vulnerability report. No technical details or affected products could be determined from the advisory, as the CVE entry contains no substantive vulnerability information.
Technical details
CVE-2021-47996 was rejected by the CVE program as a duplicate entry. The NVD record does not contain a vulnerability description, affected products, or technical analysis. This rejection indicates the vulnerability was already documented under a different CVE ID. Without access to the canonical CVE entry, no technical assessment can be provided.
Affected products
- RubyGems nokogiri
Timeline
- 2026-08-25: other: CVE-2021-47996 rejected as duplicate