The Delete function fails to properly validate offsets when processing malformed JSON input. This can lead to a negative slice index and a runtime panic, allowing a denial of service attack.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service
CVSS Vector v3.1
References 4
https://github.com/buger/jsonparser/issues/275
security@golang.org
https://github.com/golang/vulndb/issues/4514
security@golang.org
https://pkg.go.dev/vuln/GO-2026-4514
security@golang.org
https://securityinfinity.com/research/buger-jsonparser-negative-slice-panic-dos…
134c704f-9b21-4f2e-91b3-4a467353bcc0