Description
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.
Affected products
jsonparser_project: jsonparser
References10
- securityinfinity.com/research/buger-jsonparser-negative-slice-p… ExploitThird Party Advisory
- github.com/buger/jsonparser/issues/275 Issue TrackingThird Party Advisory
- github.com/golang/vulndb/issues/4514 Issue TrackingThird Party Advisory
- pkg.go.dev/vuln/GO-2026-4514 Third Party Advisory
- access.redhat.com/errata/RHSA-2026:13548
- access.redhat.com/errata/RHSA-2026:17121
- access.redhat.com/errata/RHSA-2026:17123
- access.redhat.com/errata/RHSA-2026:19099
- access.redhat.com/errata/RHSA-2026:21769
- access.redhat.com/errata/RHSA-2026:22347
Metrics
- CVSS 3.1
-
7.5
HIGH
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - EPSS — exploit probability
- 1% percentile: 57 · as of 12 November 2026
- CWE
- CWE-129CWE-1285
Could this be exploited in your environment?
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