What’s Vulnerable › Vulnerabilities

CVE-2026-32285: Denial of service in github.com/buger/jsonparser

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-03-26 · updated 2026-09-09
• Weakness: CWE-129

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

• github.com/buger/jsonparser: before 1.1.2 — fixed in 1.1.2

How to fix

Upgrade to a fixed version: github.com/buger/jsonparser 1.1.2. Check the vendor advisory for mitigations.

References

• https://github.com/buger/jsonparser/issues/275
• https://github.com/golang/vulndb/issues/4514
• https://pkg.go.dev/vuln/GO-2026-4514
• https://access.redhat.com/errata/RHSA-2026:13548
• https://access.redhat.com/errata/RHSA-2026:17121
• https://access.redhat.com/errata/RHSA-2026:17123
• https://access.redhat.com/errata/RHSA-2026:19099
• https://access.redhat.com/errata/RHSA-2026:21769
• https://access.redhat.com/errata/RHSA-2026:22347
• https://access.redhat.com/errata/RHSA-2026:22423
• https://access.redhat.com/errata/RHSA-2026:23345
• https://access.redhat.com/errata/RHSA-2026:34364

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