CVE-2026-32285
CVE-2026-32285 is a high-severity vulnerability in Jsonparser Project Jsonparser with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-129.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 1% (51st percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-16345
- Weakness: CWE-129
- Affected product: Jsonparser Project Jsonparser
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2026-32285?
- 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.
- How severe is CVE-2026-32285?
- CVE-2026-32285 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2026-32285 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-32285?
- CVE-2026-32285 affects Jsonparser Project Jsonparser. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-32285?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-32285 have an EU (EUVD) identifier?
- Yes. CVE-2026-32285 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-16345.
- When was CVE-2026-32285 published?
- CVE-2026-32285 was published on 2026-03-26 and last updated on 2026-07-06.
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
- https://access.redhat.com/errata/RHSA-2026:35111
- https://access.redhat.com/errata/RHSA-2026:7191
- https://access.redhat.com/errata/RHSA-2026:9385
- https://access.redhat.com/security/cve/CVE-2026-32285
- https://bugzilla.redhat.com/show_bug.cgi?id=2451846
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-32285.json
- https://securityinfinity.com/research/buger-jsonparser-negative-slice-panic-dos-2026
Affected products (1)
- cpe:2.3:a:jsonparser_project:jsonparser:*:*:*:*:*:*:*:*
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