CVE-2026-84851

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Source

https://cve.org/CVERecord?id=CVE-2026-84851

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-84851.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-84851

Aliases

GHSA-9gfg-hgj4-gh44

Published

2026-09-02T20:19:55.616Z

Modified

2026-09-05T03:31:04.437183320Z

Severity

8.7 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CVSS Calculator

Summary

Uncontrolled recursion in the Ion reader in Amazon Ion-C before 1.1.6

Details

An uncontrolled recursion issue exists in Amazon Ion-C versions before 1.1.6 that might allow a remote unauthenticated actor to craft Ion data that exhausts the native call stack and crashes the application using the library, resulting in a denial of service.

Database specific

{
    "cwe_ids": [
        "CWE-674"
    ],
    "cna_assigner": "AMZN",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/84xxx/CVE-2026-84851.json"
}

References

Affected packages

Git / github.com/amazon-ion/ion-c

Affected ranges

Type

GIT

Repo

https://github.com/amazon-ion/ion-c

Events

Introduced

Fixed

493c12251be6ad93b924abb5cf8621e69f1dd2d5

Database specific

Show details

{
    "source": [
        "AFFECTED_FIELD",
        "DESCRIPTION",
        "REFERENCES"
    ],
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "1.1.6"
        }
    ]
}

Affected versions

v1.*

v1.0.0

v1.0.1

v1.0.2

v1.0.3

v1.0.5

v1.0.6

v1.1.0

v1.1.2

v1.1.3

v1.1.4

v1.1.5

v1.4.0

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-84851.json"