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    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-12829",
        "assignerOrgId": "ff89ba41-3aa1-4d27-914a-91399e9639e5",
        "state": "PUBLISHED",
        "assignerShortName": "AMZN",
        "dateReserved": "2025-11-06T19:31:27.190Z",
        "datePublished": "2025-11-07T18:04:15.700Z",
        "dateUpdated": "2025-11-07T18:13:55.938Z"
    },
    "containers": {
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            "affected": [
                {
                    "defaultStatus": "unaffected",
                    "product": "Ion-C",
                    "vendor": "Amazon",
                    "versions": [
                        {
                            "status": "unaffected",
                            "version": "1.1.4"
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                    ]
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            ],
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                    "lang": "en",
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                            "base64": false,
                            "type": "text/html",
                            "value": "<p>An uninitialized stack read issue exists in Amazon Ion-C versions &lt;v1.1.4 that may allow a threat actor to craft data and serialize it to Ion text in such a way that sensitive data in memory could be exposed through UTF-8 escape sequences. To mitigate this issue, users should upgrade to version v1.1.4.</p>"
                        }
                    ],
                    "value": "An uninitialized stack read issue exists in Amazon Ion-C versions <v1.1.4 that may allow a threat actor to craft data and serialize it to Ion text in such a way that sensitive data in memory could be exposed through UTF-8 escape sequences. To mitigate this issue, users should upgrade to version v1.1.4."
                }
            ],
            "impacts": [
                {
                    "capecId": "CAPEC-540",
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "CAPEC-540: Overread Buffers"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV4_0": {
                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "attackVector": "LOCAL",
                        "baseScore": 6.9,
                        "baseSeverity": "MEDIUM",
                        "exploitMaturity": "NOT_DEFINED",
                        "privilegesRequired": "NONE",
                        "providerUrgency": "NOT_DEFINED",
                        "subAvailabilityImpact": "NONE",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "userInteraction": "NONE",
                        "valueDensity": "NOT_DEFINED",
                        "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
                        "version": "4.0",
                        "vulnAvailabilityImpact": "NONE",
                        "vulnConfidentialityImpact": "HIGH",
                        "vulnIntegrityImpact": "NONE",
                        "vulnerabilityResponseEffort": "NOT_DEFINED"
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                            "lang": "en",
                            "value": "GENERAL"
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                        "attackComplexity": "LOW",
                        "attackVector": "LOCAL",
                        "availabilityImpact": "NONE",
                        "baseScore": 6.2,
                        "baseSeverity": "MEDIUM",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "NONE",
                        "privilegesRequired": "NONE",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
                        "version": "3.1"
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                            "value": "GENERAL"
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            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-125",
                            "description": "CWE-125: Out-of-bounds Read",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "ff89ba41-3aa1-4d27-914a-91399e9639e5",
                "shortName": "AMZN",
                "dateUpdated": "2025-11-07T18:11:00.416Z"
            },
            "references": [
                {
                    "tags": [
                        "vendor-advisory"
                    ],
                    "url": "https://aws.amazon.com/security/security-bulletins/AWS-2025-027/"
                },
                {
                    "tags": [
                        "patch"
                    ],
                    "url": "https://github.com/amazon-ion/ion-c/releases/tag/v1.1.4"
                },
                {
                    "tags": [
                        "vendor-advisory"
                    ],
                    "url": "https://github.com/amazon-ion/ion-c/security/advisories/GHSA-7mgf-6x73-5h7r"
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "x_generator": {
                "engine": "Vulnogram 0.5.0"
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        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2025-11-07T18:13:07.625400Z",
                                "id": "CVE-2025-12829",
                                "options": [
                                    {
                                        "Exploitation": "none"
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                                        "Automatable": "no"
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                                        "Technical Impact": "partial"
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                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
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                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2025-11-07T18:13:55.938Z"
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