{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-86315", "assignerOrgId": "ca193ba2-0cff-4e34-b04e-1ea07103c6fe", "state": "PUBLISHED", "assignerShortName": "samsung.tv_appliance", "dateReserved": "2026-09-07T03:41:59.466Z", "datePublished": "2026-09-07T04:01:28.554Z", "dateUpdated": "2026-09-07T04:01:28.554Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "ca193ba2-0cff-4e34-b04e-1ea07103c6fe", "shortName": "samsung.tv_appliance", "dateUpdated": "2026-09-07T04:01:28.554Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-197", "description": "CWE-197 Numeric truncation error", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-100", "descriptions": [{"lang": "en", "value": "CAPEC-100 Overflow Buffers"}]}], "affected": [{"vendor": "Samsung Opensource", "product": "Escargot", "versions": [{"status": "affected", "version": "5dc93606abd42b859045add05d704a038e197359"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "An out-of-bounds write caused by numeric truncation Samsung Open Source Escargot on Linux x86-64 allows an attacker who can supply JavaScript for execution to corrupt native memory and crash the host process via a crafted class definition whose instance initialization entry count exceeds UINT16_MAX.\n\n\n\nThis issue affects Escargot: 5dc93606abd42b859045add05d704a038e197359.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "An out-of-bounds write caused by numeric truncation Samsung Open Source Escargot on Linux x86-64 allows an attacker who can supply JavaScript for execution to corrupt native memory and crash the host process via a crafted class definition whose instance initialization entry count exceeds UINT16_MAX.\n\n<p>This issue affects Escargot: 5dc93606abd42b859045add05d704a038e197359.</p>"}]}], "references": [{"url": "https://github.com/Samsung/escargot/pull/1660"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseSeverity": "MEDIUM", "baseScore": 6.2, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}}], "credits": [{"lang": "en", "value": "p4p3r of \uc2f8\uc774\ubc84\uc6d0", "type": "finder"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Escargot", "vendor": "Samsung Opensource", "versions": [{"status": "affected", "version": "5dc93606abd42b859045add05d704a038e197359"}]}], "source": "PSIRT@samsung.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An out-of-bounds write caused by numeric truncation Samsung Open Source Escargot on Linux x86-64 allows an attacker who can supply JavaScript for execution to corrupt native memory and crash the host process via a crafted class definition whose instance initialization entry count exceeds UINT16_MAX.\n\n\n\nThis issue affects Escargot: 5dc93606abd42b859045add05d704a038e197359."}], "id": "CVE-2026-86315", "lastModified": "2026-09-07T04:17:55.650", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.5, "impactScore": 3.6, "source": "PSIRT@samsung.com", "type": "Secondary"}]}, "published": "2026-09-07T04:17:55.650", "references": [{"source": "PSIRT@samsung.com", "url": "https://github.com/Samsung/escargot/pull/1660"}], "sourceIdentifier": "PSIRT@samsung.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-197"}], "source": "PSIRT@samsung.com", "type": "Secondary"}]}

{"bugzilla": {"description": "Escargot: Escargot: Out-of-bounds write leads to Denial of Service", "id": "2529280", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2529280"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.2", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-787", "details": ["A flaw was found in Samsung Open Source Escargot. This out-of-bounds write vulnerability, caused by numeric truncation, allows an attacker to corrupt native memory. By supplying specially crafted JavaScript for execution, a remote attacker can trigger this flaw, leading to the host process crashing and resulting in a denial of service (DoS)."], "name": "CVE-2026-86315", "package_state": [{"cpe": "cpe:/a:redhat:openshift_lightspeed", "fix_state": "Fix deferred", "package_name": "openshift-lightspeed-tech-preview/lightspeed-rag-tool-rhel9", "product_name": "OpenShift Lightspeed"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "rust", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "virt-firmware-rs", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "rust-toolset:rhel8/rust", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "rust", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:3", "fix_state": "Fix deferred", "package_name": "rust", "product_name": "Red Hat Enterprise Linux AI (RHEL AI) 3"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Not affected", "package_name": "aardvark-dns", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Not affected", "package_name": "chunkah", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Not affected", "package_name": "netavark", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Not affected", "package_name": "openshell", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Not affected", "package_name": "ruff", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Not affected", "package_name": "rust", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Not affected", "package_name": "rust-rpm-sequoia", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "conmon-rs", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift_update_service:5", "fix_state": "Fix deferred", "package_name": "openshift-update-service/openshift-update-service-rhel8", "product_name": "Red Hat OpenShift Update Service"}], "public_date": "2026-09-07T04:01:28Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-86315\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-86315\nhttps://github.com/Samsung/escargot/pull/1660"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "5dc93606abd42b859045add05d704a038e197359"}}], "enrichment": {"confidence": 98.0, "confidence_source": "matching", "scores": [{"score": 98.0, "source": "matching"}]}, "original": {"product": "Escargot", "source": "cna", "vendor": "Samsung Opensource"}, "product": "escargot", "vendor": "samsung_open_source"}], "created": "2026-09-07T05:30:17.378434+00:00", "title": "Out\u2011of\u2011Bounds Write via Numeric Truncation in Escargot Triggered by Excessive Class Instance Initialization Entry Count", "updated": "2026-09-07T05:30:17.499291+00:00", "vendors": ["samsung_open_source", "samsung_open_source$PRODUCT$escargot"]}