{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-10037", "assignerOrgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc", "state": "PUBLISHED", "assignerShortName": "canonical", "dateReserved": "2026-05-28T19:27:23.004Z", "datePublished": "2026-07-08T21:18:56.577Z", "dateUpdated": "2026-07-08T21:18:56.577Z"}, "containers": {"cna": {"title": "Sandbox Escape in Ubuntu OpenJDK Packages via xdg-desktop-portal", "datePublic": "2026-07-08T15:46:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-20", "description": "CWE-20 Improper input validation", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-233", "descriptions": [{"lang": "en", "value": "CAPEC-233 Privilege Escalation"}]}], "affected": [{"vendor": "Canonical", "product": "Ubuntu", "packageName": "openjdk-8", "defaultStatus": "unaffected"}, {"vendor": "Canonical", "product": "Ubuntu", "packageName": "openjdk-9", "defaultStatus": "unaffected"}, {"vendor": "Canonical", "product": "Ubuntu", "packageName": "openjdk-13", "defaultStatus": "unaffected"}, {"vendor": "Canonical", "product": "Ubuntu", "packageName": "openjdk-16", "defaultStatus": "unaffected"}, {"vendor": "Canonical", "product": "Ubuntu", "packageName": "openjdk-17", "defaultStatus": "unaffected"}, {"vendor": "Canonical", "product": "Ubuntu", "packageName": "openjdk-18", "defaultStatus": "unaffected"}, {"vendor": "Canonical", "product": "Ubuntu", "packageName": "openjdk-21", "defaultStatus": "unaffected"}, {"vendor": "Canonical", "product": "Ubuntu", "packageName": "openjdk-25", "defaultStatus": "unaffected"}, {"vendor": "Canonical", "product": "Ubuntu", "packageName": "openjdk-lts", "defaultStatus": "unaffected"}, {"vendor": "Canonical", "product": "Ubuntu", "packageName": "mailcap", "versions": [{"status": "affected", "version": "0", "lessThan": "3.70+nmu1ubuntu1.22.04.1", "versionType": "custom"}, {"status": "affected", "version": "0", "lessThan": "3.70+nmu1ubuntu1.24.04.1", "versionType": "custom"}, {"status": "affected", "version": "0", "lessThan": "3.74ubuntu1.1", "versionType": "custom"}, {"status": "affected", "version": "0", "lessThan": "3.75ubuntu1.1", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "A sandbox escape vulnerability exists in the OpenJDK packages provided in Ubuntu. The .jar MIME handlers installed by these packages execute files marked as executable when the mailcap package is installed. A compromised or malicious sandboxed application with access to the OpenURI portal via xdg-desktop-portal-gtk can write a malicious .jar file to the host file system, set its executable bit, and trigger the handler to execute arbitrary code outside of the sandbox environment.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "A sandbox escape vulnerability exists in the OpenJDK packages provided in Ubuntu. The .jar MIME handlers installed by these packages execute files marked as executable when the mailcap package is installed. A compromised or malicious sandboxed application with access to the OpenURI portal via xdg-desktop-portal-gtk can write a malicious .jar file to the host file system, set its executable bit, and trigger the handler to execute arbitrary code outside of the sandbox environment."}]}], "references": [{"url": "https://bugs.launchpad.net/ubuntu/+source/openjdk-25/+bug/2153100", "tags": ["issue-tracking"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "HIGH", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"}}], "credits": [{"lang": "en", "value": "Aaron Rainbolt", "type": "finder"}], "providerMetadata": {"orgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc", "shortName": "canonical", "dateUpdated": "2026-07-08T21:18:56.577Z"}, "x_generator": {"engine": "cvelib 1.8.0"}}}}

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