{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-3839", "assignerOrgId": "92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5", "state": "PUBLISHED", "assignerShortName": "fedora", "dateReserved": "2025-04-21T09:25:27.628Z", "datePublished": "2026-01-23T03:55:58.802Z", "dateUpdated": "2026-01-23T03:55:58.802Z"}, "containers": {"cna": {"title": "Epiphany: insecure external protocol invocation in epiphany", "metrics": [{"other": {"content": {"value": "Important", "namespace": "https://access.redhat.com/security/updates/classification/"}, "type": "Red Hat severity rating"}}, {"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N", "version": "3.1"}, "format": "CVSS"}], "descriptions": [{"lang": "en", "value": "A flaw was found in Epiphany, a tool that allows websites to open external URL handler applications with minimal user interaction. This design can be misused to exploit vulnerabilities within those handlers, making them appear remotely exploitable. The browser fails to properly warn or gate this action, resulting in potential code execution on the client device via trusted UI behavior."}], "affected": [{"versions": [{"status": "affected", "version": "0", "lessThan": "47.5", "versionType": "semver"}, {"status": "affected", "version": "48.0", "lessThan": "48.1", "versionType": "semver"}], "packageName": "epiphany", "collectionURL": "https://gitlab.gnome.org/GNOME/epiphany", "defaultStatus": "unaffected"}], "references": [{"url": "https://access.redhat.com/security/cve/CVE-2025-3839", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2361430", "name": "RHBZ#2361430", "tags": ["issue-tracking", "x_refsource_REDHAT"]}], "datePublic": "2025-04-21T00:00:00.000Z", "problemTypes": [{"descriptions": [{"cweId": "CWE-356", "description": "Product UI does not Warn User of Unsafe Actions", "lang": "en", "type": "CWE"}]}], "x_redhatCweChain": "CWE-356: Product UI does not Warn User of Unsafe Actions", "timeline": [{"lang": "en", "time": "2025-04-21T09:24:32.281000+00:00", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2025-04-21T00:00:00+00:00", "value": "Made public."}], "credits": [{"lang": "en", "value": "Red Hat would like to thank Michael Catanzaro for reporting this issue."}], "providerMetadata": {"orgId": "92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5", "shortName": "fedora", "dateUpdated": "2026-01-23T03:55:58.802Z"}}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw was found in Epiphany, a tool that allows websites to open external URL handler applications with minimal user interaction. This design can be misused to exploit vulnerabilities within those handlers, making them appear remotely exploitable. The browser fails to properly warn or gate this action, resulting in potential code execution on the client device via trusted UI behavior."}], "id": "CVE-2025-3839", "lastModified": "2026-01-23T05:16:21.753", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.0, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 5.8, "source": "patrick@puiterwijk.org", "type": "Secondary"}]}, "published": "2026-01-23T05:16:21.753", "references": [{"source": "patrick@puiterwijk.org", "url": "https://access.redhat.com/security/cve/CVE-2025-3839"}, {"source": "patrick@puiterwijk.org", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2361430"}], "sourceIdentifier": "patrick@puiterwijk.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-356"}], "source": "patrick@puiterwijk.org", "type": "Secondary"}]}

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{"created": "2026-01-23T10:27:02.730640+00:00", "updated": "2026-01-23T10:27:02.730675+00:00", "vendors": ["gnome", "gnome$PRODUCT$epiphany"]}