{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-13946", "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "state": "PUBLISHED", "assignerShortName": "GitLab", "dateReserved": "2025-12-03T07:33:42.822Z", "datePublished": "2025-12-03T08:04:54.335Z", "dateUpdated": "2025-12-03T08:04:54.335Z"}, "containers": {"cna": {"title": "Loop with Unreachable Exit Condition ('Infinite Loop') in Wireshark", "descriptions": [{"lang": "en", "value": "MEGACO dissector infinite loop in Wireshark 4.6.0 to 4.6.1 and 4.4.0 to 4.4.11 allows denial of service"}], "affected": [{"vendor": "Wireshark Foundation", "product": "Wireshark", "versions": [{"version": "4.6.0", "status": "affected", "lessThan": "4.6.1", "versionType": "semver"}, {"version": "4.4.0", "status": "affected", "lessThan": "4.4.11", "versionType": "semver"}], "defaultStatus": "unaffected"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')", "cweId": "CWE-835", "type": "CWE"}]}], "references": [{"url": "https://www.wireshark.org/security/wnpa-sec-2025-08.html"}, {"url": "https://gitlab.com/wireshark/wireshark/-/issues/20884", "name": "GitLab Issue #20884", "tags": ["issue-tracking", "permissions-required"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM"}}], "solutions": [{"lang": "en", "value": "Upgrade to version 4.6.2, 4.4.12, or above"}], "providerMetadata": {"orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "shortName": "GitLab", "dateUpdated": "2025-12-03T08:04:54.335Z"}}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "MEGACO dissector infinite loop in Wireshark 4.6.0 to 4.6.1 and 4.4.0 to 4.4.11 allows denial of service"}], "id": "CVE-2025-13946", "lastModified": "2025-12-03T08:15:48.180", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "cve@gitlab.com", "type": "Secondary"}]}, "published": "2025-12-03T08:15:48.180", "references": [{"source": "cve@gitlab.com", "url": "https://gitlab.com/wireshark/wireshark/-/issues/20884"}, {"source": "cve@gitlab.com", "url": "https://www.wireshark.org/security/wnpa-sec-2025-08.html"}], "sourceIdentifier": "cve@gitlab.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-835"}], "source": "cve@gitlab.com", "type": "Primary"}]}

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