CVE-2019-11703

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{"affected": [{"affectedData": [{"product": "Thunderbird", "vendor": "Mozilla", "versions": [{"lessThan": "60.7.1", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "security@mozilla.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*", "matchCriteriaId": "6F7DA1F2-2354-46B8-B49F-0DF9EEF5A74B", "versionEndExcluding": "60.7.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw in Thunderbird's implementation of iCal causes a heap buffer overflow in parser_get_next_char when processing certain email messages, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.7.1."}, {"lang": "es", "value": "Una fallo en la implementaci\u00f3n de iCunder en Thunderbird provoca un desbordamiento del b\u00fafer del mont\u00f3n en parser_get_next_char cuando se procesan ciertos mensajes de correo electr\u00f3nico, lo que resulta en una fallo potencialmente explotable. Esta vulnerabilidad afecta a Thunderbird anterior a la versi\u00f3n 60.7.1."}], "id": "CVE-2019-11703", "lastModified": "2026-06-17T02:13:27.620", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-07-23T14:15:14.950", "references": [{"source": "security@mozilla.org", "tags": ["Exploit", "Issue Tracking", "Vendor Advisory"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1553820"}, {"source": "security@mozilla.org", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/201908-20"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2019-17/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Vendor Advisory"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1553820"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/201908-20"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2019-17/"}], "sourceIdentifier": "security@mozilla.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2019:1624", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "thunderbird-0:60.7.2-2.el6_10", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2019-06-27T00:00:00Z"}, {"advisory": "RHSA-2019:1626", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "thunderbird-0:60.7.2-2.el7_6", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2019-06-27T00:00:00Z"}, {"advisory": "RHSA-2019:1623", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "thunderbird-0:60.7.2-2.el8_0", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2019-06-27T00:00:00Z"}], "bugzilla": {"description": "libical: Heap buffer over read in icalparser.c parser_get_next_char", "id": "1720001", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1720001"}, "csaw": false, "cvss3": {"cvss3_base_score": "9.8", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-122", "details": ["A flaw in Thunderbird's implementation of iCal causes a heap buffer overflow in parser_get_next_char when processing certain email messages, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.7.1."], "mitigation": {"lang": "en:us", "value": "Thunderbird can be configured to use icaljs instead of libical by setting `calendar.icaljs = true` in preferences, mitigating this vulnerability."}, "name": "CVE-2019-11703", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "libical", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "libical", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "libical", "product_name": "Red Hat Enterprise Linux 8"}], "public_date": "2019-06-13T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2019-11703\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-11703\nhttps://www.mozilla.org/en-US/security/advisories/mfsa2019-17/"], "threat_severity": "Moderate"}

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