{"api_version":"1","generated_at":"2026-07-23T07:17:43+00:00","cve":"CVE-2010-0166","urls":{"html":"https://cve.report/CVE-2010-0166","api":"https://cve.report/api/cve/CVE-2010-0166.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2010-0166","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2010-0166"},"summary":{"title":"CVE-2010-0166","description":"The gfxTextRun::SanitizeGlyphRuns function in gfx/thebes/src/gfxFont.cpp in the browser engine in Mozilla Firefox 3.6 before 3.6.2 on Mac OS X, when the Core Text API is used, does not properly perform certain deletions, which allows remote attackers to cause a denial of service (memory corruption and application crash) and possibly execute arbitrary code via an HTML document containing invisible Unicode characters, as demonstrated by the U+FEFF, U+FFF9, U+FFFA, and U+FFFB characters.","state":"PUBLISHED","assigner":"mitre","published_at":"2010-03-25 21:00:00","updated_at":"2026-04-29 01:13:23"},"problem_types":["CWE-119","n/a"],"metrics":[{"version":"2.0","source":"nvd@nist.gov","type":"Primary","score":"5.1","severity":"","vector":"AV:N/AC:H/Au:N/C:P/I:P/A:P","data":{"version":"2.0","vectorString":"AV:N/AC:H/Au:N/C:P/I:P/A:P","baseScore":5.1,"accessVector":"NETWORK","accessComplexity":"HIGH","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"}}],"references":[{"url":"http://www.mozilla.org/security/announce/2010/mfsa2010-11.html","name":"http://www.mozilla.org/security/announce/2010/mfsa2010-11.html","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"title":"MFSA 2010-11: Crashes with evidence of memory corruption (rv:1.9.2.2/ 1.9.1.8/ 1.9.0.18)","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=538065","name":"https://bugzilla.mozilla.org/show_bug.cgi?id=538065","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"538065 – (CVE-2010-0166) \"ASSERTION: invalid array index\" with glyphruns at YouTube","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14182","name":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14182","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"Repository  /  Oval Repository","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.securityfocus.com/bid/38943","name":"http://www.securityfocus.com/bid/38943","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"Mozilla Firefox 'gfxTextRun::SanitizeGlyphRuns()' Remote Memory Corruption Vulnerability","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"http://www.securityfocus.com/bid/38918","name":"http://www.securityfocus.com/bid/38918","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"RETIRED: Mozilla Firefox Thunderbird and Seamonkey MFSA 2010-09 through -15 Multiple Vulnerabilities","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"http://www.vupen.com/english/advisories/2010/0692","name":"http://www.vupen.com/english/advisories/2010/0692","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"Webmail : Solution de messagerie professionnelle - OVHcloud- OVH","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2010-0166","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2010-0166","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"n/a","product":"n/a","version":"affected n/a","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2010","cve_id":"166","vulnerable":"0","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"apple","cpe5":"mac_os_x","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2010","cve_id":"166","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"firefox","cpe6":"3.6","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2024-08-07T00:37:53.911Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"name":"38918","tags":["vdb-entry","x_refsource_BID","x_transferred"],"url":"http://www.securityfocus.com/bid/38918"},{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=538065"},{"name":"oval:org.mitre.oval:def:14182","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"],"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14182"},{"name":"ADV-2010-0692","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"],"url":"http://www.vupen.com/english/advisories/2010/0692"},{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"http://www.mozilla.org/security/announce/2010/mfsa2010-11.html"},{"name":"38943","tags":["vdb-entry","x_refsource_BID","x_transferred"],"url":"http://www.securityfocus.com/bid/38943"}],"title":"CVE Program Container"}],"cna":{"affected":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"datePublic":"2010-03-23T00:00:00.000Z","descriptions":[{"lang":"en","value":"The gfxTextRun::SanitizeGlyphRuns function in gfx/thebes/src/gfxFont.cpp in the browser engine in Mozilla Firefox 3.6 before 3.6.2 on Mac OS X, when the Core Text API is used, does not properly perform certain deletions, which allows remote attackers to cause a denial of service (memory corruption and application crash) and possibly execute arbitrary code via an HTML document containing invisible Unicode characters, as demonstrated by the U+FEFF, U+FFF9, U+FFFA, and U+FFFB characters."}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2017-09-18T12:57:01.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","shortName":"mitre"},"references":[{"name":"38918","tags":["vdb-entry","x_refsource_BID"],"url":"http://www.securityfocus.com/bid/38918"},{"tags":["x_refsource_CONFIRM"],"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=538065"},{"name":"oval:org.mitre.oval:def:14182","tags":["vdb-entry","signature","x_refsource_OVAL"],"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14182"},{"name":"ADV-2010-0692","tags":["vdb-entry","x_refsource_VUPEN"],"url":"http://www.vupen.com/english/advisories/2010/0692"},{"tags":["x_refsource_CONFIRM"],"url":"http://www.mozilla.org/security/announce/2010/mfsa2010-11.html"},{"name":"38943","tags":["vdb-entry","x_refsource_BID"],"url":"http://www.securityfocus.com/bid/38943"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2010-0166","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"The gfxTextRun::SanitizeGlyphRuns function in gfx/thebes/src/gfxFont.cpp in the browser engine in Mozilla Firefox 3.6 before 3.6.2 on Mac OS X, when the Core Text API is used, does not properly perform certain deletions, which allows remote attackers to cause a denial of service (memory corruption and application crash) and possibly execute arbitrary code via an HTML document containing invisible Unicode characters, as demonstrated by the U+FEFF, U+FFF9, U+FFFA, and U+FFFB characters."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"38918","refsource":"BID","url":"http://www.securityfocus.com/bid/38918"},{"name":"https://bugzilla.mozilla.org/show_bug.cgi?id=538065","refsource":"CONFIRM","url":"https://bugzilla.mozilla.org/show_bug.cgi?id=538065"},{"name":"oval:org.mitre.oval:def:14182","refsource":"OVAL","url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14182"},{"name":"ADV-2010-0692","refsource":"VUPEN","url":"http://www.vupen.com/english/advisories/2010/0692"},{"name":"http://www.mozilla.org/security/announce/2010/mfsa2010-11.html","refsource":"CONFIRM","url":"http://www.mozilla.org/security/announce/2010/mfsa2010-11.html"},{"name":"38943","refsource":"BID","url":"http://www.securityfocus.com/bid/38943"}]}}}},"cveMetadata":{"assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","assignerShortName":"mitre","cveId":"CVE-2010-0166","datePublished":"2010-03-25T20:31:00.000Z","dateReserved":"2010-01-06T00:00:00.000Z","dateUpdated":"2024-08-07T00:37:53.911Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"},"nvd":{"publishedDate":"2010-03-25 21:00:00","lastModifiedDate":"2026-04-29 01:13:23","problem_types":["CWE-119","n/a"],"metrics":{"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:H/Au:N/C:P/I:P/A:P","baseScore":5.1,"accessVector":"NETWORK","accessComplexity":"HIGH","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":4.9,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}]},"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:mozilla:firefox:3.6:*:*:*:*:*:*:*","matchCriteriaId":"F3782354-7EB7-49D2-B240-1871F6CB84C7"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*","matchCriteriaId":"0FF5999A-9D12-4CDD-8DE9-A89C10B2D574"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2010","CveId":"166","Ordinal":"1","Title":"CVE-2010-0166","CVE":"CVE-2010-0166","Year":"2010"},"notes":[{"CveYear":"2010","CveId":"166","Ordinal":"1","NoteData":"The gfxTextRun::SanitizeGlyphRuns function in gfx/thebes/src/gfxFont.cpp in the browser engine in Mozilla Firefox 3.6 before 3.6.2 on Mac OS X, when the Core Text API is used, does not properly perform certain deletions, which allows remote attackers to cause a denial of service (memory corruption and application crash) and possibly execute arbitrary code via an HTML document containing invisible Unicode characters, as demonstrated by the U+FEFF, U+FFF9, U+FFFA, and U+FFFB characters.","Type":"Description","Title":"CVE-2010-0166"},{"CveYear":"2010","CveId":"166","Ordinal":"2","NoteData":"2010-03-25","Type":"Other","Title":"Published"},{"CveYear":"2010","CveId":"166","Ordinal":"3","NoteData":"2017-09-18","Type":"Other","Title":"Modified"}]}}}