{"id":"CVE-2007-1749","aliases":["EUVD-2007-1743","GHSA-q69v-fxm4-rmj3"],"status":"published","title":"Integer underflow in the CDownloadSink class code in the Vector Markup Language (VML) component ...","description":"Integer underflow in the CDownloadSink class code in the Vector Markup Language (VML) component (VGX.DLL), as used in Internet Explorer 5.01, 6, and 7 allows remote attackers to execute arbitrary code via compressed content with an invalid buffer size, which triggers a heap-based buffer overflow.","severity":{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.41547,"percentile":0.98689,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"2007-08-14T22:00:00Z","modified":"2026-06-16T22:38:13Z","exploits":[{"source":"exploitdb","id":"EDB-30494","title":"Microsoft Internet Explorer 5.0.1 - Vector Markup Language 'VGX.dll' Remote Buffer Overflow","type":"dos","platform":"windows","date":"2007-08-14","verified":true,"url":"https://www.exploit-db.com/exploits/30494"}],"products":[{"vendor":"microsoft","product":"internet_explorer"}],"references":[{"url":"http://www.securityfocus.com/bid/25310","tags":["vdb-entry","x_refsource_BID","x_transferred","Patch"]},{"url":"http://secunia.com/advisories/26409","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Patch","Vendor Advisory"]},{"url":"http://research.eeye.com/html/advisories/published/AD20070814a.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.us-cert.gov/cas/techalerts/TA07-226A.html","tags":["third-party-advisory","x_refsource_CERT","x_transferred","US Government Resource"]},{"url":"http://www.securitytracker.com/id?1018568","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-050","tags":["vendor-advisory","x_refsource_MS","x_transferred"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1784","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2007/2874","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"http://securityreason.com/securityalert/3020","tags":["third-party-advisory","x_refsource_SREASON","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/476498/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.kb.cert.org/vuls/id/468800","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-1749"},{"url":"https://github.com/advisories/GHSA-q69v-fxm4-rmj3"}],"sources":{"cve":[{"id":"CVE-2007-1749","description":"Integer underflow in the CDownloadSink class code in the Vector Markup Language (VML) component (VGX.DLL), as used in Internet Explorer 5.01, 6, and 7 allows remote attackers to execute arbitrary code via compressed content with an invalid buffer size, which triggers a heap-based buffer overflow.","status":"published","published":"2007-08-14T22:00:00Z","modified":"2024-08-07T13:06:26.244Z","updated_at":"2026-11-02T13:33:41.472948Z"}],"euvd":[{"id":"EUVD-2007-1743","description":"Integer underflow in the CDownloadSink class code in the Vector Markup Language (VML) component (VGX.DLL), as used in Internet Explorer 5.01, 6, and 7 allows remote attackers to execute arbitrary code via compressed content with an invalid buffer size, which triggers a heap-based buffer overflow.","status":"published","published":"2007-08-14T22:00:00Z","modified":"2024-08-07T13:06:26Z","updated_at":"2026-11-03T01:38:24.288842Z"}],"ghsa":[{"id":"GHSA-q69v-fxm4-rmj3","title":"Integer underflow in the CDownloadSink class code in the Vector Markup Language (VML) component ...","description":"Integer underflow in the CDownloadSink class code in the Vector Markup Language (VML) component (VGX.DLL), as used in Internet Explorer 5.01, 6, and 7 allows remote attackers to execute arbitrary code via compressed content with an invalid buffer size, which triggers a heap-based buffer overflow.","status":"published","published":"2022-05-01T17:56:43Z","modified":"2023-01-31T05:03:27Z","updated_at":"2026-11-02T14:48:28.34171Z"}],"nvd":[{"id":"CVE-2007-1749","description":"Integer underflow in the CDownloadSink class code in the Vector Markup Language (VML) component (VGX.DLL), as used in Internet Explorer 5.01, 6, and 7 allows remote attackers to execute arbitrary code via compressed content with an invalid buffer size, which triggers a heap-based buffer overflow.","status":"published","published":"2007-08-14T22:17:00Z","modified":"2026-06-16T22:38:13.867Z","cvss":[{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:01:19.102336Z"}]}}