{"id":"CVE-2007-2846","aliases":["EUVD-2007-2838","GHSA-pxp4-5rm6-xqjp"],"status":"published","title":"Heap-based buffer overflow in the SIS unpacker in avast! Anti-Virus Managed Client before 4.7.700...","description":"Heap-based buffer overflow in the SIS unpacker in avast! Anti-Virus Managed Client before 4.7.700 allows user-assisted remote attackers to execute arbitrary code via a crafted SIS archive, resulting from an \"integer cast around.\"","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":0.07738,"percentile":0.94664,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2007-05-24T18:00:00Z","modified":"2026-06-16T22:40:32Z","products":[{"vendor":"avas\\!t","product":"avast\\!_antivirus"},{"vendor":"avast\\!","product":"avast\\!_antivirus"}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/34501","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.securityfocus.com/bid/24155","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.avast.com/eng/adnm-management-client-revision-history.html","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://marc.info/?l=full-disclosure\u0026m=118007660813710\u0026w=2","tags":["mailing-list","x_refsource_FULLDISC","x_transferred"]},{"url":"http://www.kb.cert.org/vuls/id/125868","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","US Government Resource"]},{"url":"http://osvdb.org/36522","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/469585/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.nruns.com/advisories/%5Bn.runs-SA-2007.009%5D%20-%20Avast%21%20Antivirus%20SIS%20parsing%20Arbitrary%20Code%20Execution%20Advisory.txt","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2007/1935","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-2846"},{"url":"http://www.nruns.com/advisories/%5Bn.runs-SA-2007.009%5D%20-%20Avast!%20Antivirus%20SIS%20parsing%20Arbitrary%20Code%20Execution%20Advisory.txt"},{"url":"https://github.com/advisories/GHSA-pxp4-5rm6-xqjp"}],"sources":{"cve":[{"id":"CVE-2007-2846","description":"Heap-based buffer overflow in the SIS unpacker in avast! Anti-Virus Managed Client before 4.7.700 allows user-assisted remote attackers to execute arbitrary code via a crafted SIS archive, resulting from an \"integer cast around.\"","status":"published","published":"2007-05-24T18:00:00Z","modified":"2024-08-07T13:57:53.375Z","updated_at":"2026-11-02T13:32:23.14582Z"}],"euvd":[{"id":"EUVD-2007-2838","description":"Heap-based buffer overflow in the SIS unpacker in avast! Anti-Virus Managed Client before 4.7.700 allows user-assisted remote attackers to execute arbitrary code via a crafted SIS archive, resulting from an \"integer cast around.\"","status":"published","published":"2007-05-24T18:00:00Z","modified":"2024-08-07T13:57:53Z","updated_at":"2026-11-03T01:38:19.088083Z"}],"ghsa":[{"id":"GHSA-pxp4-5rm6-xqjp","title":"Heap-based buffer overflow in the SIS unpacker in avast! Anti-Virus Managed Client before 4.7.700...","description":"Heap-based buffer overflow in the SIS unpacker in avast! Anti-Virus Managed Client before 4.7.700 allows user-assisted remote attackers to execute arbitrary code via a crafted SIS archive, resulting from an \"integer cast around.\"","status":"published","published":"2022-05-01T18:07:44Z","modified":"2025-04-09T03:43:01Z","cwes":["CWE-119"],"updated_at":"2026-11-02T15:00:53.859901Z"}],"nvd":[{"id":"CVE-2007-2846","description":"Heap-based buffer overflow in the SIS unpacker in avast! Anti-Virus Managed Client before 4.7.700 allows user-assisted remote attackers to execute arbitrary code via a crafted SIS archive, resulting from an \"integer cast around.\"","status":"published","published":"2007-05-24T18:30:00Z","modified":"2026-06-16T22:40:32.98Z","cvss":[{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:01:16.479378Z"}]}}