{"id":"CVE-2011-1003","url":"https://www.cyber-defence.io/tools/cve/CVE-2011-1003","generatedAt":"2026-10-27T18:46:29.795Z","title":"Double free vulnerability in the vba_read_project_strings function in vba_extract.c in libclamav in ClamAV before 0.97 might allow remote attackers to execute arbitrary code via crafted Visual Basic for Applications (VBA) data in a Microsoft Office…","description":"Double free vulnerability in the vba_read_project_strings function in vba_extract.c in libclamav in ClamAV before 0.97 might allow remote attackers to execute arbitrary code via crafted Visual Basic for Applications (VBA) data in a Microsoft Office document.  NOTE: some of these details are obtained from third party information.","published":"2011-02-23T19:00:02.000Z","lastModified":"2026-06-16T23:28:32.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"2.0","score":6.8,"severity":"MEDIUM","vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P"},"cwe":["CWE-399"],"affected":["clamav/clamav"],"epss":{"score":0.04215,"percentile":0.90918,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (4.21%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://git.clamav.net/gitweb?p=clamav-devel.git%3Ba=blob%3Bf=ChangeLog%3Bhb=clamav-0.97","source":"secalert@redhat.com"},{"url":"http://git.clamav.net/gitweb?p=clamav-devel.git%3Ba=commit%3Bh=d21fb8d975f8c9688894a8cef4d50d977022e09f","source":"secalert@redhat.com"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055771.html","source":"secalert@redhat.com"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055777.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html","source":"secalert@redhat.com"},{"url":"http://openwall.com/lists/oss-security/2011/02/21/1","source":"secalert@redhat.com"},{"url":"http://openwall.com/lists/oss-security/2011/02/21/4","source":"secalert@redhat.com"},{"url":"http://osvdb.org/70937","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/43392","tags":["Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/43498","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/43752","source":"secalert@redhat.com"},{"url":"http://securitytracker.com/id?1025100","source":"secalert@redhat.com"},{"url":"http://www.mandriva.com/en/support/security/advisories/?name=MDVA-2011:007","source":"secalert@redhat.com"},{"url":"http://www.securityfocus.com/bid/46470","source":"secalert@redhat.com"},{"url":"http://www.ubuntu.com/usn/USN-1076-1","source":"secalert@redhat.com"},{"url":"http://www.vupen.com/english/advisories/2011/0453","tags":["Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://www.vupen.com/english/advisories/2011/0458","tags":["Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://www.vupen.com/english/advisories/2011/0523","source":"secalert@redhat.com"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/65544","source":"secalert@redhat.com"},{"url":"https://wwws.clamav.net/bugzilla/show_bug.cgi?id=2486","source":"secalert@redhat.com"},{"url":"http://git.clamav.net/gitweb?p=clamav-devel.git%3Ba=blob%3Bf=ChangeLog%3Bhb=clamav-0.97","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://git.clamav.net/gitweb?p=clamav-devel.git%3Ba=commit%3Bh=d21fb8d975f8c9688894a8cef4d50d977022e09f","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055771.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055777.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://openwall.com/lists/oss-security/2011/02/21/1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://openwall.com/lists/oss-security/2011/02/21/4","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://osvdb.org/70937","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/43392","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/43498","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/43752","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://securitytracker.com/id?1025100","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.mandriva.com/en/support/security/advisories/?name=MDVA-2011:007","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/46470","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-1076-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.vupen.com/english/advisories/2011/0453","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.vupen.com/english/advisories/2011/0458","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.vupen.com/english/advisories/2011/0523","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/65544","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://wwws.clamav.net/bugzilla/show_bug.cgi?id=2486","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2011-1003","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}