CVE-2011-1003

critical

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.

References

https://wwws.clamav.net/bugzilla/show_bug.cgi?id=2486

https://exchange.xforce.ibmcloud.com/vulnerabilities/65544

https://euvd.enisa.europa.eu/vulnerability/EUVD-2011-1020

http://www.vupen.com/english/advisories/2011/0523

http://www.vupen.com/english/advisories/2011/0458

http://www.vupen.com/english/advisories/2011/0453

http://www.ubuntu.com/usn/USN-1076-1

http://www.securityfocus.com/bid/46470

http://www.mandriva.com/en/support/security/advisories/?name=MDVA-2011:007

http://securitytracker.com/id?1025100

http://secunia.com/advisories/43752

http://secunia.com/advisories/43498

http://secunia.com/advisories/43392

http://osvdb.org/70937

http://openwall.com/lists/oss-security/2011/02/21/4

http://openwall.com/lists/oss-security/2011/02/21/1

http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html

http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055777.html

http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055771.html

http://git.clamav.net/gitweb?p=clamav-devel.git%3Ba=commit%3Bh=d21fb8d975f8c9688894a8cef4d50d977022e09f

http://git.clamav.net/gitweb?p=clamav-devel.git%3Ba=blob%3Bf=ChangeLog%3Bhb=clamav-0.97

Details

Source: Mitre, NVD

Published: 2011-02-23

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.04215