CVE-2007-1997

critical

Description

Integer signedness error in the (1) cab_unstore and (2) cab_extract functions in libclamav/cab.c in Clam AntiVirus (ClamAV) before 0.90.2 allow remote attackers to execute arbitrary code via a crafted CHM file that contains a negative integer, which passes a signed comparison and leads to a stack-based buffer overflow.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/33637

https://euvd.enisa.europa.eu/vulnerability/EUVD-2007-1991

http://www.vupen.com/english/advisories/2008/0924/references

http://www.vupen.com/english/advisories/2007/1378

http://www.trustix.org/errata/2007/0013/

http://www.securitytracker.com/id?1017921

http://www.securityfocus.com/bid/23473

http://www.novell.com/linux/security/advisories/2007_26_clamav.html

http://www.mandriva.com/security/advisories?name=MDKSA-2007:098

http://www.debian.org/security/2007/dsa-1281

http://support.novell.com/techcenter/psdb/50a5cb718f20761dd7e0b6b4e0935c52.html

http://sourceforge.net/project/shownotes.php?release_id=500765

http://security.gentoo.org/glsa/glsa-200704-21.xml

http://secunia.com/advisories/29420

http://secunia.com/advisories/25189

http://secunia.com/advisories/25028

http://secunia.com/advisories/25022

http://secunia.com/advisories/24996

http://secunia.com/advisories/24946

http://secunia.com/advisories/24920

http://secunia.com/advisories/24891

http://lists.apple.com/archives/security-announce/2008/Mar/msg00001.html

http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=513

http://docs.info.apple.com/article.html?artnum=307562

Details

Source: Mitre, NVD

Published: 2007-04-16

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 7.5

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

Severity: High

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: 0.10821