← Vulnerability feed

Vulnerability record · CVE-2007-1672 · published 9 May 2007

CVE-2007-1672: Avast antivirus vulnerability

Avast · Avast Antivirus

avast! antivirus before 4.7.981 allows remote attackers to cause a denial of service (infinite loop) via a ZOO archive with a direntry structure that points to a previous file.

7.8 CVSS 2.0 High EPSS 3.2% · top 12.4%
7.8CVSS 2.0 base score
3.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
14References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

avast! antivirus before 4.7.981 allows remote attackers to cause a denial of service (infinite loop) via a ZOO archive with a direntry structure that points to a previous file.

AV:N/AC:L/Au:N/C:N/I:N/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://osvdb.org/35794
http://secunia.com/advisories/25137 Vendor Advisory
http://securityreason.com/securityalert/2680
http://www.securityfocus.com/archive/1/467646/100/0/threaded
http://www.securityfocus.com/bid/23823 Exploit
http://www.vupen.com/english/advisories/2007/1701
https://exchange.xforce.ibmcloud.com/vulnerabilities/34080
http://osvdb.org/35794
http://secunia.com/advisories/25137 Vendor Advisory
http://securityreason.com/securityalert/2680
http://www.securityfocus.com/archive/1/467646/100/0/threaded
http://www.securityfocus.com/bid/23823 Exploit
http://www.vupen.com/english/advisories/2007/1701
https://exchange.xforce.ibmcloud.com/vulnerabilities/34080

Track CVE-2007-1672 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.3CVE-2008-5523Avast antivirus improper input validation vulnerabilityavast! antivirus 4.8.1281.0, when Internet Explorer 6 or 7 is used, allows remote attackers to bypass detection of malware in an HTML document by pla…EPSS 2.9%9.3CVE-2007-2845Avast antivirus vulnerabilityHeap-based buffer overflow in the CAB unpacker in avast! Anti-Virus Managed Client before 4.7.700 allows user-assisted remote attackers to execute ar…EPSS 6.3%7.8CVE-2007-1673Amavis vulnerabilityunzoo.c, as used in multiple products including AMaViS 2.4.1 and earlier, allows remote attackers to cause a denial of service (infinite loop) via a …EPSS 3.2%6.8CVE-2008-6846Avast antivirus memory buffer overflow vulnerabilityMultiple stack-based buffer overflows in avast! Linux Home Edition 1.0.5, 1.0.5-1, and 1.0.8 allow remote attackers to cause a denial of service (app…EPSS 3.7%6.4CVE-2015-5662Avast antivirus path traversal vulnerabilityDirectory traversal vulnerability in Avast before 150918-0 allows remote attackers to delete or write to arbitrary files via a crafted entry in a ZIP…EPSS 3.0%

Source: NIST National Vulnerability Database (record CVE-2007-1672), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.