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CVE-2007-1672

21
FAUCET Score

CVE-2007-1672 describes a denial-of-service vulnerability affecting avast! antivirus versions prior to 4.7.981. Remote attackers can trigger an infinite loop by providing a specially crafted ZOO archive containing a direntry structure that references a previous file. This vulnerability has a CVSS score of 7.8 (High), indicating it can be exploited remotely with low complexity to achieve a complete denial of service. There is no public exploit code available, no evidence of active exploitation, and minimal community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.7.980CPE matchmatch criteria
cpe:2.3:a:avast:avast_antivirus:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.8HIGH

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.18%
Probability of exploitation in next 30 days
EPSS Percentile
86.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0318 is in the 76th percentile among its peer group of 51,506 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

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