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Vulnerability record · CVE-2016-3986 · published 12 April 2016

CVE-2016-3986: Avast memory buffer overflow vulnerability

Avast · Avast

Avast allows remote attackers to cause a denial of service (memory corruption) and possibly execute arbitrary code via a crafted PE file, related to authenticode parsing.

7.8 CVSS 3.0 High EPSS 7.9% · top 5.5% CWE-119 · Memory buffer overflow
7.8CVSS 3.0 base score, v2 9.3
7.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

Avast allows remote attackers to cause a denial of service (memory corruption) and possibly execute arbitrary code via a crafted PE file, related to authenticode parsing.

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

Affected products

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

References

LinkTags
http://packetstormsecurity.com/files/136090/Avast-Authenticode-Parsing-Memory-Corruption.html Exploit
https://code.google.com/p/google-security-research/issues/detail?id=668
https://www.exploit-db.com/exploits/39530/ Exploit
http://packetstormsecurity.com/files/136090/Avast-Authenticode-Parsing-Memory-Corruption.html Exploit
https://code.google.com/p/google-security-research/issues/detail?id=668
https://www.exploit-db.com/exploits/39530/ Exploit

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

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Source: NIST National Vulnerability Database (record CVE-2016-3986), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.