Description
Buffer Overflow vulnerability in Avast AntiVirus before v.19.7 allows a local attacker to cause a denial of service via a crafted request to the aswSnx.sys driver.
References (2)
Core 2
Core References
Vendor Advisory
http://avast.com
Patch, Third Party Advisory
https://gitlab.com/yongchuank/avast-aswsnx-ioctl-82ac0060-oob-write
Scores
CVSS v3
5.5
EPSS
0.0003
EPSS Percentile
9.1%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-120
Status
published
Products (1)
avast/antivirus
< 19.7
Published
Jul 11, 2023
Tracked Since
Feb 18, 2026