CVE-2025-7010

MEDIUM

Avast antivirus stack overflow when scanning a malformed PDF file

Title source: cna
STIX 2.1

Description

Stack overflow vulnerability due to uncontrolled recursion in Avast Antivirus when scanning a malformed PDF file may allow Denial-of-Service of the antivirus process. This issue affects Avast Antivirus, AVG Antivirus, Norton Antivirus, Avast One, and Avast Business Antivirus on Windows, macOS, and Linux for virus definition builds before VPS 25021208. The affected scanning logic is delivered through a shared Gen Digital virus definition update stream. The same stream feeds the consumer antivirus products listed in this advisory and other Gen Digital products that embed the same engine. Mitigation flows through this update channel; installations at or above the listed build are not vulnerable regardless of which product consumes the stream.

Scores

CVSS v3 5.5
EPSS 0.0011
EPSS Percentile 1.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-674
Status published
Products (5)
Gen Digital/Avast Antivirus < 25021208
Gen Digital/Avast Business Antivirus < 25021208
Gen Digital/Avast One < 25021208
Gen Digital/AVG Antivirus < 25021208
Gen Digital/Norton Antivirus < 25021208
Published Jun 12, 2026
Tracked Since Jun 13, 2026