CVE-2025-7019
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Summary
Stack overflow vulnerability in Avast Antivirus when scanning a malformed Office Open XML 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 25020100.
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Gen Digital | Avast Antivirus | 0 < 25020100 | affected |
| Gen Digital | AVG Antivirus | 0 < 25020100 | affected |
| Gen Digital | Norton Antivirus | 0 < 25020100 | affected |
| Gen Digital | Avast One | 0 < 25020100 | affected |
| Gen Digital | Avast Business Antivirus | 0 < 25020100 | affected |
Weaknesses
- CWE-121: CWE-121 Stack-based Buffer Overflow
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
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