5.5

CVE-2025-7006

Avast antivirus use of stack memory after free when scanning a malformed PE file

Use of stack memory after free vulnerability in Avast Antivirus when scanning a malformed Windows PE 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 25022500.



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.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerGen Digital
≫
Produkt Avast Antivirus
Default Statusaffected
Version 0
Version < 25022500
Status affected
HerstellerGen Digital
≫
Produkt AVG Antivirus
Default Statusaffected
Version 0
Version < 25022500
Status affected
HerstellerGen Digital
≫
Produkt Norton Antivirus
Default Statusaffected
Version 0
Version < 25022500
Status affected
HerstellerGen Digital
≫
Produkt Avast One
Default Statusaffected
Version 0
Version < 25022500
Status affected
HerstellerGen Digital
≫
Produkt Avast Business Antivirus
Default Statusaffected
Version 0
Version < 25022500
Status affected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.11% 0.016
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
security@nortonlifelock.com 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE-590 Free of Memory not on the Heap

The product calls free() on a pointer to memory that was not allocated using associated heap allocation functions such as malloc(), calloc(), or realloc().

https://www.gendigital.com/us/en/contact-us/security-advisories/