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PatchSiren cyber security CVE debrief

CVE-2025-7006 Gen Digital CVE debrief

A use of stack memory after free vulnerability in Avast Antivirus may allow Denial-of-Service of the antivirus process when scanning a malformed Windows PE file. 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.

Vendor
Gen Digital
Product
Avast Antivirus
CVSS
MEDIUM 5.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-12
Original CVE updated
2026-06-15
Advisory published
2026-06-12
Advisory updated
2026-06-15

Who should care

Users of Avast Antivirus, AVG Antivirus, Norton Antivirus, Avast One, and Avast Business Antivirus on Windows, macOS, and Linux with virus definition builds before VPS 25022500.

Technical summary

The vulnerability is caused by a use of stack memory after free issue in the scanning logic of Avast Antivirus when handling malformed Windows PE files. The affected scanning logic is delivered through a shared Gen Digital virus definition update stream.

Defensive priority

MEDIUM

Recommended defensive actions

  • Update virus definitions to VPS 25022500 or later.
  • Ensure installations are at or above the listed build to mitigate the vulnerability.

Evidence notes

The CVE-2025-7006 vulnerability has a CVSS score of 5.5 and is classified as MEDIUM severity. The vulnerability affects multiple products from Gen Digital, including Avast Antivirus, AVG Antivirus, Norton Antivirus, Avast One, and Avast Business Antivirus.

Sources and references

Verified primary and authoritative sources

  • CVE-2025-7006 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2025-7006

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2025-7006 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2025-7006

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.