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PatchSiren cyber security CVE debrief

CVE-2025-7008 Gen Digital CVE debrief

A heap buffer out-of-bounds read vulnerability exists in Avast Antivirus when scanning a malformed Windows PE file with .NET metadata. This vulnerability, tracked as CVE-2025-7008, may allow for Local Execution of Code or Denial-of-Service of the antivirus process. The issue affects multiple products, including Avast Antivirus, AVG Antivirus, Norton Antivirus, Avast One, and Avast Business Antivirus, across Windows, macOS, and Linux platforms, for virus definition builds before VPS 25021310.

Vendor
Gen Digital
Product
Avast Antivirus
CVSS
HIGH 7.8
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 are affected if their virus definition builds are before VPS 25021310.

Technical summary

The vulnerability is caused by a heap buffer out-of-bounds read when scanning a malformed Windows PE file with .NET metadata. This issue is delivered through a shared Gen Digital virus definition update stream, which feeds multiple consumer antivirus products and other Gen Digital products embedding the same engine.

Defensive priority

HIGH

Recommended defensive actions

  • Update virus definitions to VPS 25021310 or later to mitigate this vulnerability.
  • Ensure all installations are at or above the listed build to prevent exploitation.

Evidence notes

The CVE-2025-7008 record and details were obtained from the official CVE and NVD sources.

Sources and references

Verified primary and authoritative sources

  • CVE-2025-7008 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2025-7008

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

  • CVE-2025-7008 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2025-7008

    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.