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PatchSiren cyber security CVE debrief

CVE-2025-7018 Gen Digital CVE debrief

A Null pointer dereference vulnerability was discovered in the Avira Antivirus engine when scanning a malformed Windows PE file. This issue may allow a Denial-of-Service (DoS) of the antivirus engine process. The vulnerability affects Avira Antivirus on Windows, macOS, and Linux for engine builds before 8.3.70.64.

Vendor
Gen Digital
Product
Avira 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 Avira Antivirus on Windows, macOS, and Linux, particularly those with engine builds before 8.3.70.64, should be aware of this vulnerability and take necessary actions to mitigate the risk.

Technical summary

The vulnerability has a CVSS score of 5.5 and a severity rating of MEDIUM. It is characterized as a CWE-476 vulnerability.

Defensive priority

MEDIUM

Recommended defensive actions

  • Update the Avira Antivirus engine to build 8.3.70.64 or later.
  • Ensure that the antivirus software is properly configured and maintained.

Evidence notes

The CVE record was published on June 12, 2026, and has not been modified since then. The vulnerability was reported by an unknown vendor, potentially Gendigital, based on the provided evidence.

Sources and references

Verified primary and authoritative sources

  • CVE-2025-7018 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2025-7018

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

  • CVE-2025-7018 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2025-7018

    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.