CVE-2025-7003 - CVE House
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Status published High CVE-2025-7003

Avira antivirus engine heap buffer OOB read when scanning a malformed PDF file (variant 1)

Vulnerability Description

Heap buffer out-of-bounds read vulnerability in Avira Antivirus engine when scanning a malformed PDF file may allow Local Execution of Code or Denial-of-Service of the antivirus engine process. This issue affects Avira Antivirus on Windows, macOS, and Linux for engine builds before 8.3.70.56.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Mike Zhang, an independent security researcher

Affected Vendor

Gen Digital

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Affected Software

Avira Antivirus
Vulnerable Versions:
0

Timeline

Official Publish: June 12th, 2026
Last Modified: June 15th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weaknesses (CWE)