CVE-2025-7003: CWE-125 Out-of-bounds Read in Gen Digital Avira Antivirus
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.
AI Analysis
Technical Summary
This vulnerability (CWE-125) involves a heap buffer out-of-bounds read in the Avira Antivirus engine triggered by scanning specially crafted malformed PDF files. Successful exploitation could allow an attacker with local access to execute arbitrary code or disrupt the antivirus engine via denial-of-service. The issue affects engine builds before 8.3.70.56 across Windows, macOS, and Linux. No vendor advisory or patch information is currently available, and no known exploits are reported in the wild.
Potential Impact
The vulnerability can lead to local code execution or denial-of-service of the antivirus engine process, potentially compromising system security or availability. The impact is rated high due to the ability to execute code with local privileges and disrupt antivirus functionality.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, avoid scanning untrusted or malformed PDF files locally and monitor for vendor updates regarding a patch.
CVE-2025-7003: CWE-125 Out-of-bounds Read in Gen Digital Avira Antivirus
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.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-125) involves a heap buffer out-of-bounds read in the Avira Antivirus engine triggered by scanning specially crafted malformed PDF files. Successful exploitation could allow an attacker with local access to execute arbitrary code or disrupt the antivirus engine via denial-of-service. The issue affects engine builds before 8.3.70.56 across Windows, macOS, and Linux. No vendor advisory or patch information is currently available, and no known exploits are reported in the wild.
Potential Impact
The vulnerability can lead to local code execution or denial-of-service of the antivirus engine process, potentially compromising system security or availability. The impact is rated high due to the ability to execute code with local privileges and disrupt antivirus functionality.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, avoid scanning untrusted or malformed PDF files locally and monitor for vendor updates regarding a patch.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GEN
- Date Reserved
- 2025-07-02T07:39:58.345Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a2c871ae617e2d834ccce10
Added to database: 6/12/2026, 10:24:26 PM
Last enriched: 6/12/2026, 10:39:42 PM
Last updated: 6/15/2026, 8:58:52 AM
Views: 16
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