CVE-2025-9033
HighCVSS 7.8Exploitation Probability (EPSS)
Low risk2th percentile - higher than 2% of all known CVEs
Summary
CVE-2025-9033 describes a heap buffer out-of-bounds read vulnerability in the Avira Antivirus engine that may occur when scanning a malformed PDF file. This may allow local execution of code or denial-of-service of the antivirus engine process.
Risk Assessment
Organizations may be exposed to local code execution or denial-of-service of the antivirus engine, potentially leading to a loss of protection against threats.
Recommendation
It is recommended to update the Avira Antivirus engine to version 8.3.70.76 or later to mitigate the risk associated with this vulnerability.
Original NVD description (English source)
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 8.3.70.76.