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Vulnerability record · CVE-2025-9033 · published 12 June 2026

CVE-2025-9033: Out-of-bounds read vulnerability

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.

7.8 CVSS 3.1 High EPSS 0.12% · top 98.3% CWE-125 · Out-of-bounds read Deferred
7.8CVSS 3.1 base score
0.12%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
23 Jul 2026Last modified by NVD

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 8.3.70.76.

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

References

LinkTags
https://www.gendigital.com/us/en/contact-us/security-advisories/

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-9033), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.