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HIGH

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

Published Jun 12, 2026

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.

Affected products

Remediation

Vendor solution

Upgrade to Avira scan engine build 8.3.70.56 or any later engine release. Builds at or above 8.3.70.56 include the fix.

References (2)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner GEN
Published Jun 12, 2026
Updated Jun 15, 2026
Reserved Jul 2, 2025
CISA Vulnrichment
Updated Jun 15, 2026
NVD
Status Deferred
Modified Oct 7, 2026
Red Hat
Severity n/a
Public date n/a
ENISA EUVD
Assigner GEN
Published Jun 12, 2026
Updated Jun 15, 2026
Exploited since n/a
EUVD-2025-210123