PT-2026-49048 · Avira · Avira Antivir

CVE-2025-9033

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Published

2026-06-12

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Updated

2026-06-13

CVSS v3.1

7.8

High

VectorAV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Avira Antivirus versions prior to 8.3.70.76
Description A heap buffer out-of-bounds read occurs in the antivirus engine when scanning a malformed PDF file. This issue may lead to local execution of code or a denial-of-service of the engine process. A heap buffer out-of-bounds read is a memory access error where the system reads data past the end of the allocated buffer in the heap memory.
Recommendations Update to version 8.3.70.76 or later.

Fix

DoS

Out of bounds Read

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Weakness Enumeration

Related Identifiers

CVE-2025-9033

Affected Products

Avira Antivir