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A heap-based buffer overflow exists in the ActiveX control (OScan8.ocx and Oscan81.ocx) used by BitDefender Online Anti-Virus Scanner 8.0. The vulnerability is triggered by passing a long argument to the InitX method that begins with a '%%' sequence. This input is misinterpreted as a Unicode string and decoded twice, resulting in improper memory allocation and a heap-based buffer overflow, which can be exploited to execute arbitrary code in the context of the user running the control.
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What an attacker gets, and what they’ve been doing with it.
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No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
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No public activity observed for this vulnerability.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
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